(gdb) +thread apply all bt full

Thread 50 (LWP 25053):
+bt full
#0  0x000000340cc0ec0d in fsync () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000986ae8 in my_sync (fd=87, my_flags=48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/mysys/my_sync.c:76
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xda7449 "my_sync_dir", 
          file = 0xda73e0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/mysys/my_sync.c", 
          level = 2147483663, 
          prev = 0x7f5e8a5ce330
        }
#2  0x0000000000986d4a in my_sync_dir (dir_name=<optimized out>, my_flags=16) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/mysys/my_sync.c:146
        dir_fd = 87
        res = 0
        correct_dir_name = <optimized out>
        _db_stack_frame_ = {
          func = 0xd0cb41 "mysql_create_frm", 
          file = 0xd0c988 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/unireg.cc", 
          level = 2147483662, 
          prev = 0x7f5e8a5cece0
        }
#3  0x0000000000986e07 in my_sync_dir_by_file (file_name=<optimized out>, my_flags=16) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/mysys/my_sync.c:186
        dir_name =           "./transforms/\000\000\000\260\343\\\212^\177\000\000\370\264\306\000\000\000\000\000\000\344\\\212^\177\000\000\024\000\000\000\000\000\000\000\000\344\\\212^\177\000\000\350\271\306\000\000\000\000\000\001\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\360\343\\\212^\177\000\000\004\000\000\000\000\000\000\000\065\000\000\000\000\000\000\000@\356\001P^\177\000\000\065\000\000\000\000\000\000\000\033\000\000\000\000\000\000\000\000\345\\\212^\177\000\000\376\200\230\000\000\000\000\000\024v\332\000\000\000\000\000Fn\230\000\000\000\000\000\032t\332\000\000\000\000\000Fn\230\000\000\000\000\000P\344\\\212^\177\000\000\370\264\306\000\000\000\000\000\240\344\\\212^\177\000\000\032t\332\000\000\000\000\000\260\344\\\212^\177\000\000\264\302\306\000\000\000\000\000\071\000\000\000\000\000\000\000Fn\230\000\000\000\000\000P\345\\\212^\177\000\000Fn\230\000\000\000\000\000\240\344\\\212^\177\000\000P\345\\\212^\177\000\000\000\000\000\000\000\000\000\000\033\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\250\061A\001\000\000\000\000\240\345\\\212^\177\000\000ek\230\000\000\000\000\000\000\000\000\000\033", '\000' <repeats 11 times>, "\341l\332\000\000\000\000\000Fn\230\000\000\000\000\000\000\345\\\212^\177\000\000\370\264\306\000\000\000\000\000\004\000\000\000\000\000\000\000\341l\332\000\000\000\000\000`\345\\\212^\177\000\000\264\302\306\000\000\000\000\000\210\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\345\\\212^\177\000\000Fn\230\000\000\000\000\000P\345\\\212^\177\000\000p\345\\\212^\177\000\000\240\345\\\212^\177\000\000>\373\235\000\000\000\000\000A\313\320\000\000\000\000\000\060\354\\\212^\177\000\000\001\000\000\000^\177\000\000x2Ƞ^\177\000\000\275\001\000\000\000\000\000\000\240\372?\001\000\000\000"
        dir_name_length = 13
#4  0x00000000007d5ee5 in mysql_create_frm (thd=0x29389b0, file_name=0x7f5e8a5cedb0 "./transforms/insert_select_25095.frm", db=0x0, table=<optimized out>, create_info=0x7f5e8a5d1a00, create_fields=..., keys=0, key_info=0x7f5e50005c90, db_file=0x7f5e5001b550) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:444
        fileinfo =           "\376\001\t\f\003\000\000\020\001\000\000\060\000\000\020\000\005\000\000\000\000\000\000\000\000\000\000\002\b\000\b\000\000\005\000\000\000\000\b\000\000\000\000\000\000\000\000\020\000\000\000\264\305\000\000\032\000\000\000\000\000\000\000"
        forminfo =           "j\001\000\020", '\000' <repeats 252 times>, "\001\000\001\000\065\000\001\000\000\000\005\000\004\000\000\000\000\000\000\000\000\000P\000\026\000\000\000\000\000\000"
        tablespace_length = 0
        __PRETTY_FUNCTION__ =           "bool mysql_create_frm(THD*, const char*, const char*, const char*, HA_CREATE_INFO*, List<Create_field>&, uint, KEY*, handler*)"
        maxlength = <optimized out>
        data_offset = 0
        keybuff = 0x7f5e500082a0 "./transforms/"
        buff =           "\000\000\000\000\000\000\000\000\220\\\000P^\177\000\000\000nt1_3/m\000\000\000\000^\177\000\000\017\000\000\200\002\000\000\000\361l\332\000\000\000\000\000\320\350;\002\000\000\000\000Fn\230\000\000\000\000\000\020\354\\\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\060\354\\\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 11 times>
        part_info = 0x0
        format_section_length = 10
        str_db_type = {
          str = 0xdc0970 <innobase_hton_name> "InnoDB", 
          length = 6
        }
        info_length = <optimized out>
        screens = 1
        i = 0
        reclength = 5
        filepos = <optimized out>
        screen_buff = 0x7f5e5001ee40 ""
        _db_stack_frame_ = {
          func = 0xd0cbb5 "rea_create_table", 
          file = 0xd0c988 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/unireg.cc", 
          level = 2147483661, 
          prev = 0x7f5e8a5cf000
        }
        key_info_length = 21916384
        file = 27
        pack_header_error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b6af0 <vtable for Pack_header_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, 
          members of Pack_header_error_handler: 
          is_handled = false
        }
        key_buff_length = 16
        forminfo_p = 0x7f5e8a5ce990 "j\001"
        error = <optimized out>
#5  0x00000000007d62ce in rea_create_table (thd=0x29389b0, path=0x7f5e8a5cffd0 "./transforms/insert_select_25095", db=0x7f5e50004d20 "transforms", table_name=0x7f5e50004d30 "insert_select_25095", create_info=0x7f5e8a5d1a00, create_fields=..., keys=0, key_info=0x7f5e50005c90, file=0x7f5e5001b550, no_ha_table=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/unireg.cc:512
        _db_stack_frame_ = {
          func = 0xcf5f1b "create_table_impl", 
          file = 0xcf6488 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc", 
          level = 2147483660, 
          prev = 0x7f5e8a5cff10
        }
        frm_name =           "./transforms/insert_select_25095.frm\000\177\000\000\030\356\\\212^\177\000\000\033_\317\000\000\000\000\000\210d\317\000\000\000\000\000\f\000\000\200^\177\000\000\020\377\\\212^\177\000\000\260\211\223\002\000\000\000\000|\000\000\000\000\000\000\000j\247\377\363\000ɯ\311(\000\000\000\000\000\000\000\340\037\000\000\000\000\000\000@]N\001\000\000\000\000\037\000\000\000\000\000\000\000\300\356\\\212^\177\000\000\254\356\\\212^\177\000\000\260\211\223\002\000\000\000\000\220\356\\\212^\177\000\000\277\267\226\000\000\000\000\000a", '\000' <repeats 15 times>, "\020\360\\\212^\177\000\000\370\356\\\212^\177\000\000\v\000\000\000\000\000\000\000\250\357\\\212^\177\000\000\340\357\\\212^\177\000\000\262\001s\000\000\000\000\000 \220:\002\000\000\000\000@\202:\002\000\000\000\000\260\206:\002\000\000\000\000(\207:\002\000\000\000\000г:\002\000\000\000\000\070\206:\002\000\000\000\000H$<\002", '\000' <repeats 12 times>, "\230\220:\002\000\000\000\000\210\221:\002\000\000\000\000\320\350;\002\000\000\000\000\260\211\223\002\000\000\000\000\340\357\\\212^\177\000\000|\002s\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000@\357\\\212^\177\000\000\370\264\306\000\000\000\000\000\200\357\\\212^\177\000\000&\360\316\000\000\000\000\000\240\357\\\212^\177\000\000\264\302\306\000\000\000\000\000\317I\313\000\000\000\000\000\300\357\\\212^\177\000\000p\001\000\000\002\000\000\000&\360\316", '\000' <repeats 13 times>, "\300\357\\\212^\177\000\000\030\244\223\002\000\000\000\000\306o\327\000\000\000\000\000\210d\317\000\000\000\000\000\230\022\000\000\000\000\000\000\020\360\\\212^\177\000\000\314\305s\000\000\000\000"
        __PRETTY_FUNCTION__ =           "int rea_create_table(THD*, const char*, const char*, const char*, HA_CREATE_INFO*, List<Create_field>&, uint, KEY*, handler*, bool)"
#6  0x000000000077a0e9 in create_table_impl (thd=0x29389b0, db=0x7f5e50004d20 "transforms", table_name=0x7f5e50004d30 "insert_select_25095", path=0x7f5e8a5cffd0 "./transforms/insert_select_25095", create_info=0x7f5e8a5d1a00, alter_info=0x7f5e8a5d1410, internal_tmp_table=false, select_field_count=1, no_ha_table=false, is_trans=0x0, key_info=0x7f5e8a5d01e0, key_count=0x7f5e8a5d01e8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4826
        file = 0x7f5e5001b550
        __PRETTY_FUNCTION__ =           "bool create_table_impl(THD*, const char*, const char*, const char*, HA_CREATE_INFO*, Alter_info*, bool, uint, bool, bool*, KEY**, uint*)"
        __FUNCTION__ =           "create_table_impl"
        alias = 0x7f5e50004d30 "insert_select_25095"
        db_options = 0
        error = true
        _db_stack_frame_ = {
          func = 0xce41bb "create_table_from_items", 
          file = 0xce39f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc", 
          level = 2147483659, 
          prev = 0x7f5e8a5d0ee0
        }
        part_info = 0x0
#7  0x000000000077aae7 in mysql_create_table_no_lock (thd=0x29389b0, db=0x7f5e50004d20 "transforms", table_name=0x7f5e50004d30 "insert_select_25095", create_info=0x7f5e8a5d1a00, alter_info=0x7f5e8a5d1410, select_field_count=1, is_trans=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:4938
        not_used_1 = 0x7f5e50005c90
        not_used_2 = 0
        path =           "./transforms/insert_select_25095", '\000' <repeats 16 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\000\000]\212^\177\000\000\370\264\306\000\006\002\000\000\v\000\000\200\002\000\000\000\177\\\317\000\000\000\000\000\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\342\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\240\a]\212^\177\000\000Fn\230\000\000\000\000\000\200\000]\212^\177\000\000\370\264\306\000\000\000\000\000\033\000\000\000\000\000\000\000\240\a]\212^\177\000\000\340\002]\212^\177\000\000\243\322\306\000\000\000\000\000\070\002]\212^\177\000\000@\031\002Pj\002\000\000\n\000\000\200\002\000\000\000\225\\\317\000\000\000\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000ؿ\223\002\000\000\000\000Fn\230\000\000\000\000\000\360\000]\212^\177\000\000\370\264\306\000\000\000\000\000@\001]\212^\177\000\000ؿ\223\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000ؿ\223\002\000\000\000\000Fn\230\000\000\000\000\000\060\001]\212^\177\000\000ؿ\223\002\000\000\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000ؿ\223\002\000\000\000\000Fn\230\000\000\000\000\000`\001]\212^\177\000\000\370\264\306\000\000\000\000\000\260\001]\212^\177\000\000ؿ\223\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000ؿ\223\002\000\000\000\000Fn\230\000\000\000\000\000\240\001]\212^\177\000\000ؿ\223\002\000\000\000\000\320\001]\212^\177\000\000\020\000\000\000\000\000\000\000\250\061A\001\000\000\000\000ؿ\223\002\000\000\000\000 \002]\212^\177\000\000\376ۗ\000\000\000\000\000\350R\000P^\177\000\000\200\\\000P^\177\000\000\273"
#8  0x0000000000701755 in create_table_from_items (thd=0x29389b0, create_info=0x7f5e8a5d1a00, create_table=0x7f5e50004d88, alter_info=0x7f5e8a5d1410, items=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4000
        share = {
          table_category = TABLE_CATEGORY_TEMPORARY, 
          name_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 0, 
            records = 0, 
            flags = 0, 
            array = {
              buffer = 0x0, 
              elements = 0, 
              max_element = 0, 
              alloc_increment = 0, 
              size_of_element = 0
            }, 
            get_key = 0x0, 
            free = 0x0, 
            charset = 0x0
          }, 
          mem_root = {
            free = 0x0, 
            used = 0x0, 
            pre_alloc = 0x0, 
            min_malloc = 32, 
            block_size = 992, 
            block_num = 4, 
            first_block_usage = 0, 
            error_handler = 0x891cd0 <sql_alloc_error_handler()>
          }, 
          keynames = {
            count = 0, 
            name = 0x0, 
            type_names = 0x0, 
            type_lengths = 0x0
          }, 
          fieldnames = {
            count = 0, 
            name = 0x0, 
            type_names = 0x0, 
            type_lengths = 0x0
          }, 
          intervals = 0x0, 
          LOCK_ha_data = {
            m_mutex = {
              __data = {
                __lock = 0, 
                __count = 0, 
                __owner = 0, 
                __nusers = 0, 
                __kind = 0, 
                __spins = 0, 
                __list = {
                  __prev = 0x0, 
                  __next = 0x0
                }
              }, 
              __size =                 '\000' <repeats 39 times>, 
              __align = 0
            }, 
            m_psi = 0x0
          }, 
          next = 0x0, 
          prev = 0x0, 
          cache_element = 0x0, 
          field = 0x0, 
          found_next_number_field = 0x0, 
          key_info = 0x0, 
          blob_field = 0x0, 
          default_values = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          table_charset = 0x0, 
          all_set = {
            bitmap = 0x0, 
            n_bits = 0, 
            last_word_mask = 0, 
            last_word_ptr = 0x0, 
            mutex = 0x0
          }, 
          table_cache_key = {
            str = 0xdadda0 "", 
            length = 0
          }, 
          db = {
            str = 0xdadda0 "", 
            length = 0
          }, 
          table_name = {
            str = 0xdadda0 "", 
            length = 0
          }, 
          path = {
            str = 0xdadda0 "", 
            length = 0
          }, 
          normalized_path = {
            str = 0xdadda0 "", 
            length = 0
          }, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          keys_in_use = {
            map = 0
          }, 
          keys_for_keyread = {
            map = 0
          }, 
          min_rows = 0, 
          max_rows = 0, 
          avg_row_length = 0, 
          version = 0, 
          mysql_version = 0, 
          reclength = 0, 
          db_plugin = 0x0, 
          row_type = ROW_TYPE_DEFAULT, 
          tmp_table = INTERNAL_TMP_TABLE, 
          ref_count = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          null_bytes = 0, 
          last_null_bit_pos = 0, 
          fields = 0, 
          rec_buff_length = 0, 
          keys = 0, 
          key_parts = 0, 
          max_key_length = 0, 
          max_unique_length = 0, 
          total_key_length = 0, 
          uniques = 0, 
          null_fields = 0, 
          blob_fields = 0, 
          varchar_fields = 0, 
          db_create_options = 0, 
          db_options_in_use = 0, 
          db_record_offset = 0, 
          rowid_field_offset = 0, 
          primary_key = 0, 
          next_number_index = 0, 
          next_number_key_offset = 0, 
          next_number_keypart = 0, 
          error = 0, 
          open_errno = 0, 
          errarg = 0, 
          column_bitmap_size = 0, 
          frm_version = 10 '\n', 
          null_field_first = false, 
          system = false, 
          crypted = false, 
          db_low_byte_first = false, 
          crashed = false, 
          is_view = false, 
          table_map_id = {
            static TABLE_ID_MAX = 281474976710655, 
            m_id = 12136
          }, 
          cached_row_logging_check = -1, 
          default_storage_media = HA_SM_DEFAULT, 
          tablespace = 0x0, 
          auto_partitioned = false, 
          partition_info_str = 0x0, 
          partition_info_str_len = 0, 
          partition_info_buffer_size = 0, 
          default_part_db_type = 0x0, 
          table_field_def_cache = 0x0, 
          ha_share = 0x0, 
          m_psi = 0x0, 
          m_flush_tickets = {
            <I_P_List_null_counter> = {<No data fields>}, 
            <I_P_List_no_push_back<Wait_for_flush>> = {<No data fields>}, 
            members of I_P_List<Wait_for_flush, I_P_List_adapter<Wait_for_flush, &Wait_for_flush::next_in_share, &Wait_for_flush::prev_in_share>, I_P_List_null_counter, I_P_List_no_push_back<Wait_for_flush> >: 
            m_first = 0x0
          }, 
          view_def = 0x0
        }
        __PRETTY_FUNCTION__ =           "TABLE* create_table_from_items(THD*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, List<Item>*)"
        tmp_table = {
          s = 0x7f5e8a5d0b80, 
          file = 0xc6d2a3 <_db_return_+339>, 
          next = 0x7f5e8a5d09a0, 
          prev = 0x82c8a5d07c4, 
          cache_next = 0x28000000c, 
          cache_prev = 0xced59a, 
          in_use = 0x7f5e8a5d0760, 
          field = 0x772ab0 <build_table_filename(char*, unsigned long, char const*, char const*, char const*, unsigned int, bool*)+336>, 
          record =             {[0] = 0xa00000013 <Address 0xa00000013 out of bounds>,
            [1] = 0x14dea20 <reg_ext> ".frm"}, 
          write_row_record = 0x7f5e8a5d0710 "\n", 
          insert_values = 0x1 <Address 0x1 out of bounds>, 
          covering_keys = {
            map = 0
          }, 
          quick_keys = {
            map = 0
          }, 
          merge_keys = {
            map = 0
          }, 
          used_keys = {
            map = 0
          }, 
          possible_quick_keys = {
            map = 0
          }, 
          keys_in_use_for_query = {
            map = 0
          }, 
          keys_in_use_for_group_by = {
            map = 0
          }, 
          keys_in_use_for_order_by = {
            map = 0
          }, 
          key_info = 0x340cc0ae9a <pthread_rwlock_unlock+138>, 
          next_number_field = 0xc6d2a3 <_db_return_+339>, 
          found_next_number_field = 0x80000009, 
          triggers = 0x76300da5057, 
          pos_in_table_list = 0x80000009, 
          pos_in_locked_tables = 0xce23df, 
          group = 0x7f5e5001c658, 
          alias = 0x0, 
          null_flags = 0x7f5e8a5d03b0 "\232\256\300\f4", 
          bitmap_init_value = 0xc6b4f8 <code_state+56>, 
          def_read_set = {
            bitmap = 0x1542600 <init_settings>, 
            n_bits = 0, 
            last_word_mask = 0, 
            last_word_ptr = 0x340cc0ae9a <pthread_rwlock_unlock+138>, 
            mutex = 0xc6d2a3 <_db_return_+339>
          }, 
          def_write_set = {
            bitmap = 0x29389b0, 
            n_bits = 9989702, 
            last_word_mask = 0, 
            last_word_ptr = 0xffffffff, 
            mutex = 0x986e46 <my_thread_var_dbug+38>
          }, 
          tmp_set = {
            bitmap = 0x7f5e8a5d0400, 
            n_bits = 13022456, 
            last_word_mask = 0, 
            last_word_ptr = 0x0, 
            mutex = 0x0
          }, 
          read_set = 0x340cc0a87f <pthread_rwlock_rdlock+143>, 
          write_set = 0xc6d2a3 <_db_return_+339>, 
          query_id = 140044025005104, 
          quick_rows =             {[0] = 22789109495032,
            [1] = 10737418251,
            [2] = 13323062,
            [3] = 140044025005200,
            [4] = 13025972,
            [5] = 140043045944704,
            [6] = 140044025005280,
            [7] = 47244640259,
            [8] = 0,
            [9] = 140044025005824,
            [10] = 9989702,
            [11] = 140044025005200,
            [12] = 13022456,
            [13] = 22291968,
            [14] = 0,
            [15] = 223552253594,
            [16] = 13030051,
            [17] = 13555098,
            [18] = 21255806700600,
            [19] = 10737418250,
            [20] = 13323074,
            [21] = 140044025005280,
            [22] = 140044025005136,
            [23] = 140043045850504,
            [24] = 9989702,
            [25] = 140044025005312,
            [26] = 13022456,
            [27] = 140044025005696,
            [28] = 140043045850504,
            [29] = 140044025005920,
            [30] = 13030051,
            [31] = 140044025005664,
            [32] = 10067410878898,
            [33] = 10737418249,
            [34] = 13323077,
            [35] = 37390000,
            [36] = 37390120,
            [37] = 37401552,
            [38] = 37389880,
            [39] = 37495880,
            [40] = 0,
            [41] = 37392536,
            [42] = 37392776,
            [43] = 37480656,
            [44] = 140043045850400,
            [45] = 140044025005664,
            [46] = 7537276,
            [47] = 140044025005488,
            [48] = 140044025005344,
            [49] = 18446744037376199136,
            [50] = 140044025005696,
            [51] = 140044025005568,
            [52] = 5973008,
            [53] = 43223472,
            [54] = 140041703653387,
            [55] = 13323062,
            [56] = 9989702,
            [57] = 140044025005568,
            [58] = 13022456,
            [59] = 140044025005648,
            [60] = 13323062,
            [61] = 13323062,
            [62] = 13333896,
            [63] = 2147483660}, 
          const_key_parts =             {[0] = 140044025005728,
            [1] = 140043045850416,
            [2] = 37480656,
            [3] = 140044025005648,
            [4] = 4294967295,
            [5] = 43223472,
            [6] = 140044025005728,
            [7] = 140044025005856,
            [8] = 140043045850400,
            [9] = 140044025005808,
            [10] = 5991257,
            [11] = 140044025005712,
            [12] = 140044025005864,
            [13] = 140043045850400,
            [14] = 140043045850416,
            [15] = 140044025005864,
            [16] = 140044025005856,
            [17] = 13323074,
            [18] = 13333896,
            [19] = 10737418251,
            [20] = 140044025005824,
            [21] = 140043135309142,
            [22] = 140044025005824,
            [23] = 140044025008495,
            [24] = 140043045850400,
            [25] = 140043045850416,
            [26] = 43223472,
            [27] = 140044025005920,
            [28] = 5991528,
            [29] = 13323077,
            [30] = 13473600,
            [31] = 2147483658,
            [32] = 140044025006560,
            [33] = 10737418250,
            [34] = 0,
            [35] = 43223784,
            [36] = 140043045850504,
            [37] = 140044025005984,
            [38] = 0,
            [39] = 140044025006560,
            [40] = 0,
            [41] = 140044025006656,
            [42] = 7100633,
            [43] = 140044025006607,
            [44] = 21883424,
            [45] = 140044025006992,
            [46] = 1,
            [47] = 43223472,
            [48] = 140044025008495,
            [49] = 7382365579001474862,
            [50] = 8317701214320816751,
            [51] = 0,
            [52] = 9989702,
            [53] = 140044025006048,
            [54] = 13022456,
            [55] = 22291968,
            [56] = 0,
            [57] = 223552253594,
            [58] = 13030051,
            [59] = 140044025006096,
            [60] = 12232079881464,
            [61] = 10737418248,
            [62] = 13514614,
            [63] = 140044025008704}, 
          quick_key_parts =             {[0] = 43223472,
            [1] = 0,
            [2] = 0,
            [3] = 0,
            [4] = 2321355080,
            [5] = 32606,
            [6] = 2321353280,
            [7] = 32606,
            [8] = 7063486,
            [9] = 0,
            [10] = 2321353376,
            [11] = 32606,
            [12] = 13030051,
            [13] = 0,
            [14] = 2321352816,
            [15] = 32606,
            [16] = 13022456,
            [17] = 789,
            [18] = 2147483656,
            [19] = 2,
            [20] = 13506511,
            [21] = 0,
            [22] = 1051,
            [23] = 0,
            [24] = 9989702,
            [25] = 0,
            [26] = 14297014,
            [27] = 0,
            [28] = 9989702,
            [29] = 0,
            [30] = 2321352880,
            [31] = 32606,
            [32] = 13022456,
            [33] = 0,
            [34] = 2321352896,
            [35] = 32606,
            [36] = 6775970,
            [37] = 0,
            [38] = 2321354512,
            [39] = 32606,
            [40] = 0,
            [41] = 0,
            [42] = 2321352992,
            [43] = 32606,
            [44] = 6777844,
            [45] = 0,
            [46] = 1431655766,
            [47] = 0,
            [48] = 2321353020,
            [49] = 32606,
            [50] = 0,
            [51] = 52,
            [52] = 2321354548,
            [53] = 32606,
            [54] = 2321353632,
            [55] = 32606,
            [56] = 2321354512,
            [57] = 32606,
            [58] = 2321352992,
            [59] = 32606,
            [60] = 6775970,
            [61] = 0,
            [62] = 2321354512,
            [63] = 32606}, 
          quick_n_ranges =             {[0] = 43223784,
            [1] = 0,
            [2] = 2321353072,
            [3] = 32606,
            [4] = 6789537,
            [5] = 0,
            [6] = 2321353056,
            [7] = 32606,
            [8] = 226508358,
            [9] = 0,
            [10] = 43223784,
            [11] = 0,
            [12] = 43223784,
            [13] = 0,
            [14] = 2321354512,
            [15] = 32606,
            [16] = 0,
            [17] = 0,
            [18] = 31536000,
            [19] = 0,
            [20] = 43232632,
            [21] = 0,
            [22] = 2321353280,
            [23] = 32606,
            [24] = 6790169,
            [25] = 0,
            [26] = 2321353120,
            [27] = 32606,
            [28] = 13022456,
            [29] = 0,
            [30] = 22291968,
            [31] = 0,
            [32] = 0,
            [33] = 0,
            [34] = 213954202,
            [35] = 52,
            [36] = 13030051,
            [37] = 0,
            [38] = 13514614,
            [39] = 0,
            [40] = 9989702,
            [41] = 0,
            [42] = 2321353184,
            [43] = 32606,
            [44] = 13022456,
            [45] = 0,
            [46] = 0,
            [47] = 0,
            [48] = 0,
            [49] = 0,
            [50] = 13514614,
            [51] = 0,
            [52] = 13473600,
            [53] = 0,
            [54] = 2147483657,
            [55] = 0,
            [56] = 2321355040,
            [57] = 32606,
            [58] = 2321355328,
            [59] = 32606,
            [60] = 6779136,
            [61] = 0,
            [62] = 1342266216,
            [63] = 32606}, 
          quick_condition_rows = 0, 
          map = 140044025007888, 
          lock_position = 21879080, 
          lock_data_start = 0, 
          lock_count = 43223472, 
          tablenr = 0, 
          used_fields = 43232632, 
          temp_pool_slot = 0, 
          db_stat = 2321355168, 
          current_lock = 32606, 
          maybe_null = 0, 
          null_row = 0 '\000', 
          status = 0 '\000', 
          copy_blobs = 0 '\000', 
          force_index = 0 '\000', 
          force_index_order = 116 't', 
          force_index_group = 95 '_', 
          distinct = 115 's', 
          const_table = 101 'e', 
          no_rows = 108 'l', 
          key_read = 101 'e', 
          no_keyread = 99 'c', 
          locked_by_logger = 116 't', 
          no_replicate = 95 '_', 
          locked_by_name = 50 '2', 
          fulltext_searched = 53 '5', 
          no_cache = 48 '0', 
          open_by_handler = 57 '9', 
          auto_increment_field_not_null = 53 '5', 
          insert_or_update = 0 '\000', 
          alias_name_used = 0 '\000', 
          get_fields_in_item_tree = 0 '\000', 
          m_needs_reopen = 0 '\000', 
          created = false, 
          max_keys = 0, 
          reginfo = {
            join_tab = 0x7f5e24015ac0, 
            lock_type = -1973613168, 
            not_exists_optimize = 94, 
            impossible_range = 127
          }, 
          mem_root = {
            free = 0x98102c <my_error+300>, 
            used = 0x696177206b636f4c, 
            pre_alloc = 0x756f656d0000001f, 
            min_malloc = 140044025008416, 
            block_size = 10014565, 
            block_num = 31, 
            first_block_usage = 0, 
            error_handler = 0xc3d5eff7029c9d18
          }, 
          blob_storage = 0xcef026, 
          grant = {
            grant_table = 0x986e46 <my_thread_var_dbug+38>, 
            version = 2321355328, 
            privilege = 13022456, 
            want_privilege = 0, 
            orig_want_privilege = 140043045850504, 
            m_internal = {
              m_schema_lookup_done = 127, 
              m_schema_access = 0xc6c2b4 <_db_enter_+692>, 
              m_table_lookup_done = 240, 
              m_table_access = 0x0
            }
          }, 
          sort = {
            filesort_buffer = {
              m_idx_array = {
                m_array = 0x0, 
                m_size = 0
              }, 
              m_record_length = 0, 
              m_start_of_data = 0x0
            }, 
            io_cache = 0xda27b6, 
            buffpek = 0x986e46 <my_thread_var_dbug+38> "H\205\300t‸\230", 
            buffpek_len = 2321353552, 
            addon_buf = 0xc6b4f8 <code_state+56> "H\205\300H\211\303t\325H\213\020H\205\322uϿ`", 
            addon_length = 140044025008016, 
            addon_field = 0x88101c <opt_trace_print_expanded_query(THD*, st_select_lex*, Opt_trace_object*)+44>, 
            unpack = 0x340cc0a87f <pthread_rwlock_rdlock+143>, 
            record_pointers = 0x0, 
            found_records = 31536000
          }, 
          part_info = 0x7f5e8a5d0c00, 
          all_partitions_pruned_away = 9, 
          mdl_ticket = 0xda27b6
        }
        table = 0x0
        select_field_count = 1
        it = {
          <base_list_iterator> = {
            list = <optimized out>, 
            el = 0x14e6ae0 <end_of_list>, 
            prev = 0x0, 
            current = 0x0
          }, <No data fields>}
        item = <optimized out>
        tmp_field = 0xce41d3
        _db_stack_frame_ = {
          func = 0xce41d3 "select_create::prepare", 
          file = 0xce39f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc", 
          level = 2147483658, 
          prev = 0x7f5e8a5d0f50
        }
#9  0x00000000007019e4 in select_create::prepare (this=0x7f5e50005548, values=..., u=0x293ae40) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_insert.cc:4068
        _db_stack_frame_ = {
          func = 0xcefaa5 "JOIN::prepare", 
          file = 0xcefc80 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc", 
          level = 2147483657, 
          prev = 0x7f5e8a5d11a0
        }
        __PRETTY_FUNCTION__ =           "virtual int select_create::prepare(List<Item>&, SELECT_LEX_UNIT*)"
        retval = <optimized out>
#10 0x000000000074120f in JOIN::prepare (this=0x7f5e500056c8, tables_init=<optimized out>, wild_num=43234728, conds_init=<optimized out>, og_num=0, order_init=<optimized out>, group_init=0x0, having_init=0x0, select_lex_arg=0x293b488, unit_arg=0x293ae40) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_resolver.cc:335
        trace = 0x293ad58
        trace_wrapper = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = false, 
            has_disabled_I_S = false, 
            empty = false, 
            stmt = 0xcf1c40 <mysql_prepare_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*, bool*)::__FUNCTION__>, 
            saved_key = 0xcf081b "mysql_prepare_select", 
            previous_key =               "\330\v\317\000\000\000\000\000\b\000\000\200\000\000\000\000\200\022]\212^\177\000\000\260"
          }, <No data fields>}
        trace_prepare = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 17, 
            has_disabled_I_S = 93, 
            empty = 138, 
            stmt = 0x7f5e8a5d1170, 
            saved_key = 0x293a418 "\001", 
            previous_key =               "\327\215\327\000\000\000\000\000\330\v\317\000\000\000\000\000\033\004\000\000\000\000\000\000\300"
          }, <No data fields>}
        trace_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = false, 
            has_disabled_I_S = false, 
            empty = false, 
            stmt = 0xcef026, 
            saved_key = 0x7f5e8a5d1150 "\300\021]\212^\177", 
            previous_key =               "\264\302\306\000\000\000\000\000WP\332\000\000\000\000\000p\021]\212^\177\000\000p"
          }, <No data fields>}
        table_ptr = <optimized out>
        __PRETTY_FUNCTION__ =           "int JOIN::prepare(TABLE_LIST*, uint, Item*, uint, ORDER*, ORDER*, Item*, SELECT_LEX*, SELECT_LEX_UNIT*)"
        hidden_order_field_count = 0
        _db_stack_frame_ = {
          func = 0xcf081b "mysql_prepare_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483656, 
          prev = 0x7f5e8a5d1280
        }
        tracker = {
          thd = 0x29389b0
        }
#11 0x0000000000749a00 in mysql_prepare_select (free_join=<optimized out>, select_lex=0x293b488, unit=0x293ae40, result=0x7f5e50005548, select_options=2416708096, having=0x0, group=0x0, order=0x0, og_num=0, conds=0x0, fields=..., wild_num=0, tables=0x0, thd=0x29389b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1055
        err = false
        join = <optimized out>
        _db_stack_frame_ = {
          func = 0xcf080e "mysql_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a5d12a0
        }
#12 mysql_select (thd=0x29389b0, tables=0x0, wild_num=0, fields=..., conds=0x0, order=<optimized out>, group=0x293b588, having=0x0, select_options=2416708096, result=0x7f5e50005548, unit=0x293ae40, select_lex=0x293b488) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1178
        free_join = true
        first_order = 0x0
        __FUNCTION__ =           "mysql_select"
        og_num = 0
        first_group = 0x0
        _db_stack_frame_ = {
          func = 0xcf0855 "handle_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a5d1340
        }
#13 0x0000000000749dbb in handle_select (thd=0x29389b0, result=0x7f5e50005548, setup_tables_done_option=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
        unit = <optimized out>
        res = <optimized out>
        lex = 0x293ad78
        select_lex = 0x293b488
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a5d1fe0
        }
#14 0x000000000072708a in mysql_execute_command (thd=0x29389b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3245
        result = 0x7f5e50005548
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x144ff40 <my_charset_latin1>, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x7f5e50004d70 "insert_select_25095", 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 8, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e8a5d1aa0
          }, 
          db_type = 0x23cb740, 
          row_type = ROW_TYPE_DEFAULT, 
          null_bits = 1, 
          options = 0, 
          merge_insert_method = 0, 
          extra_size = 26, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        link_to_local = <optimized out>
        create_table = 0x7f5e50005548
        select_tables = 0x0
        alter_info = {
          static ALTER_ADD_COLUMN = 1, 
          static ALTER_DROP_COLUMN = 2, 
          static ALTER_CHANGE_COLUMN = 4, 
          static ALTER_ADD_INDEX = 8, 
          static ALTER_DROP_INDEX = 16, 
          static ALTER_RENAME = 32, 
          static ALTER_ORDER = 64, 
          static ALTER_OPTIONS = 128, 
          static ALTER_CHANGE_COLUMN_DEFAULT = 256, 
          static ALTER_KEYS_ONOFF = 512, 
          static ALTER_CONVERT = 1024, 
          static ALTER_RECREATE = 2048, 
          static ALTER_ADD_PARTITION = 4096, 
          static ALTER_DROP_PARTITION = 8192, 
          static ALTER_COALESCE_PARTITION = 16384, 
          static ALTER_REORGANIZE_PARTITION = 32768, 
          static ALTER_PARTITION = 65536, 
          static ALTER_ADMIN_PARTITION = 131072, 
          static ALTER_TABLE_REORG = 262144, 
          static ALTER_REBUILD_PARTITION = 524288, 
          static ALTER_ALL_PARTITION = 1048576, 
          static ALTER_REMOVE_PARTITIONING = 2097152, 
          static ADD_FOREIGN_KEY = 4194304, 
          static DROP_FOREIGN_KEY = 8388608, 
          static ALTER_EXCHANGE_PARTITION = 16777216, 
          static ALTER_TRUNCATE_PARTITION = 33554432, 
          static ALTER_COLUMN_ORDER = 67108864, 
          drop_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a5d1410, 
              elements = 0
            }, <No data fields>}, 
          alter_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a5d1428, 
              elements = 0
            }, <No data fields>}, 
          key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a5d1440, 
              elements = 0
            }, <No data fields>}, 
          create_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x7f5e50005c80, 
              last = 0x7f5e50005c80, 
              elements = 1
            }, <No data fields>}, 
          delayed_key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a5d1470, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_info = 0x6b6e7065776d7770, 
          delayed_key_count = 0, 
          flags = 0, 
          keys_onoff = Alter_info::LEAVE_AS_IS, 
          partition_names = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a5d14a0, 
              elements = 0
            }, <No data fields>}, 
          num_parts = 0, 
          requested_algorithm = Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT, 
          requested_lock = Alter_info::ALTER_TABLE_LOCK_DEFAULT
        }
        res = <optimized out>
        lex = 0x293ad78
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a5d20d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 137, 
            has_disabled_I_S = 147, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a5d1fd0 "0 ]\212^\177", 
            previous_key =               "\260\211\223\002\000\000\000\000\360\037]\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 31, 
            has_disabled_I_S = 93, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\350R\000P^\177\000\000\001\000\000\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x293ad58, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x293b488
        first_table = 0x7f5e50005548
        all_tables = 0x7f5e50004d88
        unit = 0x293ae40
        have_table_map_for_update = false
#15 0x0000000000727818 in mysql_parse (thd=0x29389b0, rawbuf=0x293ad78 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x293ad78
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a5d2bf0
        }
        start_usecs = 1373676108877319
        end_usecs = 0
        start_cpu_nsecs = 355431208
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 877319
        }
        end_time = {
          tv_sec = 43223472, 
          tv_usec = 140043045850160
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 355431208
        }
#16 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29389b0, packet=0x293c8e1 "CREATE TABLE transforms.insert_select_25095  SELECT 1", packet_length=53) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e50004c65 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29389b0, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e8a5d1f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e50004c66 "\016", 
            m_tok_start = 0x7f5e50004c66 "\016", 
            m_tok_end = 0x7f5e50004c66 "\016", 
            m_end_of_query = 0x7f5e50004c65 "", 
            m_tok_start_prev = 0x7f5e50004c65 "", 
            m_buf = 0x7f5e50004c30 "CREATE TABLE transforms.insert_select_25095  SELECT 1", 
            m_buf_length = 53, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e50004cd8 "CREATE TABLE transforms.insert_select_25095  SELECT 1", 
            m_cpp_ptr = 0x7f5e50004d0d "", 
            m_cpp_tok_start = 0x7f5e50004d0d "", 
            m_cpp_tok_start_prev = 0x7f5e50004d0d "", 
            m_cpp_tok_end = 0x7f5e50004d0d "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e50004d0c "1", 
            m_cpp_text_end = 0x7f5e50004d0d "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2938c10
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a5d2ce0
        }
#17 0x0000000000729a47 in do_command (thd=0x29389b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x293c8e0 "\003CREATE TABLE transforms.insert_select_25095  SELECT 1"
        packet_length = <optimized out>
        net = 0x2938c10
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#18 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29389b0
#19 0x00000000006ed727 in handle_one_connection (arg=0x29389b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29389b0
#20 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x29389b0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#21 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 49 (LWP 25070):
+bt full
#0  0x000000340cc0eacc in send () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000c9f523 in inline_mysql_socket_send (flags=64, n=70, buf=0x2974fd0, mysql_socket=..., src_line=192, src_file=0x10225f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_socket.h:759
        result = <optimized out>
#2  vio_write (vio=0x2974de0, buf=0x2974fd0 "B", size=70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:192
        ret = <optimized out>
        flags = 64
        _db_stack_frame_ = {
          func = 0xcd0f3e "net_write_packet", 
          file = 0xcd0dc8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc", 
          level = 2147483656, 
          prev = 0x7f5e8a40aad0
        }
#3  0x000000000067b749 in net_write_raw_loop (count=70, buf=0x2974fd0 "B", net=0x29712a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:494
        sentcnt = <optimized out>
        retry_count = <optimized out>
#4  net_write_packet (net=0x29712a0, packet=0x2974fd0 "B", length=70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:630
        res = -48 '\320'
        _db_stack_frame_ = {
          func = 0xcd0f4f "net_flush", 
          file = 0xcd0dc8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a40ab40
        }
        do_compress = false
#5  0x000000000067bac1 in net_flush (net=0x29712a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:220
        error = 0 '\000'
        _db_stack_frame_ = {
          func = 0xcd0f59 "net_write_command", 
          file = 0xcd0dc8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a40abb0
        }
#6  0x000000000067bccd in net_write_command (net=<optimized out>, command=208 '\320', header=0xdadda0 "", head_len=0, packet=0x7f5e8a40ac40 "\036\004#42S22Unknown column 'table3.col_enum_utf8_key' in 'field list'", len=65) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:395
        length = <optimized out>
        header_size = <optimized out>
        buff =           "B\000\000\001\377"
        _db_stack_frame_ = {
          func = 0xcd1331 "Protocol::send_error", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a40b0c0
        }
#7  0x0000000000680656 in net_send_error_packet (thd=0x2971040, sql_errno=<optimized out>, err=<optimized out>, sqlstate=0x7f5e8a40ac48 "Unknown column 'table3.col_enum_utf8_key' in 'field list'") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:401
        net = 0x29712a0
        length = 65
        error = 0
        converted_err =           "Unknown column 'table3.col_enum_utf8_key' in 'field list'\000\306\000\000\000\000\000\025\001\000\000\000\000\000\000Fn\230\000\000\000\000\000\200#;\002\000\000\000\000Fn\230\000\000\000\000\000Ю@\212^\177\000\000\200#;\002\000\000\000\000\200cN\001", '\000' <repeats 12 times>, "\t\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\240\257@\212^\177\000\000$\266\226\000\000\000\000\000P\257@\212^\177\000\000\374\257@\212^\177\000\000`\257@\212^\177\000\000X\257@\212^\177\000\000\060\257@\212^\177\000\000\020\216\313\000\000\000\000\000@\n\000<^\177\000\000h\257@\212^\177\000\000\265\260\316\000\000\000\000\000@\263\316\000\000\000\000\000\004\000\000\200\000\000\000\000а@\212^\177\000\000\220\257@\212^\177\000\000\022\227\\\000\000\000\000\000;\216\313\000\000\000\000\000\t\000\000\000\000\000\000\000\240\257@\212^\177\000\000\200cN\001\000\000\000\000\t\000\000\000\000\000\000\000@\n\000<^\177\000\000\374\257@\212^\177\000\000@\n\000<^\177\000\000\340\257@\212^\177\000\000\277\267\226\000\000\000\000\000:\000\000\000\000\000\000\000\274O\350\341\331\317GV@\020\227\002\000\000\000\000\300J\000<^\177\000\000L\242\340Q\000\000\000\000\001\000\000\000\000\000\000\000\000\260@\212^\177\000\000\361\267\226\000\000\000\000\000L\242\340Q\000\000\000\000\001\000\000\000\000\000\000\000\200\260@\212^\177\000\000\027\323n\000\000\000\000\000@\260@\212^\177\000\000U\000`\377\377\377\377\377\061\023\315\000\000\000\000\000Fn\230\000\000\000\000\000P\260@\212^\177\000\000\370\264\306\000\000\000\000\000p\260@\212^\177\000\000\061\023\315\000\000\000\000"
        buff =           "\036\004#42S22Unknown column 'table3.col_enum_utf8_key' in 'field list'\000@\212^\177\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\243\322\306\000\027\001\000\000\004\000\000\200\002\000\000\000\266'\332\000\000\000\000\000Ь@\212^\177\000\000\370\264\306\000\000\000\000\000\000Q\000<^\177\000\000Fn\230\000\000\000\000\000\360\254@\212^\177\000\000\370\264\306", '\000' <repeats 14 times>, "Q\000<^\177\000\000P\257@\212^\177\000\000\243\322\306\000\000\000\000\000\000Q\000<^\177\000\000Fn\230\000\000\000\000\000\060\255@\212^\177\000\000\370\264\306\000\000\000\000\000\001\000\000\000\000\000\000\000\000Q\000<^\177\000\000\220\257@\212^\177\000\000\243\322\306\000\000\000\000\000\000Q\000<^\177\000\000Fn\230\000\000\000\000\000p\255@\212^\177\000\000\370\264\306", '\000' <repeats 14 times>, "Q\000<^\177\000\000Я@\212^\177\000\000\243\322\306\000\000\000\000\000H\020\227\002\000\000\000\000Fn\230\000\000\000\000\000\260\255@\212^\177\000\000\370\264\306\000\000\000\000\000\300\255@\212^\177\000\000H\020\227\002\000\000\000\000\020\260@\212^\177\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\243\322\306\000\263\r\000\000\004\000\000\200\002\000\000\000\347\362\315\000\000\000\000\000\004\000\000\200\002\000\000\000QY\316\000\000\000\000\000@\020\227\002\000\000\000\000Fn\230\000\000\000\000\000 \256@\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000P\256@\212^\177\000\000\370\264\306\000\270\031\000\000\003\000\000\200\002\000\000"
        pos = 0x7f5e8a40ac48 "Unknown column 'table3.col_enum_utf8_key' in 'field list'"
        _db_stack_frame_ = {
          func = 0xcd1331 "Protocol::send_error", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a40b0c0
        }
#8  0x0000000000680739 in Protocol::send_error (this=0x2971570, sql_errno=1054, err_msg=0x29746a2 "Unknown column 'table3.col_enum_utf8_key' in 'field list'", sql_state=0x29748a8 "42S22") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:573
        _db_stack_frame_ = {
          func = 0xcd1288 "Protocol::end_statement", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a40b120
        }
        retval = <optimized out>
#9  0x000000000067f93a in Protocol::end_statement (this=0x2971570) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:501
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a40bbf0
        }
        __PRETTY_FUNCTION__ =           "void Protocol::end_statement()"
        error = false
#10 0x0000000000727bb9 in dispatch_command (command=<optimized out>, thd=0x2971040, packet=<optimized out>, packet_length=496) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1770
        net = 0x29712a0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a40bce0
        }
#11 0x0000000000729a47 in do_command (thd=0x2971040) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2974fd0 "B"
        packet_length = <optimized out>
        net = 0x29712a0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#12 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2971040
#13 0x00000000006ed727 in handle_one_connection (arg=0x2971040) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2971040
#14 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2971040
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#15 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#16 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 48 (LWP 25055):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a58d260, mutex=0x2940bd8, that=0x2940c08) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x2940bd8, owner=0x2940aa0, abs_timeout=0x7f5e8a58d260, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x2940bd8, mdl_request=0x7f5e540606e8, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e54013d70
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 884593000
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x2940bd8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e54027710
        p_req = 0x7f5e54027718
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x2940aa0, tables_start=0x7f5e54004fd0, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a58d370
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e54048ef0 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e540606e8, 
          prev_in_list = 0x7f5e8a58d5a8, 
          ticket = 0x7f5e5404cb70, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\000\327X\212^\177\000\000\300\323X\212^\177\000\000\370\264\306\000\000\000\000\000\360\324X\212^\177\000\000\370\323X\212^\177\000\000\344b\315\000\000\000\000\000\240XN\001\000\000\000\000.\000\000\000\000\000\000\000\220\324X\212^\177\000\000\\\326X\212^\177\000\000\220\324X\212^\177\000\000\060\324X\212^\177\000\000\277\267\226\000\000\000\000\000\070`\000T^\177\000\000Fn\230\000\000\000\000\000\060\324X\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\337\b\000\000\000\000\000\000\060]\000Tm$\000\000\a\000\000\200\v\000\000\000Hp\315\000\000\000\000\000\200\324X\212^\177\000\000?8\343\f\000\000\000\000\220\203~\002\000\000\000\000\\\326X\212^\177\000\000\240XN\001\000\000\000\000.\000\000\000\000\000\000\000root\000test\000table1&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\320\324X\212^\177\000\000\370\264\306\000\000\000\000\000\240\n\224\002\000\000\000\000&\360\316\000\000\000\000\000\060\325X\212^\177\000\000\264\302\306", '\000' <repeats 13 times>, "P\325X\212^\177\000\000p\001\000\000\v\000\000\000&\360\316", '\000' <repeats 13 times>, "P\325X\212^\177\000\000\b%\224\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000006ca2c3 in open_tables (thd=0x2940aa0, start=0x7f5e8a58d778, counter=0x2942f20, flags=0, prelocking_strategy=0x7f5e8a58d7b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
        table = <optimized out>
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a58d780
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8a58d778
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x2942f00
        tables = <optimized out>
        error = false
#7  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e54004fd0, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xcfb799 "mysql_create_view", 
          file = 0xcfb458 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a590310
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#8  0x00000000007a316c in mysql_create_view (thd=0x2940aa0, views=0x7f5e54004fd0, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
        lex = 0x2942e68
        view = 0x7f5e54004fd0
        sl = <optimized out>
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a590fe0
        }
        __PRETTY_FUNCTION__ =           "bool mysql_create_view(THD*, TABLE_LIST*, enum_view_create_mode)"
        tbl = <optimized out>
        __FUNCTION__ =           "mysql_create_view"
        link_to_local = <optimized out>
        tables = 0x7f5e54005790
        select_lex = 0x2943578
        unit = 0x2942f30
#9  0x0000000000721ac6 in mysql_execute_command (thd=0x2940aa0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
        res = 0
        lex = 0x2942e68
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a5910d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 10, 
            has_disabled_I_S = 148, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a590fd0 "0\020Y\212^\177", 
            previous_key =               "\240\n\224\002\000\000\000\000\360\017Y\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 15, 
            has_disabled_I_S = 89, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x7f5e54060180 "2243362816", 
            previous_key =               "\n\000\000\000\000\000\000\000\060l\000T^\177\000\000\002\000\000\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x2942e48, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x2943578
        first_table = 0x7f5e54004fd0
        all_tables = 0x7f5e54004fd0
        unit = 0x2942f30
        have_table_map_for_update = false
#10 0x0000000000727818 in mysql_parse (thd=0x2940aa0, rawbuf=0x2942e68 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x2942e68
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a591bf0
        }
        start_usecs = 1373676108883915
        end_usecs = 0
        start_cpu_nsecs = 304158544
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 883915
        }
        end_time = {
          tv_sec = 43256480, 
          tv_usec = 140043112959056
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 304158544
        }
#11 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2940aa0, packet=0x2944a31 "CREATE OR REPLACE VIEW transforms.view_25054_probe AS  SELECT X . `col_enum_utf8_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table100_key_pk_parts_2_int_autoinc` AS Y USING ( `col_char_255_latin1_key_default_null` ) WHERE X . `col_int_not_null` BETWEEN 90 AND 2243362816 LIMIT 6 /*Generated by THREAD_ID 3*/ ", packet_length=336) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e54004d9f ""
        parser_state = {
          m_lip = {
            m_thd = 0x2940aa0, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e8a590f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e54004da0 "\004", 
            m_tok_start = 0x7f5e54004da0 "\004", 
            m_tok_end = 0x7f5e54004da0 "\004", 
            m_end_of_query = 0x7f5e54004d9f "", 
            m_tok_start_prev = 0x7f5e54004d9f "", 
            m_buf = 0x7f5e54004c50 "CREATE OR REPLACE VIEW transforms.view_25054_probe AS  SELECT X . `col_enum_utf8_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table100_key_pk_parts_2_int_autoinc` AS Y USING ( `col_char_255_latin1_key_default_null` ) WHERE X . `col_int_not_null` BETWEEN 90 AND 2243362816 LIMIT 6 /*Generated by THREAD_ID 3*/", 
            m_buf_length = 335, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e54004e08 "CREATE OR REPLACE VIEW transforms.view_25054_probe AS  SELECT X . `col_enum_utf8_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table100_key_pk_parts_2_int_autoinc` AS Y USING ( `col_char_255_latin1_key_default_null` ) WHERE X . `col_int_not_null` BETWEEN 90 AND 2243362816 LIMIT 6 /*Generated by THREAD_ID 3*/", 
            m_cpp_ptr = 0x7f5e54004f57 "", 
            m_cpp_tok_start = 0x7f5e54004f57 "", 
            m_cpp_tok_start_prev = 0x7f5e54004f57 "", 
            m_cpp_tok_end = 0x7f5e54004f57 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e54004f39 "6 /*Generated by THREAD_ID 3*/", 
            m_cpp_text_end = 0x7f5e54004f3a " /*Generated by THREAD_ID 3*/", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2940d00
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a591ce0
        }
#12 0x0000000000729a47 in do_command (thd=0x2940aa0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2944a30 "\003CREATE OR REPLACE VIEW transforms.view_25054_probe AS  SELECT X . `col_enum_utf8_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table100_key_pk_parts_2_int_autoinc` AS Y USING ( `col_char_255_latin1_key_default_null` ) WHERE X . `col_int_not_null` BETWEEN 90 AND 2243362816 LIMIT 6 /*Generated by THREAD_ID 3*/ "
        packet_length = <optimized out>
        net = 0x2940d00
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#13 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2940aa0
#14 0x00000000006ed727 in handle_one_connection (arg=0x2940aa0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2940aa0
#15 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x2940aa0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 47 (LWP 24675):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=1, array=0x240a4d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 256
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e99288000
        end_pos = 512
        events = 0x240c780
#2  os_aio_linux_handle (global_seg=7, message1=0x7f5e8c457d98, message2=0x7f5e8c457d90, type=0x7f5e8c457d88, space_id=0x7f5e8c457d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 1
        array = 0x240a4d0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=7) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 7
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 46 (LWP 24669):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=0, array=0x23eef70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992c0000
        end_pos = 256
        events = 0x23faa00
#2  os_aio_linux_handle (global_seg=1, message1=0x7f5e9005dd98, message2=0x7f5e9005dd90, type=0x7f5e9005dd88, space_id=0x7f5e9005dd80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 0
        array = 0x23eef70
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=1) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 1
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 45 (LWP 24666):
+bt full
#0  0x000000340c4df253 in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00000000005a37ca in handle_connections_sockets () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:6243
        is_unix_sock = <optimized out>
        vio_type = 4294967295
        vio_flags = <optimized out>
        sock = {
          fd = 13, 
          m_psi = 0x0
        }
        retval = <optimized out>
        fds =           {[0] = {
            fd = 13, 
            events = 1, 
            revents = 0
          },
          [1] = {
            fd = 14, 
            events = 1, 
            revents = 0
          },
          [2] = {
            fd = 21049768, 
            events = 0, 
            revents = 0
          }}
        extra_ip_flags = <optimized out>
        flags = 2
        pfs_fds =           {[0] = {
            fd = 13, 
            m_psi = 0x0
          },
          [1] = {
            fd = 14, 
            m_psi = 0x0
          },
          [2] = {
            fd = 796264416, 
            m_psi = 0x7fff2f76283b
          }}
        new_sock = <optimized out>
        error_count = 0
        thd = <optimized out>
        cAddr = {
          ss_family = 10, 
          __ss_align = 0, 
          __ss_padding =             "\000\000\377\377\177\000\000\001", '\000' <repeats 16 times>, "\207~7\002\000\000\000\000\002\000\000\000\000\000\000\000`\av/\377\177\000\000\340\006v/\377\177\000\000aKg\000\000\000\000\000 \av/\377\177\000\000w\353f\000\000\000\000\000\266\t\000\000\002\000\000\000@\av/\377\177\000\000\207~7\002\000\000\000\000@\av/\377\177\000"
        }
        ip_flags = <optimized out>
        socket_flags = <optimized out>
        vio_tmp = <optimized out>
        socket_count = 2
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#2  0x00000000005aac1b in mysqld_main (argc=49, argv=0x22ce148) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:5658
        ho_error = <optimized out>
#3  0x000000340c41ecdd in __libc_start_main () from /lib64/libc.so.6
No symbol table info available.
#4  0x000000000059b851 in _start ()
No symbol table info available.

Thread 44 (LWP 24698):
+bt full
#0  0x0000000000c7ce70 in my_strnncollsp_mb_bin (cs=<optimized out>, a=0x7f5e7c14c563 "ln_diff_pfx02f_pagesageses", a_length=24, b=0x7f5e91c1c8b8 "ln_diff_pfx02", b_length=24, diff_if_only_endspace_difference=0 '\000') at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/strings/ctype-mb.c:538
        end = 0x7f5e7c14c564 "n_diff_pfx02f_pagesageses"
        length = 24
#1  0x00000000009f67d8 in innobase_mysql_cmp (mysql_type=<optimized out>, charset_number=<optimized out>, a=0x7f5e7c14c54c "col_int_key_default_nulln_diff_pfx02f_pagesageses", a_length=24, b=0x7f5e91c1c8a1 "col_int_key_default_nulln_diff_pfx02", b_length=24) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:5484
        charset = <optimized out>
        mysql_tp = <optimized out>
        ret = <optimized out>
        __PRETTY_FUNCTION__ =           "int innobase_mysql_cmp(int, uint, const unsigned char*, unsigned int, const unsigned char*, unsigned int)"
#2  0x0000000000a9a911 in cmp_whole_field (mtype=<optimized out>, prtype=5439759, a=0x7f5e7c14c54c "col_int_key_default_nulln_diff_pfx02f_pagesageses", a_length=<optimized out>, b=<optimized out>, b_length=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/rem/rem0cmp.cc:296
        f_2 = 0
        d_2 = 0
        f_1 = 0
        d_1 = 0
        swap_flag = 1
#3  0x0000000000a9c9b4 in cmp_rec_rec_with_match (rec1=0x7f5e7c14c522 "testtable1_key_pk_parts_2_int_autoinc#P#p0col_int_key_default_nulln_diff_pfx02f_pagesageses", rec2=0x7f5e91c1c877 "testtable1_key_pk_parts_2_int_autoinc#P#p0col_int_key_default_nulln_diff_pfx02", offsets1=<optimized out>, offsets2=<optimized out>, index=0x7f5e7c05ddc8, nulls_unequal=0, matched_fields=0x7f5e8a60db40, matched_bytes=0x7f5e8a60db38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/rem/rem0cmp.cc:1245
        mtype = 12
        prtype = 5439759
        rec1_n_fields = 4
        rec1_b_ptr = <optimized out>
        rec2_f_len = <optimized out>
        rec2_byte = <optimized out>
        cur_bytes = <optimized out>
        rec2_n_fields = 4
        rec2_b_ptr = <optimized out>
        cur_field = 2
        ret = 0
        comp = 2147483648
        rec1_f_len = 24
        rec1_byte = <optimized out>
#4  0x0000000000b607c7 in cmp_rec_rec (index=0x7f5e7c05ddc8, offsets2=<optimized out>, offsets1=0x7f5e7c059e08, rec2=<optimized out>, rec1=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/include/rem0cmp.ic:185
        match_f = 0
        match_b = 0
#5  btr_pcur_restore_position_func (latch_mode=<optimized out>, cursor=0x7f5e7c0df518, file=0xde83a0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc", line=<optimized out>, mtr=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/btr/btr0pcur.cc:314
        offsets1 = 0x7f5e7c059e08
        offsets2 = <optimized out>
        heap = 0x7f5e7c059d90
        index = 0x7f5e7c05ddc8
        tuple = <optimized out>
        mode = <optimized out>
        old_mode = <optimized out>
#6  0x0000000000aeba9b in row_sel_restore_pcur_pos (mtr=0x7f5e8a60dc30, plan=0x7f5e7c0df508) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:1117
        equal_position = <optimized out>
        relative_position = 1
#7  row_sel (node=0x7f5e7c0dee60, thr=0x7f5e7c0e0d38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:1464
        old_vers = 0x0
        cons_read_requires_clust_rec = <optimized out>
        err = <optimized out>
        heap = 0x0
        index = 0x7f5e7c05ddc8
        plan = 0x7f5e7c0df508
        clust_rec = 0x7f5e7c0e04b0 "\022"
        must_go_to_next = 108
        mtr_has_extra_clust_latch = 0
        found_flag = 108
        mtr = {
          state = 12231, 
          memo = {
            heap = 0x0, 
            used = 16, 
            data =               "\001\000\000\000\000\000\000\000\200\226\342\220^\177\000\000\001", '\000' <repeats 15 times>, "\305s\266\221^\177\000\000\260\334`\212^\177\000\000\330g\237\000\000\000\000\000\260\334`\212^\177\000\000\261l*|^\177\000\000\017\001S\000\000\000\000\000\003\000\000\000\000\000\000\000d\344\335", '\000' <repeats 13 times>, "\020\335`\212^\177\000\000\021\251\251\000\000\000\000\000\000\000\000\000^\177\000\000\006\000\000\000\000\000\000\000p\335`\212^\177\000\000\062\360\251", '\000' <repeats 13 times>, "\001", '\000' <repeats 15 times>, "\004\000\000\000\000\000\000\000\f\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\340\335`\212^\177\000\000\264ɩ\000\000\000\000\000h\227\317\000\000\000\000\000Fn\230\000\000\000\000\000P\335`\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000h\227\317\000\000\000\000\000Г\317\000\000\000\000\000\v\000\000\200\000\000\000\000\220\367`\212^\177\000\000\240\335`\212^\177\000\000\000\000\000\000\000\000\000\000\220\005\223\002\000\000\000\000\000]N\001\000\000\000\000\220\005\223\002\000\000\000\000\300\306\060|^\177\000\000\020\370`\212^\177\000\000\343+y\000\000\000\000\000\337\367`\212^\177\000\000\274\351\333\000\000\000\000\000x\b\000\000\000\000\000\000\220\345\034|^\177\000\000\240\357\031|^\177\000\000\020\336`\212^\177\000\000h\203\017|^\177\000\000'\000\000\000\000\000\000\000`\336`\212\063\060\067\062\353\357\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000\000\016\000\000\200\000\000\000\000\020\361`\212^\177\000\000(\000\000\000\060\000\000\000\240\341`\212^\177\000\000\340\340`\212^\177\000", 
            base = {
              count = 9989702, 
              start = 0x7f5e8a60de70, 
              end = 0xc6b4f8 <code_state+56>
            }, 
            list = {
              prev = 0x7f5e8a60f160, 
              next = 0xba0
            }, 
            buf_end = 0, 
            magic_n = 375767
          }, 
          log = {
            heap = 0x0, 
            used = 0, 
            data =               "\016\000\000\200\000\000\000\000\361l\332\000\000\000\000\000\210\316\060|^\177\000\000\310\335\005|^\177\000\000`\366\r|^\177\000\000\000\000\000\000\000\000\000\000h\362\r|^\177\000\000\b\365\r|^\177\000\000 \337`\212^\177\000\000\220i\277\000\000\000\000\000@\341`\212^\177\000\000h\362\r|^\177\000\000\r\000\000\200\000\000\000\000\310\335\005|^\177\000\000`\366\r|^\177\000\000\000\000\000\000\000\000\000\000P\363\r|^\177\000\000\b\365\r|^\177\000\000p\337`\212^\177\000\000\244h\277\000\000\000\000\000`\337`\212^\177\000\000Gm\277\000\000\000\000\000\001\000\000\000\000\000\000\000\310\335\005|^\177\000\000\200\337`\212^\177\000\000\210U\251\000\000\000\000\000\220\337`\212^\177\000\000@\v\016|^\177\000\000\240\337`\212^\177\000\000\361=\277\000\000\000\000\000P\"T\001\000\000\000\000`\361\340\000\000\000\000\000`\351\340\000\000\000\000\000\340\354\340\000\000\000\000\000\320\337`\212^\177\000\000\266?\277\000\000\000\000\000`\361\340\000\000\000\000\000`\351\340\000\000\000\000\000h\"T\001\000\000\000\000`\361\340\000\000\000\000\000\260\340`\212^\177\000\000%R\277\000\000\000\000\000\020\340`\212^\177\000\000\240\002\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\342\340\000\000\000\000\000\200\374\340\000\000\000\000\000\340\355\340\000\000\000\000\000`\361\340\000\000\000\000\000\340\355\340\000\000\000\000\000\000\342\340\000\000\000\000\000\200\374\340\000\000\000\000\000`\340`\212\000\000\000\000\001\000\000\000\000\000\000\000\300\330\r|", '\000' <repeats 12 times>, "\002\372{\002\000\000\000\000\340\337\340\000\000\000\000\000H\"T\001\000\000\000\000\001\372{\002\000\000\000\000\001\000\000\000\000\000\000\000\070\r\016|^\177\000\000\260\340`\212^\177\000\000\062\347`\212^\177\000", 
            base = {
              count = 140044025258232, 
              start = 0xe10a20 <_ZL6yypact>, 
              end = 0x7f5e8a60e730
            }, 
            list = {
              prev = 0xe10e60 <_ZL7yycheck>, 
              next = 0x7f5e8a60e8f0
            }, 
            buf_end = 0, 
            magic_n = 375767
          }, 
          inside_ibuf = 0, 
          modifications = 0, 
          made_dirty = 0, 
          n_log_recs = 0, 
          n_freed_pages = 0, 
          log_mode = 21, 
          start_lsn = 2, 
          end_lsn = 140043787226760, 
          magic_n = 54551
        }
        moved = <optimized out>
        consistent_read = 1
        cost_counter = 0
        rec = <optimized out>
        search_latch_locked = 0
        cursor_just_opened = <optimized out>
        offsets_ =           {[0] = 100,
          [1] = 10,
          [2] = 140044149049463,
          [3] = 140043784412616,
          [4] = 2147483659,
          [5] = 4,
          [6] = 42,
          [7] = 66,
          [8] = 78,
          [9] = 84,
          [10] = 91,
          [11] = 95,
          [12] = 103,
          [13] = 111,
          [14] = 138,
          [15] = 140043784263544,
          [16] = 2905456488230306134,
          [17] = 5714540338487963699,
          [18] = 5476461037614932052,
          [19] = 11590400,
          [20] = 140044025260112,
          [21] = 41506728,
          [22] = 140044025259248,
          [23] = 12255589,
          [24] = 2905456488230306134,
          [25] = 5714540338487963699,
          [26] = 5476461037614932052,
          [27] = 12255744,
          [28] = 140044025259936,
          [29] = 140044025260000,
          [30] = 140044025259312,
          [31] = 11590481,
          [32] = 22282096,
          [33] = 41506728,
          [34] = 140044025259344,
          [35] = 12254493,
          [36] = 0,
          [37] = 0,
          [38] = 140044025259920,
          [39] = 12262669,
          [40] = 140044025260759,
          [41] = 10,
          [42] = 140044025259488,
          [43] = 13015015,
          [44] = 0,
          [45] = 140043785501120,
          [46] = 140043785485480,
          [47] = 140044025261600,
          [48] = 140043784265944,
          [49] = 12,
          [50] = 0,
          [51] = 1,
          [52] = 6,
          [53] = 37140544,
          [54] = 215,
          [55] = 77,
          [56] = 140044025259632,
          [57] = 13016160,
          [58] = 37140544,
          [59] = 13030051,
          [60] = 140041703653378,
          [61] = 5123910281517,
          [62] = 140041703653385,
          [63] = 2,
          [64] = 0,
          [65] = 176,
          [66] = 0,
          [67] = 0,
          [68] = 0,
          [69] = 214748364809,
          [70] = 532575944795,
          [71] = 472446402679,
          [72] = 140044025259648,
          [73] = 0,
          [74] = 128,
          [75] = 140043784028192,
          [76] = 14702416,
          [77] = 11751664,
          [78] = 0,
          [79] = 0,
          [80] = 14702416,
          [81] = 140043785749792,
          [82] = 140044025259792,
          [83] = 10879817,
          [84] = 13357362877574958,
          [85] = 0,
          [86] = 128,
          [87] = 128,
          [88] = 14702416,
          [89] = 140043784947752,
          [90] = 1,
          [91] = 0,
          [92] = 0,
          [93] = 140043785506832,
          [94] = 140044025259856,
          [95] = 12291805,
          [96] = 140044025259952,
          [97] = 11723384,
          [98] = 140043784946864,
          [99] = 61}
        offsets = 0x7f5e8a60e420
#8  0x0000000000aeccfb in row_sel_step (thr=0x7f5e7c0e0d38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:2120
        node = 0x7f5e7c0dee60
        err = <optimized out>
#9  0x0000000000a97698 in que_thr_step (thr=0x7f5e7c0e0d38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1093
        node = 0x7f5e7c0dee60
        old_thr = 0x7f5e7c0e0d38
        trx = 0x18
        type = 6
#10 que_run_threads_low (thr=0x7f5e7c0e0d38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1177
        trx = 0x7f5e7c169008
        next_thr = 0x7f5e7c0e0d38
#11 0x0000000000a97e30 in que_run_threads (thr=0x7f5e7c0e0d38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1218
No locals.
#12 0x0000000000a9816f in que_eval_sql (info=<optimized out>, sql=<optimized out>, reserve_dict_mutex=1, trx=0x7f5e7c169008) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1301
        thr = <optimized out>
        graph = 0x7f5e7c0e0c70
#13 0x0000000000bb6f0f in dict_stats_fetch_from_ps (table=0x7f5e7c163ca8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:2839
        ret = <optimized out>
        table_utf8 =           "table1_key_pk_parts_2_int_autoinc#P#p0\000\000\000\000\000\200\000\000\000\000?(\332\000\000\000\000\000Fn\230\000\000\000\000\000\340\354`\212^\177\000\000\370\264\306\000\000\000\000\000\027\361`\212^\177\000\000?(\332\000\000\000\000\000@\355`\212^\177\000\000\264\302\306\000\000\000\000\000\036\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\240d!|^\177\000\000Fn\230\000\000\000\000\000\060\355`\212^\177\000\000\240d!|^\177\000\000\220@\000L^\177\000\000P\355`\212^\177\000\000\000<T\001\000\000\000\000-\000\000\000\000\000\000\000\220\355`\212^\177\000\000", <incomplete sequence \311>
        index_fetch_arg = {
          table = 0x7f5e7c163ca8, 
          stats_were_modified = true
        }
        trx = 0x7f5e7c169008
        pinfo = 0x7f5e7c136d98
        db_utf8 =           "test\000\000\000\000h\027\334\000\000\000\000\000\017\000\000\200^\177\000\000\060\363`\212^\177\000\000\220\355`\212^\177\000\000\240d!|^\177\000\000\240\355`\212^\177\000\000!۰\000\000\000\000\000\360\355`\212^\177\000\000\250Wy\002\000\000\000\000\300\355`\212^\177\000\000Յ\271\000\000\000\000\000\250Wy\002\000\000\000\000\340\360`\212^\177\000\000\340\355`\212^\177\000\000Q۰\000\000\000\000\000\360\355`\212^\177\000\000Q۰\000\000\000\000\000\000\356`\212^\177\000\000Q۰\000\000\000\000\000\020\356`\212^\177\000\000\250Wy\002\000\000\000\000 \356`\212^\177\000\000\035o\271\000\000\000\000\000"
#14 dict_stats_update (table=0x7f5e7c0730e8, stats_upd_option=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:3041
        t = 0x7f5e7c163ca8
        err = 2321608016
        buf =           '\000' <repeats 16 times>, "\320\064;\001", '\000' <repeats 12 times>, "\330\343`\212^\177\000\000\270\343`\212^\177", '\000' <repeats 19 times>, "\355`\212^\177\000\000\000\200", '\000' <repeats 30 times>, "\220\177\033|^\177\000\000\220\177\033|^\177", '\000' <repeats 11 times>, "\352`\212^\177\000\000\300l\\", '\000' <repeats 17 times>, "B", '\000' <repeats 27 times>, "Fn\230\000\000\000\000\000\240d!|^\177\000\000Fn\230\000\000\000\000\000\340\352`\212^\177\000\000\370\264\306\000\000\000\000\000\060\355`\212^\177\000\000\240d!|^\177\000\000@\355`\212^\177\000\000\243\322\306\000\000\000\000\000\220\177\033|^\177\000\000\220\177\033|)\000\000\000\017\000\000\200\000\000\000\000?(\332\000\000\000\000\000\060\353`\212^\177\000\000\370\264\306\000\000\000\000\000\340jN\001\000\000\000\000&\001\000\000\000\000\000\000\220\355`\212^\177\000\000\243\322\306\000\000\000\000\000\070\353`\212^\177\000\000\000\000\000\000B\000\000\000\017\000\000\200\000\000\000\000\361l\332\000\000\000\000\000`\362`\212^\177\000\000P\362`\212^\177\000\000\002\000\000\000\000\000\000\000\220\363`\212^\177\000\000\231X\327\000\000\000\000\000\347CD\f4\000\000\000\231X\327", '\000' <repeats 13 times>, "\001\000\000\000\000\000\000\000\340jN\001\000\000\000\000\250\353`\212^\177", '\000' <repeats 22 times>, "\274;\263\274@\361`\212^\177\000\000\320\353`\212^\177\000\000\226X\327", '\000' <repeats 29 times>, "\254\361`\212^\177\000\000\310\361`\212^\177\000\000\000\000\000\000\000\000\000\000\350\361`\212^\177", '\000' <repeats 27 times>, "\373\\\240^\177", '\000' <repeats 14 times>, "\001\000\000\000\000\000\000\000\027\361`\212\060\355`\212^\177\000\000\377\377\377\377\377\377\377\377\240\361`\212^\177", '\000' <repeats 15 times>
#15 0x0000000000a0c5b5 in dict_stats_init (table=0x7f5e7c0730e8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/include/dict0stats.ic:174
        opt = <optimized out>
#16 ha_innobase::open (this=0x7f5e7c135000, name=0x7f5e8a60f440 "./test/table1_key_pk_parts_2_int_autoinc#P#p0", mode=<optimized out>, test_if_locked=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:5124
        ib_table = 0x7f5e7c0730e8
        par_case_name_set = <optimized out>
        ignore_err = DICT_ERR_IGNORE_NONE
        norm_name =           "test/table1_key_pk_parts_2_int_autoinc#P#p0\000\366\000\000\000`r\000|^\177\000\000Fn\230\000\000\000\000\000@\361`\212^\177\000\000\370\264\306\000\000\000\000\000P\361`\212^\177\000\000`r\000|^\177\000\000\240\363`\212^\177\000\000\243\322\306\000\000\000\000\000\340\314\341\000\000\000\000\000\200\277\341\000R\f\000\000\r\000\000\200\000\000\000\000\270\314\341\000\000\000\000\000 \000\000\000\000\000\000\000\020\000\000\000\000\000\000\000(\000\000\000\002\000\000\000\340\361`\212^\177\000\000\240\361`\212^\177\000\000\320\350.|^\177\000\000\002\000\000\000\000\000\000\000\370\064!|^\177\000\000\375\265\327\000\000\000\000\000\024\320\060|^\177\000\000\000\000\000\000\000\000\000\000\300\"\035|^\177\000\000\000\364`\212^\177\000\000\273'\214\000\000\000\000\000\320\350.|^\177\000\000\000\363`\212^\177\000\000\003\000\000\000\000\000\000\000(\022\032|^\177\000\000 \362`\212^\177\000\000\361\267\226\000\000\000\000\000\320\350.|^\177\000\000\377\377\377\377\000\000\000\000\340\362`\212^\177\000\000iŖ\000\000\000\000\000\002\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\361l\332\000\000\000\000\000Fn\230\000\000\000\000\000\004\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\200\362`\212^\177\000\000\370\264\306\000\000\000\000\000\320\362`\212^\177\000\000\004\000\000\000\000\000\000\000A\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\004\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\300\362`\212^\177\000\000\004\000\000\000\000\000\000\000\340\362`\212^\177\000\000\000\000\000\000\000\000\000\000\bU\327\000\000\000\000\000Fn\230\000\000\000\000\000\360\362`\212^\177\000\000\370\264\306\000\000\000\000"
        thd = 0x2930590
        is_part = <optimized out>
        par_case_name =           "\330\356`\212^\177\000\000\000\000\000\000\000\000\000\000\340jN\001\000\000\000\000\360\356`\212^\177\000\000\000\000\000\000^\177\000\000\340jN\001\000\000\000\000\b\357`\212^\177", '\000' <repeats 18 times>, "\340jN\001\000\000\000\000(\357`\212^\177\000\000\000\000\000\000\000\000\000\000\340jN\001\000\000\000\000@\357`\212^\177\000\000\000\000\000\000^\177\000\000\340jN\001\000\000\000\000 \000\000\000\000\000\000\000Fn\230\000\000\000\000\000\220\357`\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, " \000\000\000\000\000\000\000\360\361`\212^\177\000\000\243\322\306\000\000\000\000\000\300\357`\212^\177\000\000\370\264\306\000B\000\000\000\020\000\000\200\000\000\000\000\361l\332\000\000\000\000\000`\362`\212^\177\000\000Fn\230\000\000\000\000\000\360\357`\212^\177\000\000\370\264\306\000\000\000\000\000\017\000\000\200\000\000\000\000`\362`\212^\177\000\000P\362`\212^\177\000\000\243\322\306\000\000\000\000\000 \360`\212^\177\000\000\370\264\306\000>\000\000\000\017\000\000\200\000\000\000\000\313M\332\000\000\000\000\000\200\362`\212^\177\000\000\243\322\306\000\000\000\000\000(\360`\212^\177\000\000Fn\230\000H\000\000\000\004\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\360`\212^\177\000\000\370\264\306\000\000\000\000\000\200\360`\212^\177\000\000\004\000\000\000\000\000\000\000\320\362`\212^\177\000\000\243\322\306\000\000\000\000\000\340\362`\212^\177\000\000\243\322\306\000B\000\000\000\017\000\000\200\000\000\000\000\361l\332\000\000\000\000\000\220x\000|^\177\000\000Fn\230\000\000\000\000\000\320\360`\212^\177\000\000\370\264\306\000\000\000\000\000\360\204\033|^\177\000\000Fn\230\000\000\000\000\000\360\360`\212^\177\000\000\370\264\306\000\000\000\000"
        _db_stack_frame_ = {
          func = 0xcb4b9a "handler::ha_open", 
          file = 0xcb7588 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc", 
          level = 2147483662, 
          prev = 0x7f5e8a60f3b0
        }
        no_tablespace = <optimized out>
#17 0x00000000005b76fa in handler::ha_open (this=0x7f5e7c135000, table_arg=<optimized out>, name=0x7f5e8a60f440 "./test/table1_key_pk_parts_2_int_autoinc#P#p0", mode=2, test_if_locked=1026) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2478
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xe1be0e "ha_partition::open", 
          file = 0xe1bf80 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc", 
          level = 2147483661, 
          prev = 0x7f5e8a60f640
        }
        __PRETTY_FUNCTION__ =           "int handler::ha_open(TABLE*, const char*, int, int)"
#18 0x0000000000c64e12 in ha_partition::open (this=0x7f5e7c007260, name=0x7f5e7c03bb90 "./test/table1_key_pk_parts_2_int_autoinc", mode=2, test_if_locked=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:3259
        name_buffer_ptr = 0x7f5e7c30d014 "p0"
        file = <optimized out>
        name_buff =           "./test/table1_key_pk_parts_2_int_autoinc#P#p0\000\000\000\v\000\000\200\000\000\000\000f\363\315\000\000\000\000\000\360\364`\212^\177\000\000\376ۗ\000\000\000\000\000\260\364`\212^\177\000\000\200\023\032|^\177\000\000A\271\327\000\000\000\000\000h\303\327\000\000\000\000\000\016\000\000\200^\177\000\000`\365`\212^\177\000\000\r\000\000\200^\177\000\000\001\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\340jN\001\000\000\000\000\001", '\000' <repeats 15 times>, "X%\035|^\177\000\000\000\000\000\000\000\000\000\000\360\204\033|^\177\000\000>X\327\000\000\000\000\000Fn\230\000\000\000\000\000@\365`\212^\177\000\000\370\264\306\000\000\000\000\000\225\266\327\000\000\000\000\000Fn\230\000\000\000\000\000`\365`\212^\177\000\000\370\264\306\000\000\000\000\000p\365`\212^\177\000\000\225\266\327\000\000\000\000\000\300\365`\212^\177\000\000\264\302\306\000\000\000\000\000\320\365`\212^\177\000\000\320\365`\212^\177\000\000\060\316\327\000\000\000\000\000Fn\230\000\000\000\000\000\260\365`\212^\177\000\000\370\264\306\000\000\000\000\000\317\366`\212^\177\000\000\060\316\327\000\000\000\000\000\020\366`\212^\177\000\000\264\302\306\000\000\000\000\000\071\a\000\000\000\000\000\000Fn\230", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\000\366`\212^\177\000\000\000\000\000\000\000\000\000\000\300\306\060|^\177\000\000\220\005\223\002\000\000\000\000\232K\313\000\000\000\000\000Fn\230\000\000\000\000\000\060\366`\212^\177\000\000\370\264\306\000\000\000\000\000@\366`\212^\177\000\000\232K\313\000\000\000\000\000\220\366`\212^\177\000\000\264\302\306\000\000\000\000"
        check_table_flags = <optimized out>
        __PRETTY_FUNCTION__ =           "virtual int ha_partition::open(const char*, int, uint)"
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xcb4b9a "handler::ha_open", 
          file = 0xcb7588 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc", 
          level = 2147483660, 
          prev = 0x7f5e8a60f6b0
        }
#19 0x00000000005b76fa in handler::ha_open (this=0x7f5e7c007260, table_arg=<optimized out>, name=0x7f5e7c03bb90 "./test/table1_key_pk_parts_2_int_autoinc", mode=2, test_if_locked=2) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2478
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xd09236 "open_table_from_share", 
          file = 0xd095a0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/table.cc", 
          level = 2147483659, 
          prev = 0x7f5e8a60f7b0
        }
        __PRETTY_FUNCTION__ =           "int handler::ha_open(TABLE*, const char*, int, int)"
#20 0x00000000007c24cc in open_table_from_share (thd=0x2930590, share=<optimized out>, alias=<optimized out>, db_stat=39, prgflag=<optimized out>, ha_open_flags=0, outparam=0x7f5e7c30c6c0, is_create_table=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/table.cc:2318
        ha_err = <optimized out>
        records = <optimized out>
        error_reported = false
        record = <optimized out>
        _db_stack_frame_ = {
          func = 0xce3776 "open_table", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483658, 
          prev = 0x7f5e8a60fef0
        }
        __PRETTY_FUNCTION__ =           "int open_table_from_share(THD*, TABLE_SHARE*, const char*, uint, uint, uint, TABLE*, bool)"
        bitmaps = 0x7f5e7c1a13a8 ""
        error = 2
        i = <optimized out>
        bitmap_size = 12
        field_ptr = <optimized out>
#21 0x00000000006c6fb4 in open_table (thd=0x2930590, table_list=0x7f5e7c1a39e0, ot_ctx=0x7f5e8a610010) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:3082
        table = 0x7f5e7c30c6c0
        key = 0x7f5e7c1a3da5 "test"
        alias = 0x7f5e7c1a39b8 "table1_key_pk_parts_2_int_autoinc"
        flags = 0
        _db_stack_frame_ = {
          func = 0xcd9533 "open_and_process_table", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483657, 
          prev = 0x7f5e8a610060
        }
        __PRETTY_FUNCTION__ =           "bool open_table(THD*, TABLE_LIST*, Open_table_context*)"
        mdl_ticket = 0x7f5e7c1a5e30
        key_length = 39
        error = <optimized out>
        share = 0x7f5e7c03b840
        hash_value = 1432476465
#22 0x00000000006ca9ec in open_and_process_table (ot_ctx=0x7f5e8a610010, has_prelocking_list=false, prelocking_strategy=0x7f5e8a611ba0, flags=0, counter=0x7f5e8a611bb8, tables=0x7f5e7c1a39e0, lex=0x2932958, thd=0x2930590) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
        error = <optimized out>
        safe_to_ignore_table = false
        _db_stack_frame_ = {
          func = 0xcd94d9 "open_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483656, 
          prev = 0x7f5e8a610080
        }
#23 open_tables (thd=0x2930590, start=0x7f5e8a6101a8, counter=0x7f5e8a611bb8, flags=0, prelocking_strategy=0x7f5e8a611ba0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcf612e "mysql_alter_table", 
          file = 0xcf6488 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a611b60
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8a6101a8
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = true
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x29329f0
        tables = <optimized out>
        error = false
#24 0x000000000077f8cc in mysql_alter_table (thd=0x2930590, new_db=0x7f5e7c01b600 "test", new_name=0x0, create_info=0x7f5e8a612190, table_list=0x7f5e7c1a39e0, alter_info=0x7f5e8a612270, order_num=0, order=0x0, ignore=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7841
        __PRETTY_FUNCTION__ =           "bool mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, uint, ORDER*, bool)"
        partition_changed = <optimized out>
        old_db_type = <optimized out>
        copied = <optimized out>
        key_count = <optimized out>
        table_kind = <optimized out>
        alter_ctx = {
          datetime_field = 0x0, 
          error_if_not_empty = false, 
          tables_opened = 1, 
          db = 0x7f5e7c1a3768 "test", 
          table_name = 0x7f5e7c1a31b0 "table1_int_autoinc", 
          alias = 0x7f5e7c1a31b0 "table1_int_autoinc", 
          new_db = 0x7f5e7c1a3768 "test", 
          new_name = 0x7f5e7c1a31b0 "table1_int_autoinc", 
          new_alias = 0x7f5e7c1a31b0 "table1_int_autoinc", 
          tmp_name =             "#sql-605a_9\000\000\000\000\000\350\177\037|^\177\000\000\060\002a\212^\177\000\000\270\032\223\002\000\000\000\000\022\000\000\000\000\000\000\000p\002a\212^\177\000\000\302D\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000", 
          fk_error_if_delete_row = false, 
          fk_error_id = 0x0, 
          fk_error_table = 0x0, 
          new_filename =             "./test/table1_int_autoinc.frm\000int_autoinc.frm", '\000' <repeats 11 times>, "\300\002a\212^\177\000\000\274˸", '\000' <repeats 13 times>, "\260\aa\212^\177\000\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000@\003a\212^\177\000\000\243\265\251\000\000\000\000\000\b\va\212^\177\000\000\346\035\353\221^\177\000\000\001\000\000\000\000\000\000\000\b\376$\024^\177\000\000\260\322>\006\003\005\000\000\270\aa\212^\177\000\000P{%\024^\177\000\000\030\000\000\000\000\000\000\000@\003a\212^\177\000\000\000\000\000\000\000\000\000\000\260\aa\212^\177\000\000\000\000\000\000\000\000\000\000\001", '\000' <repeats 15 times>, "\360\003a\212^\177\000\000\276\274\251\000\000\000\000\000p\003a\212^\177\000\000\004\000\000\000\000\000\000\000\367\ba\212^\177\000\000Fn\230\000\000\000\000\000\220\003a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\367\ba\212^\177\000\000Fn\230\000\000\000\000\000\320\003a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\232\256\300\f4\000\000\000\243\322\306\000\343\000\000\000\020\000\000\200\002\000\000\000\302K\332\000\000\000\000\000\020\000\000\200\002\000\000\000-)\332", '\000' <repeats 13 times>, "\364?\353\221^\177\000\000\000@\000\000\000\000\000\000\270\017a\212^\177\000\000\060\326\343\220^\177\000\000\260\017a\212^\177\000\000\002", '\000' <repeats 15 times>, "\b\va\212^\177\000\000\030", 
          new_alias_buff =             "\376\f|^\177\000\000\000\va\212^\177\000\000\000\000\000\000\000\000\000\000\370\na\212^\177\000\000\070\024A\001\000\000\000\000p\000\353\221^\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000(s |^\177\000\000P\005a\212^\177\000\000\276\274\251\000\000\000\000\000\001\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000\360\004a\212^\177\000\000C\375\246\000\000\000\000\000\000@\301\221^\177\000\000\000\200\000\000\000\000\000\000~@\301\221^\177\000\000\000@\000\000\000\000\000\000P\005a\212^\177\000\000\303\a\247\000\000\000\000\000h\fa\212^\177\000\000~@\301\221^\177\000\000\001\000\000\000\000\000\000\000\360r |^\177\000\000P\005a\212^\177\000\000\311\004\247\000\000\000\000\000~@\301\221^\177\000\000\360r |^\177\000\000~@\301\221^\177\000\000~@\301\221^\177\000\000\030>\223\002\000\000\000\000Fn\230\000\000\000\000\000\200\005a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\340\a\000\000\000\000\000\000Fn\230\000\367\000\000\000\021\000\000\200\002\000\000\000WP\332", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\264\302\306\000B\000\000\000\022\000\000\200\002\000\000\000\361l\332\000\000\000\000\000\030>\223\002\000\000\000\000Fn\230\000\000\000\000\000 \006a\212^\177\000\000\370\264\306\000\000\000\000\000\060\006a\212^\177\000\000\030>\223\002\000\000\000\000\200\ba\212^\177\000\000\243\322\306\000\000\000\000\000\220\ba\212^\177\000\000\243\322\306\000\367\000\000\000\021\000\000\200\002\000\000\000WP\332\000\000\000\000\000\021\000\000\200\002\000\000\000", <incomplete sequence \324>, 
          path =             "./test/table1_int_autoinc\000s_2_int_autoinc\000\000\177\000\000\243\322\306\000(\002\000\000\021\000\000\200\002\000\000\000!\030\316\000\000\000\000\000\017\000\000\200\002\000\000\000\346K\332\000\000\000\000\000\220\005\223\002\000\000\000\000Fn\230\000\000\000\000\000\340\006a\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\232\256\300\f4\000\000\000\243\322\306\000i\005\000\000\020\000\000\200\002\000\000\000\252\364\315\000\000\000\000\000\017\000\000\200\002\000\000\000-)\332\000\000\000\000\000\260\na\212^\177\000\000 \000\000|^\177\000\000\060\na\212^\177\000\000Fn\230\000\000\000\000\000`\aa\212^\177\000\000\370\264\306\000\000\000\000\000WP\332\000\000\000\000\000\060\na\212^\177\000\000\300\ta\212^\177\000\000\243\322\306\000\000\000\000\000\220\aa\212^\177\000\000\370\264\306\000\333\f\000\000\017\000\000\200\002\000\000\000I\254\312\000\000\000\000\000\060\fa\212^\177\000\000Fn\230\000\000\000\000\000\300\aa\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\250\061A\001\000\000\000\000\030>\223\002\272\000\000\000\016\000\000\200\002\000\000\000.b\332\000\000\000\000\000\020\ba\212^\177\000\000\270\371\070|^\177\000\000\252\364\315\000\000\000\000\000\060\370\315\000\000\000\000\000\021\000\000\200^\177\000\000`\ta\212^\177\000\000\200\ba\212^\177\000\000\060\370\070|^\177\000\000%\000\000\000\000\000\000\000\060\na\212^\177\000\000\060\na\212^\177\000\000\234W\317\000\000\000\000\000\270\371\070|^\177\000\000\351ݗ", 
          new_path =             "./test/table1_int_autoinc\000s_2_int_autoinc\000\000\000\000\070Fo\000\000\000\000\000\340\a\000\000\000\000\000\000\060\370\070|^\177\000\000\252\364\315\000\000\000\000\000\060\370\070|^\177\000\000\002\000\000\000\000\000\000\000\060\na\212^\177\000\000\360\ba\212^\177\000\000&Go", '\000' <repeats 13 times>, "\030>\223\002\000\000\000\000\060\370\070|^\177\000\000\002\000\000\000\000\000\000\000@\ta\212^\177\000\000\022Ho\000\000\000\000\000\021\000\000\200^\177\000\000`\ta\212z\004\000\000\214\ta\212^\177\000\000\220\005\223\002\000\000\000\000\002\000\000\000\000\000\000\000z\004\000\000\000\000\000\000\060\na\212^\177\000\000\234W\317\000\000\000\000\000\060\na\212^\177\000\000Fn\230\000\000\000\000\000p\ta\212^\177\000\000\370\264\306\000\000\000\000\000I\254\312\000\000\000\000\000\060\na\212^\177\000\000\300\ta\212^\177\000\000\350\271\306\000\000\000\000\000\001\000\000\000^\177\000\000\060\370\070|^\177\000\000\260\ta\212^\177\000\000\060\na\212^\177\000\000\220\005\223\002\000\000\000\000z\004\000\000\000\000\000\000\320\ta\212^\177\000\000\000\000\000\000\000\000\000\000 \na\212^\177\000\000\251\364Y\000\000\000\000\000.b\332\000\000\000\000\000PY\332\000\000\000\000\000\017\000\000\200\000\000\000\000\060\fa\212^\177\000\000 \na\212^\177\000\000\060\fa\212^\177\000\000\060\na\212^\177\000\000z\004", '\000' <repeats 14 times>, "\001\000\000\000\000\000\000\000@\ra\212^\177\000\000,\020\230\000\000\000\000\000Table 'test.smf_themes' doesn't exist\000\000\000\370\264", <incomplete sequence \306>, 
          tmp_path =             "./test/#sql-605a_9\000\000\327\ra\212^\177\000\000Fn\230\000\000\000\000\000\240\na\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\370K\332\000\000\000\000\000Fn\230\000\000\000\000\000\320\017a\212^\177\000\000Fn\230\000\000\000\000\000\340\na\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\370K\332\000\000\000\000\000\210K\332\000\233\n\000\000\r\000\000\200\002\000\000\000\020\222\320\000\000\000\000\000\060\va\212^\177\000\000f\245\227\000\000\000\000\000\025\000\000\000\000\000\000\000Fn\230\000\000\000\000\000P\va\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\360\016a\212^\177\000\000Fn\230\000\272\001\000\000\r\000\000\200\002\000\000\000\aL\332\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\340\a\000\000\000\000\000\000\060\370\070|\233\000\000\000\360\016a\212^\177\000\000Fn\230\000\000\000\000\000\340\va\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\060\370\070|^\177\000\000\002\000\000\000\006\002\000\000\016\000\000\200\v\000\000\000\177\\\317\000\000\000\000\000\020\000\000\200^\177\000\000p\fa\212z\004\000\000\234\fa\212^\177\000\000\220\005\223\002\000\000\000\000\020\222\320\000\000\000\000\000\240\225\320\000\000\000\000\000\016\000\000\200^\177\000\000\320\017a\212^\177\000\000 \000\000\000\060\000\000\000P\ra\212^", 
          tmp_table = false
        }
        alter_prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b19d0 <vtable for Alter_table_prelocking_strategy+16>
          }, <No data fields>}
        data_file =           "WP\332\000\000\000\000\000Fn\230\000\000\000\000\000\270;\223\002\000\000\000\000Fn\230\000\000\000\000\000\020\024a\212^\177\000\000\370\264\306\000\000\000\000\000`\024a\212^\177\000\000\270;\223\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\270;\223\002\000\000\000\000Fn\230\000\000\000\000\000P\024a\212^\177\000\000\270;\223\002\000\000\000\000\200\024a\212^\177\000\000\020\000\000\000\000\000\000\000\250\061A\001\000\000\000\000\270;\223\002\000\000\000\000\320\024a\212^\177\000\000\376ۗ\000\000\000\000\000\000\000\000\000^\177\000\000`\263M\001\000\000\000\000\230\342\326\000\000\000\000\000(\340\326\000\000\000\000\000\v\000\000\200^\177\000\000@\377D\001\000\000\000\000\300\n\223\002\000\000\000\000\016\000\000\000\000\000\000\000\016\000\000\000\000\000\000\000\060f\005|^\177\000\000\060\025a\212^\177\000\000\247\th\000\000\000\000\000\374\024a\212^\177\000\000\300\n\223\002\000\000\000\000R\n\000|^\177\000\000Q\n\000|^\177\000\000\060\025a\212^\177\000\000h\nh\000\000\000\000\000\061\000\315\000\000\000\000\000\060h\005|^\177\000\000\300\n\223\002\000\000\000\000\017\000\000\000\000\000\000\000\320\030a\212^\177\000\000\320\030a\212^\177\000\000\220\025a\212^\177\000\000b{\\\000\000\000\000\000\207 \000\000\v\000\000\000\260\030a\212^\177\000\000K\003\000\000\v\000\000\000\315\023\315\000\000\000\000\000\270;\223\002\000\000\000\000\300\n\223\002\000\000\000\000\340jN\001\000\000\000\000\260\025a\212^\177\000\000\240gA\001\000\000\000\000\320\030a\212^\177\000\000 \031a\212^\177\000\000u\031h\000\000\000\000\000\000&T\001\000\000\000\000\260\030a\212^\177\000\000\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\200d\005|^\177\000\000\350\061\223\002\367\000\000"
        key_info = <optimized out>
        varchar = <optimized out>
        _db_stack_frame_ = {
          func = 0xd777a3 "Sql_cmd_alter_table::execute", 
          file = 0xd777d0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a612330
        }
        table = <optimized out>
        target_mdl_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x12300000000, 
          prev_in_list = 0xb8000000b, 
          ticket = 0xda27b6, 
          key = {
            m_length = 6816, 
            m_db_name_length = 35425, 
            m_ptr =               "^\177\000\000Fn\230\000\000\000\000\000 \030a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000\240\032a\212^\177\000\000\200\032a\212^\177\000\000\243\322\306\000\000\000\000\000P\030a\212^\177\000\000\370\264\306\000v\001\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\030a\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\243\322\306\000\032\027\000\000\006\000\000\200\002\000\000\000!_\315\000\000\000\000\000\v\000\000\200\v\000\000\000\341l\332\000\000\000\000\000\000\266\001|^\177\000\000Fn\230\000\000\000\000\000\340\030a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\000&T\001\000\000\000\000\000\000\000\000\241\025\000\000\006\000\000\200\002\000\000\000v\"\314\000\000\000\000\000\060\031a\212^\177\000\000\370\264\306\000\000\000\000\000\t\000\000\200\v\000\000\000\200\037a\212^\177\000\000\220\033a\212^\177\000\000\243\322\306", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000p\031a\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\220\031a\212^\177", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        no_ha_table = <optimized out>
        backup_name =           "\360\033a\212^\177\000\000\262\233q\000\000\000\000\000\370\035\223\002\000\000\000\000Fn\230\000\000\000\000"
        __FUNCTION__ =           "mysql_alter_table"
        tables_opened = <optimized out>
        mdl_ticket = <optimized out>
        fast_alter_partition = <optimized out>
        new_table = <optimized out>
        deleted = <optimized out>
        error = <optimized out>
        new_db_type = <optimized out>
        index_file =           "\v\000\000\200\v\000\000\000WP\332\000\000\000\000\000\270;\223\002\000\000\000\000Fn\230\000\000\000\000\000\020\026a\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\200\026a\212^\177\000\000\264\302\306\000\367\000\000\000\v\000\000\200\v\000\000\000WP\332\000\000\000\000\000,\023\000\000\v\000\000\000\001\t\317\000\000\000\000\000\300\n\223\002\000\000\000\000Fn\230\000\000\000\000\000\200\026a\212^\177\000\000\370\264\306\000\000\000\000\000\270;\223\002\000\000\000\000\300\n\223\002\000\000\000\000\340\030a\212^\177\000\000\243\322\306\000\000\000\000\000xX\005|^\177\000\000Fn\230\000\066\003\000\000\v\000\000\200\v\000\000\000\262\022\315\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\020\027a\212\000\000\000\000\001\000\000\000\216\n\000\000\v\000\000\200\v\000\000\000\343\363\315\000\000\000\000\000\t\000\000\200\000\000\000\000\320\034a\212^\177\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000\270;\223\002\000\000\000\000Fn\230\000\000\000\000\000@\027a\212^\177\000\000\370\264\306\000\000\000\000\000\177\250\300\f4\000\000\000\270;\223\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\270;\223\002\000\000\000\000Fn\230", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\220\027a\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\"0\002\033\000\000\000\000Fn\230\000\000\000\000\000\300\027a\212^\177\000\000\370\264\306\000\000\000\000\000\300&\016|^\177\000\000\"0\002\033\000\000\000\000 \032a\212^\177\000\000\243\322\306\000\000\000\000"
#25 0x0000000000892ca7 in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x2930590) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
        lex = 0x2932958
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e8a612230
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_NOT_USED, 
          null_bits = 0, 
          options = 0, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alter_info = {
          static ALTER_ADD_COLUMN = 1, 
          static ALTER_DROP_COLUMN = 2, 
          static ALTER_CHANGE_COLUMN = 4, 
          static ALTER_ADD_INDEX = 8, 
          static ALTER_DROP_INDEX = 16, 
          static ALTER_RENAME = 32, 
          static ALTER_ORDER = 64, 
          static ALTER_OPTIONS = 128, 
          static ALTER_CHANGE_COLUMN_DEFAULT = 256, 
          static ALTER_KEYS_ONOFF = 512, 
          static ALTER_CONVERT = 1024, 
          static ALTER_RECREATE = 2048, 
          static ALTER_ADD_PARTITION = 4096, 
          static ALTER_DROP_PARTITION = 8192, 
          static ALTER_COALESCE_PARTITION = 16384, 
          static ALTER_REORGANIZE_PARTITION = 32768, 
          static ALTER_PARTITION = 65536, 
          static ALTER_ADMIN_PARTITION = 131072, 
          static ALTER_TABLE_REORG = 262144, 
          static ALTER_REBUILD_PARTITION = 524288, 
          static ALTER_ALL_PARTITION = 1048576, 
          static ALTER_REMOVE_PARTITIONING = 2097152, 
          static ADD_FOREIGN_KEY = 4194304, 
          static DROP_FOREIGN_KEY = 8388608, 
          static ALTER_EXCHANGE_PARTITION = 16777216, 
          static ALTER_TRUNCATE_PARTITION = 33554432, 
          static ALTER_COLUMN_ORDER = 67108864, 
          drop_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a612270, 
              elements = 0
            }, <No data fields>}, 
          alter_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a612288, 
              elements = 0
            }, <No data fields>}, 
          key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a6122a0, 
              elements = 0
            }, <No data fields>}, 
          create_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a6122b8, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a6122d0, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_info = 0x0, 
          delayed_key_count = 0, 
          flags = 512, 
          keys_onoff = Alter_info::ENABLE, 
          partition_names = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a612300, 
              elements = 0
            }, <No data fields>}, 
          num_parts = 0, 
          requested_algorithm = Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT, 
          requested_lock = Alter_info::ALTER_TABLE_LOCK_DEFAULT
        }
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a612fe0
        }
        __PRETTY_FUNCTION__ =           "virtual bool Sql_cmd_alter_table::execute(THD*)"
        priv = 536870911
        priv_needed = 8192
        select_lex = 0x2933068
        first_table = 0x7f5e7c1a39e0
        result = <optimized out>
#26 0x000000000072102b in mysql_execute_command (thd=0x2930590) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
        res = 0
        lex = 0x2932958
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a6130d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 5, 
            has_disabled_I_S = 147, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a612fd0 "00a\212^\177", 
            previous_key =               "\220\005\223\002\000\000\000\000\360/a\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 47, 
            has_disabled_I_S = 97, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340/a\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x2932938, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x2933068
        first_table = 0x7f5e7c1a39e0
        all_tables = 0x7f5e7c1a39e0
        unit = 0x2932a20
        have_table_map_for_update = false
#27 0x0000000000727818 in mysql_parse (thd=0x2930590, rawbuf=0x2932958 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x2932958
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a613bf0
        }
        start_usecs = 1373676108980343
        end_usecs = 0
        start_cpu_nsecs = 1462976072
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 980343
        }
        end_time = {
          tv_sec = 140044025278768, 
          tv_usec = 20970144
        }
        tp = {
          tv_sec = 1, 
          tv_nsec = 462976072
        }
#28 0x0000000000728a77 in dispatch_command (command=<optimized out>, thd=0x2930590, packet=0x39 <Address 0x39 out of bounds>, packet_length=2080758496) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1449
        beginning_of_next_stmt = 0x7f5e7c05545a "ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS"
        length = <optimized out>
        packet_end = 0x7f5e7c055493 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2930590, 
            yylineno = 1, 
            yytoklen = 33, 
            yylval = 0x7f5e8a612f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e7c055494 "\004", 
            m_tok_start = 0x7f5e7c055494 "\004", 
            m_tok_end = 0x7f5e7c055494 "\004", 
            m_end_of_query = 0x7f5e7c055493 "", 
            m_tok_start_prev = 0x7f5e7c055493 "", 
            m_buf = 0x7f5e7c05545a "ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_buf_length = 57, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e7c0554f8 "ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_cpp_ptr = 0x7f5e7c055531 "", 
            m_cpp_tok_start = 0x7f5e7c055531 "", 
            m_cpp_tok_start_prev = 0x7f5e7c055531 "", 
            m_cpp_tok_end = 0x7f5e7c055531 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e7c055504 "table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_cpp_text_end = 0x7f5e7c055525 " ENABLE KEYS", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29307f0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a613ce0
        }
#29 0x0000000000729a47 in do_command (thd=0x2930590) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2934850 "\a"
        packet_length = <optimized out>
        net = 0x29307f0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#30 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2930590
#31 0x00000000006ed727 in handle_one_connection (arg=0x2930590) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2930590
#32 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x2930590
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#33 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#34 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 43 (LWP 24686):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6eacb in os_cond_wait_timed (abstime=0x7f5e859a1d00, fast_mutex=0x2793e90, cond=0x2793ed0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
        mutex = 0x2793e90
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x2793e90, time_in_usec=<optimized out>, reset_sig_count=17) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
        timed_out = 0
        abstime = {
          tv_sec = 1373676118, 
          tv_nsec = 840214000
        }
#3  0x0000000000bb82e7 in dict_stats_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats_bg.cc:349
No locals.
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 42 (LWP 25093):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e995bd790, mutex=0x239f108, that=0x239f138) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x239f108, owner=0x239efd0, abs_timeout=0x7f5e995bd790, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x239f108, mdl_request=0x7f5e1805edf0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e18026d40
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x28156f0
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 977374000
        }
        wait_status = <optimized out>
#4  0x00000000006bc7b3 in open_table_get_mdl_lock (thd=0x239efd0, ot_ctx=0x7f5e995be1f0, mdl_request=0x7f5e1805edf0, flags=<optimized out>, mdl_ticket=0x7f5e995be0f8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2527
        mdl_deadlock_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1a90 <vtable for MDL_deadlock_handler+16>, 
            m_prev_internal_handler = 0x0
          }, 
          members of MDL_deadlock_handler: 
          m_ot_ctx = 0x7f5e995be1f0, 
          m_is_active = false
        }
        result = <optimized out>
        mdl_request_shared = {
          type = 21049768, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e995bd830, 
          prev_in_list = 0x7f5e180515f0, 
          ticket = 0x0, 
          key = {
            m_length = 12712, 
            m_db_name_length = 321, 
            m_ptr =               '\000' <repeats 12 times>, "\030\361[\231^\177\000\000Fn\230\000\000\000\000\000P\330[\231^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000\030\361[\231^\177\000\000\260\332[\231^\177\000\000\243\322\306\000\000\000\000\000\200\330[\231^\177\000\000\370\264\306\000\367\000\000\000\a\000\000\200\002\000\000\000WP\332\000\000\000\000\000P\244\071\002\000\000\000\000Fn\230\000\000\000\000\000\260\330[\231^\177\000\000\370\264\306\000\000\000\000\000\b\000\000\200\002\000\000\000P\244\071\002\000\000\000\000\020\333[\231^\177\000\000\243\322\306\000\000\000\000\000\340\330[\231^\177\000\000\370\264\306\000\027\001\000\000\r\000\000\200\002\000\000\000\266'\332\000\000\000\000\000\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\264\302\306\000\367\000\000\000\b\000\000\200\002\000\000\000WP\332\000\000\000\000\000\060\331[\231^\177\000\000\370\264\306\000\000\000\000\000\030\361[\231^\177\000\000Fn\230\000\000\000\000\000P\331[\231^\177\000\000\370\264\306\000\000\000\000\000\030\361[\231^\177\000\000\030\361[\231^\177\000\000\260\333[\231^\177\000\000\243\322\306\000\000\000\000\000v7\316\000\000\000\000\000Fn\230\000\000\000\000\000\220\331[\231^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        __PRETTY_FUNCTION__ =           "bool open_table_get_mdl_lock(THD*, Open_table_context*, MDL_request*, uint, MDL_ticket**)"
#5  0x00000000006c668a in open_table (thd=0x239efd0, table_list=0x7f5e1805ea50, ot_ctx=0x7f5e995be1f0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:2819
        table = <optimized out>
        key = <optimized out>
        alias = 0x7f5e1805ea28 "table10_key_pk_parts_2_int_autoinc"
        flags = 0
        _db_stack_frame_ = {
          func = 0xcd9533 "open_and_process_table", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483658, 
          prev = 0x7f5e995be240
        }
        __PRETTY_FUNCTION__ =           "bool open_table(THD*, TABLE_LIST*, Open_table_context*)"
        mdl_ticket = <optimized out>
        key_length = 40
        error = <optimized out>
        share = <optimized out>
        hash_value = <optimized out>
#6  0x00000000006ca9ec in open_and_process_table (ot_ctx=0x7f5e995be1f0, has_prelocking_list=false, prelocking_strategy=0x7f5e995be310, flags=0, counter=0x7f5e1805d4f8, tables=0x7f5e1805ea50, lex=0x7f5e1805d440, thd=0x239efd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
        error = <optimized out>
        safe_to_ignore_table = false
        _db_stack_frame_ = {
          func = 0xcd94d9 "open_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483657, 
          prev = 0x7f5e995be260
        }
#7  open_tables (thd=0x239efd0, start=0x7f5e995be2d8, counter=0x7f5e1805d4f8, flags=0, prelocking_strategy=0x7f5e995be310) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483656, 
          prev = 0x7f5e995be2e0
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e995be2d8
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x7f5e1805d4d8
        tables = <optimized out>
        error = false
#8  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e1805ea50, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483655, 
          prev = 0x7f5e995beff0
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#9  0x000000000071eb4d in execute_sqlcom_select (thd=0x239efd0, all_tables=0x7f5e1805ea50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5278
        lex = 0x7f5e1805d440
        result = 0x7f5e1805f368
        res = <optimized out>
#10 0x00000000007217b7 in mysql_execute_command (thd=0x239efd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
        res = <optimized out>
        lex = 0x7f5e1805d440
        _db_stack_frame_ = {
          func = 0xcee11e "mysql_sql_stmt_execute", 
          file = 0xcee1b0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc", 
          level = 2147483654, 
          prev = 0x7f5e995bf320
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 241, 
            has_disabled_I_S = 5, 
            empty = 24, 
            stmt = 0x7f5e1805d440, 
            saved_key = 0x7f5e995bf040 "\006", 
            previous_key =               "\330\357\071\002\000\000\000\000\020\360[\231^\177\000\000\223\227\\\000\000\000\000\000\021"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 239, 
            has_disabled_I_S = 91, 
            empty = 153, 
            stmt = 0x7f5e1805d440, 
            saved_key = 0x7f5e995bf040 "\006", 
            previous_key =               "\330\357\071\002\000\000\000\000\320\357[\231^\177\000\000\022\227\\\000\000\000\000\000\036"
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x23a1378, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x7f5e1805db50
        first_table = 0x7f5e1805ea50
        all_tables = 0x7f5e1805ea50
        unit = 0x7f5e1805d508
        have_table_map_for_update = false
#11 0x0000000000739c96 in Prepared_statement::execute (this=0x7f5e180201f0, expanded_query=<optimized out>, open_cursor=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:4217
        parent_locker = 0x23a0a80
        stmt_backup = {
          <Query_arena> = {
            _vptr.Query_arena = 0x13b1e90 <vtable for Statement+16>, 
            free_list = 0x0, 
            mem_root = 0xcee11e, 
            is_backup_arena = false, 
            is_reprepared = false, 
            state = Query_arena::STMT_INITIALIZED
          }, 
          members of Statement: 
          id = 0, 
          query_strip_comments = {
            buffer = 0x0, 
            length = 0, 
            buffer_length = 0
          }, 
          mark_used_columns = MARK_COLUMNS_READ, 
          name = {
            str = 0x7f5e995bf1e0 "j", 
            length = 13022456
          }, 
          lex = 0x23a1398, 
          query_string = {
            string = {
              str = 0x7f5e18005328 "SELECT `col_enum_utf8_not_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `col_decimal_unsigned` > 6", 
              length = 106
            }, 
            cs = 0x144ff40 <my_charset_latin1>
          }, 
          rewritten_query = {
            Ptr = 0x0, 
            str_length = 0, 
            Alloced_length = 0, 
            alloced = false, 
            str_charset = 0x14167a0 <my_charset_bin>
          }, 
          db = 0x7f5e995bf270 "\001", 
          db_length = 37365296
        }
        old_stmt_arena = 0x239efd8
        saved_cur_db_name_buf =           "\300\342\316\000\000\000\000\000p\000\000\000\000\000\000\000@\363[\231^\177\000\000@\377D\001", '\000' <repeats 21 times>, "\361[\231^\177\000\000/\016w\000\000\000\000\000@\363[\231^\177\000\000\030[\002\030^\177\000\000\340k\001\030^\177\000\000\020\204s\000\000\000\000\000\300\207s", '\000' <repeats 29 times>, " \000\000\000\000\000\000\000\340\037\000\000\000\000\000\000\004\000\000\000\000\000\000\000\320\034\211\000\000\000\000\000\005\000\000\200\v\000\000\000\220\361[\231^\177\000\000\266'\332", '\000' <repeats 13 times>, "@"
        saved_cur_db_name = {
          str = 0x7f5e995bf0b0 "\300\342", <incomplete sequence \316>, 
          length = 193
        }
        cur_db_changed = <optimized out>
        __PRETTY_FUNCTION__ =           "bool Prepared_statement::execute(String*, bool)"
        error = true
        stmt_db_name = {
          str = 0x7f5e1805e6a0 "test", 
          length = 4
        }
#12 0x000000000073a33b in Prepared_statement::execute_loop (this=0x7f5e180201f0, expanded_query=0x7f5e995bf340, open_cursor=<optimized out>, packet=<optimized out>, packet_end=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:3872
        __PRETTY_FUNCTION__ =           "bool Prepared_statement::execute_loop(String*, bool, uchar*, uchar*)"
        reprepare_observer = {
          m_invalidated = false
        }
        error = <optimized out>
        reprepare_attempt = 1
        stmt_reprepare_observer = <optimized out>
#13 0x000000000073a682 in mysql_sql_stmt_execute (thd=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:2876
        lex = 0x23a1398
        stmt = 0x7f5e180201f0
        expanded_query = {
          Ptr = 0x7f5e18016be0 "SELECT `col_enum_utf8_not_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `col_decimal_unsigned` > 6", 
          str_length = 106, 
          Alloced_length = 112, 
          alloced = true, 
          str_charset = 0x144ff40 <my_charset_latin1>
        }
        name = 0x23a2530
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e995bffe0
        }
#14 0x00000000007215d2 in mysql_execute_command (thd=0x239efd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2772
        res = 0
        lex = 0x23a1398
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e995c00d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 239, 
            has_disabled_I_S = 57, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e995bffd0 "0", 
            previous_key =               "\320\357\071\002\000\000\000\000\360\377[\231^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 255, 
            has_disabled_I_S = 91, 
            empty = 153, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\377[\231^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x23a1378, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x23a1aa8
        first_table = 0x0
        all_tables = 0x0
        unit = 0x23a1460
        have_table_map_for_update = false
#15 0x0000000000727818 in mysql_parse (thd=0x239efd0, rawbuf=0x23a1398 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x23a1398
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e995c0bf0
        }
        start_usecs = 1373676108968452
        end_usecs = 0
        start_cpu_nsecs = 176534129
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 968452
        }
        end_time = {
          tv_sec = 37351376, 
          tv_usec = 140042106326096
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 176534129
        }
#16 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x239efd0, packet=0x23a2f61 "EXECUTE prep_stmt_25092 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", packet_length=63) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e18004c8f ""
        parser_state = {
          m_lip = {
            m_thd = 0x239efd0, 
            yylineno = 1, 
            yytoklen = 15, 
            yylval = 0x7f5e995bff30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e18004c90 "\004", 
            m_tok_start = 0x7f5e18004c90 "\004", 
            m_tok_end = 0x7f5e18004c90 "\004", 
            m_end_of_query = 0x7f5e18004c8f "", 
            m_tok_start_prev = 0x7f5e18004c8f "", 
            m_buf = 0x7f5e18004c50 "EXECUTE prep_stmt_25092 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_buf_length = 63, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e18004cf8 "EXECUTE prep_stmt_25092 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_cpp_ptr = 0x7f5e18004d37 "", 
            m_cpp_tok_start = 0x7f5e18004d37 "", 
            m_cpp_tok_start_prev = 0x7f5e18004d37 "", 
            m_cpp_tok_end = 0x7f5e18004d37 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e18004d00 "prep_stmt_25092 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_cpp_text_end = 0x7f5e18004d0f " /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x239f230
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e995c0ce0
        }
#17 0x0000000000729a47 in do_command (thd=0x239efd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x23a2f60 "\003EXECUTE prep_stmt_25092 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */"
        packet_length = <optimized out>
        net = 0x239f230
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#18 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x239efd0
#19 0x00000000006ed727 in handle_one_connection (arg=0x239efd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x239efd0
#20 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x290da10) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x290da10
        user_arg = 0x239efd0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#21 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 41 (LWP 24680):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6eacb in os_cond_wait_timed (abstime=0x7f5e89fa8cc0, fast_mutex=0x23c9880, cond=0x23c98c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
        mutex = 0x23c9880
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x23c9880, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
        timed_out = 0
        abstime = {
          tv_sec = 1373676109, 
          tv_nsec = 462898000
        }
#3  0x0000000000b01ec1 in srv_error_monitor_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2084
        old_lsn = <optimized out>
        sig_count = <optimized out>
        waiter = 140044023686912
        old_waiter = 140044023686912
        sema = 0x27957a8
        old_sema = 0x27957a8
        fatal_cnt = 0
        new_lsn = <optimized out>
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 40 (LWP 24689):
+bt full
#0  0x000000340c4df253 in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x0000000000c9e846 in vio_io_wait (vio=<optimized out>, event=VIO_IO_EVENT_READ, timeout=28800000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:820
        ret = <optimized out>
        revents = 8251
        pfd = {
          fd = 34, 
          events = 3, 
          revents = 0
        }
        sd = <optimized out>
        locker = 0x0
        state = {
          m_flags = 2147483650, 
          m_socket = 0xce17b8, 
          m_thread = 0x7f5e8a654a90, 
          m_number_of_bytes = 42265664, 
          m_timer_start = 140044025547936, 
          m_timer = 0xc6d2a3 <_db_return_+339>, 
          m_operation = 16918753, 
          m_src_file = 0x986e46 <my_thread_var_dbug+38> "H\205\300t‸\230", 
          m_src_line = -1973073280, 
          m_wait = 0xc6b4f8 <code_state+56>
        }
        _db_stack_frame_ = {
          func = 0x10228e1 "vio_read", 
          file = 0x10225f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c", 
          level = 2147483651, 
          prev = 0x7f5e8a654b60
        }
        __PRETTY_FUNCTION__ =           "vio_io_wait"
#2  0x0000000000c9ece3 in vio_socket_io_wait (vio=<optimized out>, event=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:68
        timeout = <optimized out>
        ret = <optimized out>
        __PRETTY_FUNCTION__ =           "vio_socket_io_wait"
#3  0x0000000000c9f680 in vio_read (vio=0x292c240, buf=0x292c430 "\a", size=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:123
        error = <optimized out>
        ret = -1
        flags = 64
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a654ce0
        }
        __PRETTY_FUNCTION__ =           "vio_read"
#4  0x000000000067b583 in net_read_raw_loop (net=0x284eea0, count=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:663
        recvcnt = <optimized out>
        eof = false
        retry_count = <optimized out>
        buf = <optimized out>
#5  0x000000000067c0e1 in net_read_packet_header (net=0x284eea0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:745
        user_data = 0x284ec40
        pkt_nr = <optimized out>
        count = 4
        rc = <optimized out>
        server_extension = 0x284f148
#6  net_read_packet (net=<optimized out>, complen=0x7f5e8a654c68) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
        pkt_len = <optimized out>
        pkt_data_len = <optimized out>
        __PRETTY_FUNCTION__ =           "ulong net_read_packet(NET*, size_t*)"
#7  0x000000000067c3ec in my_net_read (net=0x284eea0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
        len = <optimized out>
        complen = <optimized out>
#8  0x00000000007299d7 in do_command (thd=0x284ec40) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:983
        return_value = <optimized out>
        packet = 0x0
        packet_length = <optimized out>
        net = 0x284eea0
        command = <optimized out>
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#9  0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x284ec40
#10 0x00000000006ed727 in handle_one_connection (arg=0x284ec40) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x284ec40
#11 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x284ec40
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#12 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#13 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 39 (LWP 25064):
+bt full
#0  0x0000000000ae44f6 in rec_offs_validate (rec=0x0, index=0x0, offsets=0x7f5e8a488420) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/include/rem0rec.ic:959
No locals.
#1  0x0000000000ae5cce in rec_offs_nth_extern (n=3, offsets=0x7f5e8a488420) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/include/rem0rec.ic:1136
No locals.
#2  row_sel_fetch_columns (index=0x7f5e7c05ddc8, rec=0x7f5e9201cd4d "testtable10_key_pk_parts_2_int_autoinc#P#p1col_char_255_utf8_key_default_nulln_diff_pfx02", offsets=0x7f5e8a488420, column=0x7f5e44038ab8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:443
        heap = 0x0
        needs_copy = <optimized out>
        field_no = 3
        data = <optimized out>
        len = 34
        index_type = <optimized out>
#3  0x0000000000aebc12 in row_sel (node=0x7f5e44038d70, thr=0x7f5e4403ac48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:1728
        old_vers = 0x0
        cons_read_requires_clust_rec = 0
        err = <optimized out>
        heap = 0x0
        index = 0x7f5e7c05ddc8
        plan = 0x7f5e44039418
        clust_rec = 0x7f5e4403a3c0 "\022"
        must_go_to_next = 140042844747752
        mtr_has_extra_clust_latch = <optimized out>
        found_flag = 140042844747752
        mtr = {
          state = 12231, 
          memo = {
            heap = 0x0, 
            used = 16, 
            data =               "\001\000\000\000\000\000\000\000\200\206\344\220^\177\000\000\001", '\000' <repeats 15 times>, "\221\216\366\221^\177\000\000\260|H\212^\177\000\000\330g\237\000\000\000\000\000\260|H\212^\177\000\000r>\001D^\177\000\000\017\001S\000\000\000\000\000\003\000\000\000\000\000\000\000d\344\335", '\000' <repeats 13 times>, "\020}H\212^\177\000\000\021\251\251\000\000\000\000\000\000\000\000\000^\177\000\000\006\000\000\000\000\000\000\000p}H\212^\177\000\000\062\360\251", '\000' <repeats 13 times>, "\001", '\000' <repeats 15 times>, "\004\000\000\000\000\000\000\000\f\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\340}H\212^\177\000\000\264ɩ\000\000\000\000\000h\227\317\000\000\000\000\000Fn\230\000\000\000\000\000P}H\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000h\227\317\000\000\000\000\000Г\317\000\000\000\000\000\v\000\000\200\000\000\000\000\220\227H\212^\177\000\000\240}H\212^\177\000\000\000\000\000\000\000\000\000\000`\016\226\002\000\000\000\000\000]N\001\000\000\000\000`\016\226\002\000\000\000\000\360\355\001D^\177\000\000\020\230H\212^\177\000\000\343+y\000\000\000\000\000ߗH\212^\177\000\000\274\351\333\000\000\000\000\000x\b\000\000\000\000\000\000p&\001D^\177\000\000\020\253\000D^\177\000\000\020~H\212^\177\000\000X4\026|^\177\000\000'\000\000\000\000\000\000\000`~H\212\063\060\067\062\353\357\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000\000\016\000\000\200\000\000\000\000\020\221H\212^\177\000\000(\000\000\000\060\000\000\000\240\201H\212^\177\000\000\340\200H\212^\177\000", 
            base = {
              count = 9989702, 
              start = 0x7f5e8a487e70, 
              end = 0xc6b4f8 <code_state+56>
            }, 
            list = {
              prev = 0x7f5e8a489160, 
              next = 0xba0
            }, 
            buf_end = 0, 
            magic_n = 375767
          }, 
          log = {
            heap = 0x0, 
            used = 0, 
            data =               "\016\000\000\200\000\000\000\000\361l\332\000\000\000\000\000(\357\001D^\177\000\000\310\335\005|^\177\000\000p\225\003D^\177\000\000\000\000\000\000\000\000\000\000x\221\003D^\177\000\000\030\224\003D^\177\000\000 \177H\212^\177\000\000\220i\277\000\000\000\000\000@\201H\212^\177\000\000x\221\003D^\177\000\000\r\000\000\200\000\000\000\000\310\335\005|^\177\000\000p\225\003D^\177\000\000\000\000\000\000\000\000\000\000`\222\003D^\177\000\000\030\224\003D^\177\000\000p\177H\212^\177\000\000\244h\277\000\000\000\000\000`\177H\212^\177\000\000Gm\277\000\000\000\000\000\001\000\000\000\000\000\000\000\310\335\005|^\177\000\000\200\177H\212^\177\000\000\210U\251\000\000\000\000\000\220\177H\212^\177\000\000P\252\003D^\177\000\000\240\177H\212^\177\000\000\361=\277\000\000\000\000\000P\"T\001\000\000\000\000`\361\340\000\000\000\000\000`\351\340\000\000\000\000\000\340\354\340\000\000\000\000\000\320\177H\212^\177\000\000\266?\277\000\000\000\000\000`\361\340\000\000\000\000\000`\351\340\000\000\000\000\000h\"T\001\000\000\000\000`\361\340\000\000\000\000\000\260\200H\212^\177\000\000%R\277\000\000\000\000\000\020\200H\212^\177\000\000\240\002\000\000\000\000\000\000\001\000\000\000\000\000\000\000\000\342\340\000\000\000\000\000\200\374\340\000\000\000\000\000\340\355\340\000\000\000\000\000`\361\340\000\000\000\000\000\340\355\340\000\000\000\000\000\000\342\340\000\000\000\000\000\200\374\340\000\000\000\000\000`\200H\212\000\000\000\000\001\000\000\000\000\000\000\000\320w\003D", '\000' <repeats 12 times>, "\002\372{\002\000\000\000\000\340\337\340\000\000\000\000\000H\"T\001\000\000\000\000\001\372{\002\000\000\000\000\001\000\000\000\000\000\000\000H\254\003D^\177\000\000\260\200H\212^\177\000\000\062\207H\212^\177\000", 
            base = {
              count = 140044023660792, 
              start = 0xe10a20 <_ZL6yypact>, 
              end = 0x7f5e8a488730
            }, 
            list = {
              prev = 0xe10e60 <_ZL7yycheck>, 
              next = 0x7f5e8a4888f0
            }, 
            buf_end = 0, 
            magic_n = 375767
          }, 
          inside_ibuf = 0, 
          modifications = 0, 
          made_dirty = 0, 
          n_log_recs = 0, 
          n_freed_pages = 0, 
          log_mode = 21, 
          start_lsn = 2, 
          end_lsn = 140042844630824, 
          magic_n = 54551
        }
        moved = <optimized out>
        consistent_read = 1
        cost_counter = 0
        rec = 0x7f5e9201cd4d "testtable10_key_pk_parts_2_int_autoinc#P#p1col_char_255_utf8_key_default_nulln_diff_pfx02"
        search_latch_locked = 0
        cursor_just_opened = <optimized out>
        offsets_ =           {[0] = 100,
          [1] = 10,
          [2] = 140044153245005,
          [3] = 140043784412616,
          [4] = 2147483659,
          [5] = 4,
          [6] = 43,
          [7] = 77,
          [8] = 89,
          [9] = 95,
          [10] = 102,
          [11] = 106,
          [12] = 114,
          [13] = 122,
          [14] = 159,
          [15] = 140042844694152,
          [16] = 2905456488230306134,
          [17] = 5714540338487963699,
          [18] = 5476461037614932052,
          [19] = 11590400,
          [20] = 140044023662672,
          [21] = 41506728,
          [22] = 140044023661808,
          [23] = 12255589,
          [24] = 2905456488230306134,
          [25] = 5714540338487963699,
          [26] = 5476461037614932052,
          [27] = 12255744,
          [28] = 140044023662496,
          [29] = 140044023662560,
          [30] = 140044023661872,
          [31] = 11590481,
          [32] = 140044023661888,
          [33] = 41506728,
          [34] = 140044023661904,
          [35] = 12254493,
          [36] = 0,
          [37] = 0,
          [38] = 140044023662480,
          [39] = 12262669,
          [40] = 140044023663319,
          [41] = 10,
          [42] = 140044023662048,
          [43] = 13015015,
          [44] = 22291968,
          [45] = 140042844686696,
          [46] = 140042844676920,
          [47] = 140044023664160,
          [48] = 140042844747032,
          [49] = 12,
          [50] = 4,
          [51] = 1,
          [52] = 6,
          [53] = 1,
          [54] = 0,
          [55] = 128,
          [56] = 0,
          [57] = 0,
          [58] = 0,
          [59] = 210453397510,
          [60] = 532575944706,
          [61] = 0,
          [62] = 9,
          [63] = 2,
          [64] = 0,
          [65] = 176,
          [66] = 0,
          [67] = 0,
          [68] = 0,
          [69] = 214748364809,
          [70] = 532575944795,
          [71] = 472446402679,
          [72] = 140044023662208,
          [73] = 0,
          [74] = 128,
          [75] = 140042844504096,
          [76] = 14702416,
          [77] = 11751664,
          [78] = 0,
          [79] = 0,
          [80] = 14702416,
          [81] = 140042844747840,
          [82] = 140044023662352,
          [83] = 10879817,
          [84] = 13357362877574958,
          [85] = 0,
          [86] = 128,
          [87] = 128,
          [88] = 14702416,
          [89] = 140042844743480,
          [90] = 1,
          [91] = 0,
          [92] = 0,
          [93] = 140042844698272,
          [94] = 140044023662416,
          [95] = 12291805,
          [96] = 140044023662512,
          [97] = 11723384,
          [98] = 140042844742592,
          [99] = 61}
        offsets = 0x7f5e8a488420
#4  0x0000000000aeccfb in row_sel_step (thr=0x7f5e4403ac48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/row/row0sel.cc:2120
        node = 0x7f5e44038d70
        err = <optimized out>
#5  0x0000000000a97698 in que_thr_step (thr=0x7f5e4403ac48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1093
        node = 0x7f5e44038d70
        old_thr = 0x7f5e4403ac48
        trx = 0x6674755f3535325f
        type = 6
#6  que_run_threads_low (thr=0x7f5e4403ac48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1177
        trx = 0x7f5e4402f698
        next_thr = 0x7f5e4403ac48
#7  0x0000000000a97e30 in que_run_threads (thr=0x7f5e4403ac48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1218
No locals.
#8  0x0000000000a9816f in que_eval_sql (info=<optimized out>, sql=<optimized out>, reserve_dict_mutex=1, trx=0x7f5e4402f698) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/que/que0que.cc:1301
        thr = <optimized out>
        graph = 0x7f5e4403ab80
#9  0x0000000000bb6f0f in dict_stats_fetch_from_ps (table=0x7f5e4402a338) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:2839
        ret = <optimized out>
        table_utf8 =           "table10_key_pk_parts_2_int_autoinc#P#p1\000 \000\000D^\177\000\000?(\332\000\000\000\000\000Fn\230\000\000\000\000\000\340\214H\212^\177\000\000\370\264\306\000\000\000\000\000\027\221H\212^\177\000\000?(\332\000\000\000\000\000@\215H\212^\177\000\000\264\302\306\000\000\000\000\000\036\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\060`\001D^\177\000\000Fn\230\000\000\000\000\000\060\215H\212^\177\000\000\060`\001D^\177\000\000\240d!|^\177\000\000P\215H\212^\177\000\000\000<T\001\000\000\000\000.\000\000\000\000\000\000\000\220\215H\212^\177\000\000", <incomplete sequence \311>
        index_fetch_arg = {
          table = 0x7f5e4402a338, 
          stats_were_modified = true
        }
        trx = 0x7f5e4402f698
        pinfo = 0x7f5e44036be8
        db_utf8 =           "test\000\000\000\000h\027\334\000\000\000\000\000\017\000\000\200^\177\000\000\060\223H\212^\177\000\000\220\215H\212^\177\000\000\060`\001D^\177\000\000\240\215H\212^\177\000\000!۰\000\000\000\000\000\360\215H\212^\177\000\000\250Wy\002\000\000\000\000\300\215H\212^\177\000\000Յ\271\000\000\000\000\000\250Wy\002\000\000\000\000\340\220H\212^\177\000\000\340\215H\212^\177\000\000Q۰\000\000\000\000\000\360\215H\212^\177\000\000Q۰\000\000\000\000\000\000\216H\212^\177\000\000Q۰\000\000\000\000\000\020\216H\212^\177\000\000\250Wy\002\000\000\000\000 \216H\212^\177\000\000\035o\271\000\000\000\000\000"
#10 dict_stats_update (table=0x7f5e7c18d338, stats_upd_option=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/dict/dict0stats.cc:3041
        t = 0x7f5e4402a338
        err = 2320010576
        buf =           '\000' <repeats 16 times>, "\320\064;\001", '\000' <repeats 12 times>, "؃H\212^\177\000\000\270\203H\212^\177", '\000' <repeats 19 times>, "\215H\212^\177\000\000\000\200", '\000' <repeats 30 times>, "Pg\002D^\177\000\000Pg\002D^\177", '\000' <repeats 11 times>, "\212H\212^\177\000\000\300l\\", '\000' <repeats 17 times>, "B", '\000' <repeats 27 times>, "Fn\230\000\000\000\000\000\060`\001D^\177\000\000Fn\230\000\000\000\000\000\340\212H\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000Pg\002D^\177\000\000Pg\002D)\000\000\000\017\000\000\200\000\000\000\000?(\332\000\000\000\000\000\060\213H\212^\177\000\000\370\264\306\000\000\000\000\000\001", '\000' <repeats 15 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\070\213H\212^\177\000\000\000\000\000\000B\000\000\000\017\000\000\200\000\000\000\000\361l\332", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\220\213H\212^\177\000\000\370\264\306\000\000\000\000\000\231X\327", '\000' <repeats 13 times>, "\360\215H\212^\177\000\000\243\322\306\000\000\000\000\000\001\000\000\000\000\000\000\000\340jN\001\\\000\000\000\020\000\000\200\000\000\000\000\023m\332", '\000' <repeats 17 times>, "\237j\331\364\300\266\000D^\177\000\000Fn\230\000\000\000\000\000\000\214H\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306", '\000' <repeats 13 times>, "\350\221H\212\321\024\000\000\016\000\000\200\000\000\000\000\363\357\333", '\000' <repeats 14 times>, "U]\240^\177", '\000' <repeats 14 times>, "\001\000\000\000\000\000\000\000\027\221H\212\060\215H\212^\177\000\000\377\377\377\377\377\377\377\377\240\221H\212^\177", '\000' <repeats 15 times>
#11 0x0000000000a0c5b5 in dict_stats_init (table=0x7f5e7c18d338) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/include/dict0stats.ic:174
        opt = <optimized out>
#12 ha_innobase::open (this=0x7f5e4400d3f0, name=0x7f5e8a489440 "./test/table10_key_pk_parts_2_int_autoinc#P#p1", mode=<optimized out>, test_if_locked=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:5124
        ib_table = 0x7f5e7c18d338
        par_case_name_set = <optimized out>
        ignore_err = DICT_ERR_IGNORE_NONE
        norm_name =           "test/table10_key_pk_parts_2_int_autoinc#P#p1\000\000\000\000\060\221H\212^\177\000\000\370\264\306\000\000\000\000\000@\221H\212^\177\000\000x\270\000D^\177\000\000\220\223H\212^\177\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\243\322\306\000\343\t\000\000\r\000\000\200\000\000\000\000\232K\313\000\000\000\000\000\r\000\000\200\000\000\000\000\270\314\341\000\000\000\000\000 \000\000\000\000\000\000\000\020\000\000\000\000\000\000\000(\000\000\000\002\000\000\000\340\221H\212^\177\000\000\240\221H\212^\177\000\000\200\253\001D^\177\000\000\002\000\000\000\000\000\000\000H\374\001D^\177\000\000\375\265\327\000\000\000\000\000\a\261\001D^\177\000\000\000\000\000\000\000\000\000\000X\360\001D^\177\000\000\000\224H\212^\177\000\000\273'\214\000\000\000\000\000\200\253\001D^\177\000\000\000\223H\212^\177\000\000\003\000\000\000\000\000\000\000\240I\001D^\177\000\000 \222H\212^\177\000\000\361\267\226\000\000\000\000\000\200\253\001D^\177\000\000\377\377\377\377\000\000\000\000\340\222H\212^\177\000\000iŖ\000\000\000\000\000\002", '\000' <repeats 23 times>, "@\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\200\222H\212^\177\000\000\370\264\306\000\000\000\000\000[\000\000\000|\000\000\000\004\000\000\000\000\000\000\000\350\342\333\000\000\000\000\000Fn\230\000\000\000\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000(\357\001D^\177\000\000Fn\230\000\000\000\000\000ВH\212^\177\000\000\370\264\306\000\000\000\000\000\177\250\300\f4\000\000\000(\357\001D^\177\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000"
        thd = 0x2960e60
        is_part = <optimized out>
        par_case_name =           "؎H\212^\177\000\000\000\000\000\000\000\000\000\000\340jN\001\000\000\000\000\360\216H\212^\177\000\000\000\000\000\000^\177\000\000\340jN\001\000\000\000\000\b\217H\212^\177", '\000' <repeats 11 times>, "&T\001\000\000\000\000\340jN\001\000\000\000\000(\217H\212^\177\000\000\000\000\000\000\000\000\000\000\340jN\001\000\000\000\000@\217H\212^\177\000\000\000\000\000\000^\177\000\000\340jN\001\000\000\000\000 \000\000\000\000\000\000\000Fn\230\000\000\000\000\000\220\217H\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\300\217H\212^\177\000\000\370\264\306\000B\000\000\000\020\000\000\200\000\000\000\000\361l\332\000\000\000\000\000`\222H\212^\177\000\000Fn\230\000\000\000\000\000\360\217H\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000 \220H\212^\177\000\000\370\264\306\000>\000\000\000\017\000\000\200\000\000\000\000\313M\332\000\000\000\000\000\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000(\220H\212^\177\000\000Fn\230\000H\000\000\000\004\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\220H\212^\177\000\000\370\264\306\000\000\000\000\000\001", '\000' <repeats 15 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000`\016\226\002\000\000\000\000Fn\230\000\000\000\000\000(\357\001D^\177\000\000Fn\230\000\000\000\000\000\300\220H\212^\177\000\000\370\264\306\000\000\000\000\000\020\223H\212^\177\000\000(\357\001D^\177\000\000 \223H\212^\177\000\000\243\322\306\000\000\000\000\000\016\000\000\200\000\000\000\000\350\342\333\000\367\000\000"
        _db_stack_frame_ = {
          func = 0xcb4b9a "handler::ha_open", 
          file = 0xcb7588 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc", 
          level = 2147483662, 
          prev = 0x7f5e8a4893b0
        }
        no_tablespace = <optimized out>
#13 0x00000000005b76fa in handler::ha_open (this=0x7f5e4400d3f0, table_arg=<optimized out>, name=0x7f5e8a489440 "./test/table10_key_pk_parts_2_int_autoinc#P#p1", mode=2, test_if_locked=1026) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2478
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xe1be0e "ha_partition::open", 
          file = 0xe1bf80 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc", 
          level = 2147483661, 
          prev = 0x7f5e8a489640
        }
        __PRETTY_FUNCTION__ =           "int handler::ha_open(TABLE*, const char*, int, int)"
#14 0x0000000000c64e12 in ha_partition::open (this=0x7f5e440159d0, name=0x7f5e44032e00 "./test/table10_key_pk_parts_2_int_autoinc", mode=2, test_if_locked=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/ha_partition.cc:3259
        name_buffer_ptr = 0x7f5e4401b107 "p1"
        file = <optimized out>
        name_buff =           "./test/table10_key_pk_parts_2_int_autoinc#P#p1\000\000\v\000\000\200\000\000\000\000f\363\315\000\000\000\000\000\360\224H\212^\177\000\000\376ۗ\000\000\000\000\000\260\224H\212^\177\000\000\360m\002D^\177\000\000A\271\327\000\000\000\000\000h\303\327\000\000\000\000\000\016\000\000\200^\177\000\000`\225H\212^\177\000\000\r\000\000\200^\177\000\000\001\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\020\000\000\000\000\000\000\000\340jN\001\000\000\000\000\001", '\000' <repeats 15 times>, "\350\362\001D^\177\000\000\000\000\000\000\000\000\000\000 G\001D^\177\000\000>X\327\000\000\000\000\000Fn\230\000\000\000\000\000@\225H\212^\177\000\000\370\264\306\000\000\000\000\000\225\266\327\000\000\000\000\000Fn\230\000\000\000\000\000`\225H\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "\225\266\327\000\000\000\000\000\300\225H\212^\177\000\000\264\302\306\000\000\000\000\000\177\250\300\f4\000\000\000ЕH\212^\177\000\000\060\316\327\000\000\000\000\000Fn\230\000\000\000\000\000\260\225H\212^\177\000\000\370\264\306\000\000\000\000\000ϖH\212^\177\000\000\060\316\327\000\000\000\000\000\020\226H\212^\177\000\000\264\302\306\000\000\000\000\000\071\a\000\000\000\000\000\000Fn\230", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\000\226H\212^\177\000\000\000\000\000\000\000\000\000\000`\347\001D^\177\000\000`\016\226\002\000\000\000\000\232K\313\000\000\000\000\000Fn\230\000\000\000\000\000\060\226H\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "\232K\313\000\000\000\000\000\220\226H\212^\177\000\000\264\302\306\000\000\000\000"
        check_table_flags = <optimized out>
        __PRETTY_FUNCTION__ =           "virtual int ha_partition::open(const char*, int, uint)"
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xcb4b9a "handler::ha_open", 
          file = 0xcb7588 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc", 
          level = 2147483660, 
          prev = 0x7f5e8a4896b0
        }
#15 0x00000000005b76fa in handler::ha_open (this=0x7f5e440159d0, table_arg=<optimized out>, name=0x7f5e44032e00 "./test/table10_key_pk_parts_2_int_autoinc", mode=2, test_if_locked=2) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2478
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xd09236 "open_table_from_share", 
          file = 0xd095a0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/table.cc", 
          level = 2147483659, 
          prev = 0x7f5e8a4897b0
        }
        __PRETTY_FUNCTION__ =           "int handler::ha_open(TABLE*, const char*, int, int)"
#16 0x00000000007c24cc in open_table_from_share (thd=0x2960e60, share=<optimized out>, alias=<optimized out>, db_stat=39, prgflag=<optimized out>, ha_open_flags=0, outparam=0x7f5e4401e760, is_create_table=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/table.cc:2318
        ha_err = <optimized out>
        records = <optimized out>
        error_reported = false
        record = <optimized out>
        _db_stack_frame_ = {
          func = 0xce3776 "open_table", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483658, 
          prev = 0x7f5e8a489ef0
        }
        __PRETTY_FUNCTION__ =           "int open_table_from_share(THD*, TABLE_SHARE*, const char*, uint, uint, uint, TABLE*, bool)"
        bitmaps = 0x7f5e44026e18 ""
        error = 2
        i = <optimized out>
        bitmap_size = 12
        field_ptr = <optimized out>
#17 0x00000000006c6fb4 in open_table (thd=0x2960e60, table_list=0x7f5e44018e68, ot_ctx=0x7f5e8a48a010) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:3082
        table = 0x7f5e4401e760
        key = 0x7f5e4401922d "test"
        alias = 0x7f5e44018e40 "table10_key_pk_parts_2_int_autoinc"
        flags = 0
        _db_stack_frame_ = {
          func = 0xcd9533 "open_and_process_table", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483657, 
          prev = 0x7f5e8a48a060
        }
        __PRETTY_FUNCTION__ =           "bool open_table(THD*, TABLE_LIST*, Open_table_context*)"
        mdl_ticket = 0x7f5e44014cf0
        key_length = 40
        error = <optimized out>
        share = 0x7f5e44032ab0
        hash_value = 4093618026
#18 0x00000000006ca9ec in open_and_process_table (ot_ctx=0x7f5e8a48a010, has_prelocking_list=false, prelocking_strategy=0x7f5e8a48bba0, flags=0, counter=0x7f5e8a48bbb8, tables=0x7f5e44018e68, lex=0x2963228, thd=0x2960e60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4567
        error = <optimized out>
        safe_to_ignore_table = false
        _db_stack_frame_ = {
          func = 0xcd94d9 "open_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483656, 
          prev = 0x7f5e8a48a080
        }
#19 open_tables (thd=0x2960e60, start=0x7f5e8a48a1a8, counter=0x7f5e8a48bbb8, flags=0, prelocking_strategy=0x7f5e8a48bba0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5069
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcf612e "mysql_alter_table", 
          file = 0xcf6488 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a48bb60
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8a48a1a8
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = true
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x29632c0
        tables = <optimized out>
        error = false
#20 0x000000000077f8cc in mysql_alter_table (thd=0x2960e60, new_db=0x7f5e44018340 "test", new_name=0x0, create_info=0x7f5e8a48c190, table_list=0x7f5e44018e68, alter_info=0x7f5e8a48c270, order_num=0, order=0x0, ignore=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7841
        __PRETTY_FUNCTION__ =           "bool mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, uint, ORDER*, bool)"
        partition_changed = <optimized out>
        old_db_type = <optimized out>
        copied = <optimized out>
        key_count = <optimized out>
        table_kind = <optimized out>
        alter_ctx = {
          datetime_field = 0x0, 
          error_if_not_empty = false, 
          tables_opened = 1, 
          db = 0x7f5e440180f0 "test", 
          table_name = 0x7f5e44018098 "table10_int_autoinc", 
          alias = 0x7f5e44018098 "table10_int_autoinc", 
          new_db = 0x7f5e440180f0 "test", 
          new_name = 0x7f5e44018098 "table10_int_autoinc", 
          new_alias = 0x7f5e44018098 "table10_int_autoinc", 
          tmp_name =             "#sql-605a_11\000\000\000\000x\200\000D^\177\000\000\060\242H\212^\177\000\000\210#\226\002\000\000\000\000\022\000\000\000\000\000\000\000p\242H\212^\177\000\000\302D\237\000\000\000\000\000\350\342\333\000\000\000\000\000Fn\230\000\000\000\000", 
          fk_error_if_delete_row = false, 
          fk_error_id = 0x0, 
          fk_error_table = 0x0, 
          new_filename =             "./test/table10_int_autoinc.frm\000int_autoinc.frm\000\000\350\342\333\000\000\000\000\000\260\242H\212^\177\000\000`\016\226\002\000\000\000\000x\200\000D^\177\000\000ТH\212^\177\000\000\210#\226\002\000\000\000\000\b\267H\212^\177\000\000\020\243H\212^\177\000\000\302D\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000\000\n\000\000\200^\177\000\000\200\333\002D^\177\000\000P\000\000\000\000\000\000\000\000\200\005", '\000' <repeats 13 times>, "\063\000\000\000\000\000\000\000\020\266H\212^\177\000\000\027\220\240\000\000\000\000\000E\000\000\000\000\000\000\000M\000\000\000\000\000\000\000U\000\000\000\000\000\000\000\b\246\003D^\177\000\000\b\246\003D^\177\000\000أ\003D^\177\000\000\300\265H\212^\177\000\000\000\000\000\000\000\000\000\000\b\246\003D\022\000\000\000\210z\020|^\177\000\000\340\217\003D^\177\000\000\362v\271\000\000\000\000\000\000\253H\212^\177\000\000\340\000\000\000\000\000\000\000 \247H\212^\177\000\000\301\000\000\000\000\000\000\000 \257H\212^\177\000\000P\256H\212^\177\000\000table100_key_pk_parts_2_\000\000\000\000\000\000\000\000\000\244H\212^\177\000\000\274˸", '\000' <repeats 13 times>, "\360\250H\212^\177\000\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000\200\244H\212^\177\000\000\243\265\251\000\000\000\000\000H\254H\212^\177\000\000R\314U\222^\177\000\000\001\000\000\000\000\000\000\000v\202G\222^\177\000\000\000\000\000\006\003\005\000\000\370\250H\212^\177\000\000(\266\002D^\177\000\000\030\000\000\000\000\000\000\000\200\244H\212^\177\000\000", 
          new_alias_buff =             "\000\000\000\000\000\000\000\360\250H\212^\177\000\000\000\000\000\000\000\000\000\000\240\244H\212^\177\000\000\274˸", '\000' <repeats 13 times>, "\220\251H\212^\177\000\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000 \245H\212^\177\000\000\243\265\251\000\000\000\000\000\350\254H\212^\177\000\000\000\000\000\000\000\000\000\000\360\244H\212^\177\000\000\274˸", '\000' <repeats 13 times>, "\340\251H\212^\177\000\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000p\245H\212^\177\000\000\243\265\251\000\000\000\000\000\070\255H\212^\177\000\000\064\027R\222^\177\000\000\001\000\000\000\000\000\000\000h\330\000D^\177\000\000ХH\006\003\005\000\000\350\251H\212^\177\000\000\220\246\002D^\177\000\000\030\000\000\000\000\000\000\000p\245H\212^\177\000\000\000\000\000\000\000\000\000\000\340\251H\212^\177\000\000\003\000\000\000\000\000\000\000\377\377\377\377", '\000' <repeats 12 times>, " \246H\212^\177\000\000\276\274\251\000\000\000\000\000\350\254H\212^\177\000\000\340\251H\212^\177\000\000\300\245H\212^\177\000\000C\375\246\000\000\000\000\000\000\000R\222^\177\000\000\000\200\000\000\000\000\000\000f\vR\222^\177\000\000\000@\000\000\000\000\000\000 \246H\212^\177\000\000\303\a\247\000\000\000\000\000\070\255H\212^\177\000\000\064\027R\222^\177\000\000\001\000\000\000\000\000\000\000\220\246\002D^\177\000\000 \246H\212^\177\000\000\311\004\247\000\000\000\000\000\064\027R\222^\177\000\000\000\000\000\000\000\000\000\000@\246H\212^\177\000\000\274˸", '\000' <repeats 13 times>, "\060\253H\212^\177\000\000\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000\000\300\246H\212^\177\000\000\243\265\251\000\000\000\000\000\210\256H\212^\177\000\000", <incomplete sequence \305>, 
          path =             "./test/table10_int_autoinc\000s_2_int_autoinc\000\177\000\000\030\000\000\000\000\000\000\000\300\246H\212^\177\000\000\000\000\000\000\000\000\000\000\060\253H\212^\177\000\000\000\000\000\000\000\000\000\000\001", '\000' <repeats 15 times>, "p\247H\212^\177\000\000\276\274\251\000\000\000\000\000 \256H\212^\177\000\000\004\000\000\000\000\000\000\000\020\247H\212^\177\000\000C\375\246\000\000\000\000\000\000\300*\222^\177\000\000\000\200\000\000\000\000\000\000j\305*\222^\177\000\000\000@\000\000\000\000\000\000p\247H\212^\177\000\000\303\a\247\000\000\000\000\000\210\256H\212^\177\000\000j\305*\222^\177\000\000\001\000\000\000\000\000\000\000\020\303\003D^\177\000\000p\247H\212^\177\000\000\311\004\247\000\000\000\000\000j\305*\222^\177\000\000\020\303\003D^\177\000\000j\305*\222^\177\000\000j\305*\222^\177\000\000\300\256H\212^\177\000\000\263\067\247\000\000\000\000\000\265\001", '\000' <repeats 15 times>, "\273H\212^\177\000\000\342\377*\222^\177\000\000\000@\000\000\000\000\000\000\070\263H\212^\177\000\000@\304\345\220^\177\000\000\060\263H\212^\177\000\000\002\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\210\256H\212^\177\000\000X\357\033|^\177\000\000\200\256H\212^\177\000\000\000\000\000\000\000\000\000\000x\256H\212^\177\000\000\070\024A\001\000\000\000\000`\301*\222^\177\000\000\000\000\000\000\000\000\000\000\060\250H\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306", '\000' <repeats 17 times>, "\333\a\000\000\f\000\000\200\002\000\000\000\230\347", <incomplete sequence \327>, 
          new_path =             "./test/table10_int_autoinc\000s_2_int_autoinc\000\357\177\001\000\000\000\000\000\000\000./te\001\000\000\000\b2\226\002\000\000\000\000\200\000\000\000\001", '\000' <repeats 11 times>, "\n", '\000' <repeats 11 times>, "^\177\000\001\000\000\000\000\000\000\000\000\001", '\000' <repeats 13 times>, "\034@\000\000\000\000\000\000\034@\000\000\000\000\000\000\360?@\252H\212^\177\000\000d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000R\314U\222^\177\000\000H?!|^\177\000\000\f\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\260\a\004D^\177\000\000\377\377\377\377\377\377\357\177\000\000\000\000\000\000\360?\377\377\377\377\377\377\357\177d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\246\202G\222^\177\000\000X\332\036|^\177\000\000\006\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\220\251H\212^\177\000\000Q۰\000\000\000\000\000\000\251H\212^\177\000\000ȩ\003D^\177\000\000d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000&\227Q\222^\177\000\000Ȟ\026|^\177\000\000\f\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\340\251H\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\064\027R\222^\177\000\000H?!|^\177\000\000\f\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000x\313T\222^\177\000\000H?!|^\177\000\000\f\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\240\252H\212^\177\000\000Uӻ\000\000\000\000\000p\252H\212^\177\000\000!۰", 
          tmp_path =             "./test/#sql-605a_11\000\340\252H\212^\177\000\000x\254\266\000\000\000\000\000\240\252H\212^\177\000\000\335\300\273\000\000\000\000\000d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\307fU\222^\177\000\000H?!|^\177\000\000\f\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000 \253H\212^\177\000\000Uӻ\000\000\000\000\000\360\252H\212^\177\000\000!۰\000\000\000\000\000\000\253H\212^\177\000\000\070\022\347\220^\177\000\000`\253H\212^\177\000\000x\254\266\000\000\000\000\000 \253H\212^\177\000\000\335\300\273\000\000\000\000\000\060\253H\212^\177\000\000!۰\000\000\000\000\000@\253H\212^\177\000\000\200\021\347\220^\177\000\000d\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000j\305*\222^\177\000\000X\357\033|^\177\000\000\006\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\300\253H\212^\177\000\000Uӻ\000\000\000\000\000\220\253H\212^\177\000\000!۰\000\000\000\000\000\240\253H\212^\177\000\000H\361\346\220^\177\000\000\260\253H\212^\177\000\000!۰\000\000\000\000\000\300\253H\212^\177\000\000(\205A\002\000\000\000\000\020\254H\212^\177\000\000Uӻ\000\000\000\000\000\340\253H\212^\177\000\000!۰\000\000\000\000\000\360\253H\212^\177\000\000(\365\346\220^\177\000\000P\254H\212^\177\000\000x\254\266\000\000\000\000\000\020\254H\212^\177\000\000\335\300\273\000\000\000\000\000 \254H\212^\177\000\000!۰\000\000\000\000\000\060\254H\212^\177\000\000p\364\346\220^\177\000\000P\254H\212^\177\000\000\000\000\000\000\000\000\000\000(\365\346\220^\177\000\000\034\233y\325\000\000\000\000\000\364\346\220^\177\000\000\000\000\000\000\000\000\000\000p\255H\212^\177\000\000Ld\267\000", 
          tmp_table = false
        }
        alter_prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b19d0 <vtable for Alter_table_prelocking_strategy+16>
          }, <No data fields>}
        data_file =           " \270\002D^\177\000\000\220\246\002D^\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\260\243\002D^\177\000\000\303,R\222^\177\000\000 \264H\212^\177\000\000 \361\000D^\177\000\000\000\000\000\000\000\000\000\000x\200\000D^\177\000\000t\207", '\000' <repeats 14 times>, "\020\000\000\000\000\000\000\000\001", '\000' <repeats 15 times>, "`5T\001\000\000\000\000\240\324\003D^\177\000\000\020\303\003D^\177", '\000' <repeats 18 times>, "\060\300\003D^\177\000\000\000\000\000\000\000\000\000\000\240\264H\212^\177\000\000\020G\003D^\177\000\000\001\000\000\000\000\000\000\000x\200\000D^\177\000\000t\207", '\000' <repeats 14 times>, "\060\000\000\000\000\000\000\000\067", '\000' <repeats 15 times>, "\003", '\000' <repeats 15 times>, "\001", '\000' <repeats 19 times>, ",\037\000\000\020\000\000\200\002\000\000\000\274\351\333\000\000\000\000\000мH\212^\177\000\000Fn\230\000\000\000\000\000\060\265H\212^\177\000\000\370\264\306\000\000\000\000\000\020\000\000\000\000\000\000\000мH\212^\177\000\000\220\267H\212^\177\000\000\243\322\306", '\000' <repeats 37 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\022\000\000\000\000\000\000\000\260%\000\000,\037\000\000\016\000\000\200\002\000\000\000\274\351\333", '\000' <repeats 37 times>, "x\200\000D^\177\000\000`\275H\212^\177\000\000 \270H\212^\177\000\000\243\322\306\000\000\000\000"
        key_info = <optimized out>
        varchar = <optimized out>
        _db_stack_frame_ = {
          func = 0xd777a3 "Sql_cmd_alter_table::execute", 
          file = 0xd777d0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a48c330
        }
        table = <optimized out>
        target_mdl_request = {
          type = 2320022848, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x9af, 
          prev_in_list = 0x0, 
          ticket = 0xb2e278 <trx_commit_low(trx_t*, mtr_t*)+1016>, 
          key = {
            m_length = 47776, 
            m_db_name_length = 35400, 
            m_ptr =               "^\177\000\000Fn\230\000\000\000\000\000 \270H\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\\Q\313\000\000\000\000\000H?!|v\001\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\270H\212^\177\000\000\370\264\306\000\000\000\000\000\001", '\000' <repeats 15 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\036\000\000\000\000\000\000\000\030\275H\212\032\027\000\000\006\000\000\200\002\000\000\000!_\315\000\000\000\000\000,", '\000' <repeats 15 times>, "@\203\001D^\177\000\000Fn\230\000\000\000\000\000\340\270H\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000d\000\000\000\000\000\000\000\030\275H\212\241\025\000\000\006\000\000\200\002\000\000\000v\"\314\000\000\000\000\000U\217\315\000\000\000\000\000\004", '\000' <repeats 15 times>, "\021\000\000\000\002\000\000\000\025\000\000\000\000\000\000\000\031\000\000\000\000\000\000\000\035\000\000\000\000\000\000\000!\000\000\000\000\000\000\000\"\000\000\000\000\000\000\000#", '\000' <repeats 15 times>, "Fn\230\000\000\000\000\000\220\271H\212^\177", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        no_ha_table = <optimized out>
        backup_name =           "\360\273H\212^\177\000\000\262\233q", '\000' <repeats 20 times>
        __FUNCTION__ =           "mysql_alter_table"
        tables_opened = <optimized out>
        mdl_ticket = <optimized out>
        fast_alter_partition = <optimized out>
        new_table = <optimized out>
        deleted = <optimized out>
        error = <optimized out>
        new_db_type = <optimized out>
        index_file =           '\000' <repeats 12 times>, "\202\037\000\000\r\000\000\200\002\000\000\000\317\351\333\000\000\000\000\000X\332\036|^\177\000\000\210F\001D^\177\000\000\320\021\006D^\177\000\000\260\206\035|^\177\000\000`\266H\212^\177\000\000|ʟ\000\000\000\000\000\001", '\000' <repeats 15 times>, "H?!|^\177\000\000 \000\000D^\177", '\000' <repeats 18 times>, "ȶH\212^\177\000\000\000BC\f4\000\000\000\240$z\002\000\000\000\000pv\262\000\000\000\000\000\340\266H\212^\177\000\000B;H\f4\000\000\000\200\275H\212^\177\000\000p\275H\212^\177\000\000%\000\000\000\000\000\000\000\260\276H\212^\177\000\000dQ\313\000\000\000\000\000\347CD\f4\000\000\000dQ\313", '\000' <repeats 13 times>, "\340\266H\212^\177\000\000\310Dy\002\000\000\000\000@\324S\001\000\000\000\000S\005\000\000\000\000\000\000P\267H\212^\177\000\000\230\232\262\000\000\000\000\000`\274H\212^\177\000\000\000\000\000\000\000\000\000\000\\Q\313\000\000\000\000\000Q۰\000\000\000\000\000\060\267H\212^\177\000\000\000\000\000\000\000\000\000\000̼H\212^\177\000\000\350\274H\212^\177\000\000P\267H\212\000\000\000\000\b\275H\212^\177\000\000\000\200\000D^\177\000\000\000\000\000\000\000\000\000\000\340\267H\212^\177\000\000\274ò\000\000\000\000\000\000\000\000\000^\177\000\000P\276H\212^\177\000\000\031\000\000\000\000\000\000\000P\270H\212^\177\000\000\377\377\377\377\377\377\377\377\300\274H\212^\177", '\000' <repeats 26 times>, "\070\274H\212^\177\000\000\025\000\000\000\000\000\000\000 \200\000D^\177", '\000' <repeats 17 times>
#21 0x0000000000892ca7 in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x2960e60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
        lex = 0x2963228
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e8a48c230
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_NOT_USED, 
          null_bits = 0, 
          options = 0, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alter_info = {
          static ALTER_ADD_COLUMN = 1, 
          static ALTER_DROP_COLUMN = 2, 
          static ALTER_CHANGE_COLUMN = 4, 
          static ALTER_ADD_INDEX = 8, 
          static ALTER_DROP_INDEX = 16, 
          static ALTER_RENAME = 32, 
          static ALTER_ORDER = 64, 
          static ALTER_OPTIONS = 128, 
          static ALTER_CHANGE_COLUMN_DEFAULT = 256, 
          static ALTER_KEYS_ONOFF = 512, 
          static ALTER_CONVERT = 1024, 
          static ALTER_RECREATE = 2048, 
          static ALTER_ADD_PARTITION = 4096, 
          static ALTER_DROP_PARTITION = 8192, 
          static ALTER_COALESCE_PARTITION = 16384, 
          static ALTER_REORGANIZE_PARTITION = 32768, 
          static ALTER_PARTITION = 65536, 
          static ALTER_ADMIN_PARTITION = 131072, 
          static ALTER_TABLE_REORG = 262144, 
          static ALTER_REBUILD_PARTITION = 524288, 
          static ALTER_ALL_PARTITION = 1048576, 
          static ALTER_REMOVE_PARTITIONING = 2097152, 
          static ADD_FOREIGN_KEY = 4194304, 
          static DROP_FOREIGN_KEY = 8388608, 
          static ALTER_EXCHANGE_PARTITION = 16777216, 
          static ALTER_TRUNCATE_PARTITION = 33554432, 
          static ALTER_COLUMN_ORDER = 67108864, 
          drop_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c270, 
              elements = 0
            }, <No data fields>}, 
          alter_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c288, 
              elements = 0
            }, <No data fields>}, 
          key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c2a0, 
              elements = 0
            }, <No data fields>}, 
          create_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c2b8, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c2d0, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_info = 0x0, 
          delayed_key_count = 0, 
          flags = 512, 
          keys_onoff = Alter_info::ENABLE, 
          partition_names = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a48c300, 
              elements = 0
            }, <No data fields>}, 
          num_parts = 0, 
          requested_algorithm = Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT, 
          requested_lock = Alter_info::ALTER_TABLE_LOCK_DEFAULT
        }
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a48cfe0
        }
        __PRETTY_FUNCTION__ =           "virtual bool Sql_cmd_alter_table::execute(THD*)"
        priv = 536870911
        priv_needed = 8192
        select_lex = 0x2963938
        first_table = 0x7f5e44018e68
        result = <optimized out>
#22 0x000000000072102b in mysql_execute_command (thd=0x2960e60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
        res = 0
        lex = 0x2963228
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a48d0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 14, 
            has_disabled_I_S = 150, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a48cfd0 "0\320H\212^\177", 
            previous_key =               "`\016\226\002\000\000\000\000\360\317H\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 207, 
            has_disabled_I_S = 72, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\317H\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x2963208, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x2963938
        first_table = 0x7f5e44018e68
        all_tables = 0x7f5e44018e68
        unit = 0x29632f0
        have_table_map_for_update = false
#23 0x0000000000727818 in mysql_parse (thd=0x2960e60, rawbuf=0x2963228 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x2963228
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a48dbf0
        }
        start_usecs = 1373676108979503
        end_usecs = 0
        start_cpu_nsecs = 407990302
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 979503
        }
        end_time = {
          tv_sec = 140044023681328, 
          tv_usec = 20970144
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 407990302
        }
#24 0x0000000000728a77 in dispatch_command (command=<optimized out>, thd=0x2960e60, packet=0xa1 <Address 0xa1 out of bounds>, packet_length=1140870224) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1449
        beginning_of_next_stmt = 0x7f5e44004e02 "ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS"
        length = <optimized out>
        packet_end = 0x7f5e44004ea3 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2960e60, 
            yylineno = 1, 
            yytoklen = 34, 
            yylval = 0x7f5e8a48cf30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e44004e3d " ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_tok_start = 0x7f5e44004e3d " ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_tok_end = 0x7f5e44004e3d " ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_end_of_query = 0x7f5e44004ea3 "", 
            m_tok_start_prev = 0x7f5e44004e3c "; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_buf = 0x7f5e44004e02 "ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_buf_length = 161, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e44004f08 "ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS;;", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_ptr = 0x7f5e44004f43 ";", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_start = 0x7f5e44004f43 ";", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_start_prev = 0x7f5e44004f42 ";;", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_end = 0x7f5e44004f43 ";", '\217' <repeats 492 times>, "\340jN\001", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x7f5e44004e3d " ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e44004f14 "table10_key_pk_parts_2_int_autoinc ENABLE KEYS;;", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_text_end = 0x7f5e44004f36 " ENABLE KEYS;;", '\217' <repeats 492 times>, "\340jN\001", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x29629b0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29610c0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a48dce0
        }
#25 0x0000000000729a47 in do_command (thd=0x2960e60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2964df0 "\a"
        packet_length = <optimized out>
        net = 0x29610c0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#26 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2960e60
#27 0x00000000006ed727 in handle_one_connection (arg=0x2960e60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2960e60
#28 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2960e60
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#29 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#30 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 38 (LWP 25068):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a44ac00, mutex=0x2969088, that=0x29690b8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x2969088, owner=0x2968f50, abs_timeout=0x7f5e8a44ac00, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x2969088, mdl_request=0x7f5e380058e8, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e38004b90
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 888707600
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x2969088, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e38049e90
        p_req = 0x7f5e38049e98
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x2968f50, tables_start=0x7f5e38004dc0, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 4
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a44ad10
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e38023c60 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e380058e8, 
          prev_in_list = 0x7f5e8a44af48, 
          ticket = 0x7f5e38020ef0, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000!۰\000\000\000\000\000\t\000\000\200^\177\000\000\030}\002\070^\177\000\000\373O\332\000\000\000\000\000Fn\230\000\000\000\000\000\200\255D\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000d\001\000\000\000\000\000\000Fn\230\000\000\000\000\000\270\247\226\002\000\000\000\000Fn\230\000\000\000\000\000ЭD\212^\177\000\000\270\247\226\002\000\000\000\000\360\255D\212^\177\000\000`l\000\070^\177", '\000' <repeats 18 times>, "^\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\300QN\001\000\000\000\000Fn\230\000\000\000\000\000 \256D\212^\177\000\000\300QN\001\000\000\000\000\373O\332\000\000\000\000\000Fn\230\000\000\000\000\000@\256D\212^\177\000\000\370\264\306\000\000\000\000\000\340\n\002\070^\177\000\000Fn\230\000\000\000\000\000`\256D\212^\177\000\000\370\264\306\000\000\000\000\000d\001\000\000\000\000\000\000\340\n\002\070^\177\000\000\300\260D\212^\177\000\000\243\322\306\000\000\000\000\000\220\256D\212^\177\000\000\270\247\226\002I\002\000\000\b\000\000\200\002\000\000\000\363'\332", '\000' <repeats 13 times>, "Ц\226\002\000\000\000\000\360\256D\212^\177\000\000\365ٗ\000\000\000\000\000P\217\226\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000007a26a2 in mysql_drop_view (thd=0x2968f50, views=0x7f5e38004dc0, drop_mode=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:1814
        view = <optimized out>
        wrong_object_name = 0x0
        not_used = 32606
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a44bfe0
        }
        some_views_deleted = false
        path =           "\005\000\000\200\002\000\000\000!_\315\000\000\000\000\000`\260D\212^\177\000\000\370\264\306\000\232\n\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\200\260D\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\340\262D\212^\177\000\000\243\322\306\000\000\000\000\000\005\000\000\200\002\000\000\000\340\n\002\070\312\n\000\000\006\000\000\200\002\000\000\000\000\001\315\000\000\000\000\000\020\241\071\002\000\000\000\000\060\261D\212^\177\000\000`\263D\212^\177\000\000Fn\230\000\000\000\000\000\360\260D\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\060\261D\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\b\000\000\200^\177\000\000\260\261D\212^\177\000\000p\001\000\000\002\000\000\000&\360\316\000\000\000\000\000\r\271\311~\363\217\005\224\260\261D\212^\177\000\000\270\251\226\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\000\262D\212^\177\000\000\314\305s\000\000\000\000\000\020\262D\212^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\240\262D\212^\177\000\000\360\261D\212^\177\000\000P\217\226\002\000\000\000\000!_\315\000\000\000\000\000Fn\230\000\000\000\000\000\020\262D\212^\177\000\000\370\264\306\000\000\000\000\000P\262D\212^\177\000\000!_\315\000\000\000\000\000p\262D\212^\177\000\000\264\302\306\000\000\000\000\000P\217\226\002\000\000\000\000@\263D\212^\177\000\000\234"
        non_existant_views = {
          Ptr = 0x0, 
          str_length = 0, 
          Alloced_length = 0, 
          alloced = false, 
          str_charset = 0x14167a0 <my_charset_bin>
        }
        wrong_object_db = 0x0
        error = false
        something_wrong = false
#7  0x0000000000724164 in mysql_execute_command (thd=0x2968f50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5016
        res = 0
        lex = 0x296b318
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a44c0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 143, 
            has_disabled_I_S = 150, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a44bfd0 "0\300D\212^\177", 
            previous_key =               "P\217\226\002\000\000\000\000\360\277D\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 191, 
            has_disabled_I_S = 68, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\277D\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x296b2f8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x296ba28
        first_table = 0x7f5e38004dc0
        all_tables = 0x7f5e38004dc0
        unit = 0x296b3e0
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x2968f50, rawbuf=0x296b318 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x296b318
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a44cbf0
        }
        start_usecs = 1373676108888449
        end_usecs = 0
        start_cpu_nsecs = 291756522
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 888449
        }
        end_time = {
          tv_sec = 43421520, 
          tv_usec = 140042643197008
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 291756522
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2968f50, packet=0x296cee1 "DROP VIEW transforms.view_25067_merge , transforms.view_25067_temptable", packet_length=71) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e38004c97 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2968f50, 
            yylineno = 1, 
            yytoklen = 20, 
            yylval = 0x7f5e8a44bf30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e38004c98 "\004", 
            m_tok_start = 0x7f5e38004c98 "\004", 
            m_tok_end = 0x7f5e38004c98 "\004", 
            m_end_of_query = 0x7f5e38004c97 "", 
            m_tok_start_prev = 0x7f5e38004c97 "", 
            m_buf = 0x7f5e38004c50 "DROP VIEW transforms.view_25067_merge , transforms.view_25067_temptable", 
            m_buf_length = 71, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e38004d00 "DROP VIEW transforms.view_25067_merge , transforms.view_25067_temptable", 
            m_cpp_ptr = 0x7f5e38004d47 "", 
            m_cpp_tok_start = 0x7f5e38004d47 "", 
            m_cpp_tok_start_prev = 0x7f5e38004d47 "", 
            m_cpp_tok_end = 0x7f5e38004d47 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e38004d33 "view_25067_temptable", 
            m_cpp_text_end = 0x7f5e38004d47 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_UNLOCK, 
            m_mdl_type = MDL_EXCLUSIVE, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29691b0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a44cce0
        }
#10 0x0000000000729a47 in do_command (thd=0x2968f50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x296cee0 "\003DROP VIEW transforms.view_25067_merge , transforms.view_25067_temptable"
        packet_length = <optimized out>
        net = 0x29691b0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2968f50
#12 0x00000000006ed727 in handle_one_connection (arg=0x2968f50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2968f50
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2968f50
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 37 (LWP 24674):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=0, array=0x240a4d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e9928b000
        end_pos = 256
        events = 0x240a780
#2  os_aio_linux_handle (global_seg=6, message1=0x7f5e8ce58d98, message2=0x7f5e8ce58d90, type=0x7f5e8ce58d88, space_id=0x7f5e8ce58d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 0
        array = 0x240a4d0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=6) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 6
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 36 (LWP 25059):
+bt full
#0  0x00000000007a488b in strconvert (from_cs=0x14db360 <my_charset_utf8_general_ci>, from=0x7f5e4c023178 "test", to_cs=0x14db660 <my_charset_filename>, to=0x7f5e8a50bc30 "\270\r\225\002", to_length=512, errors=0x7f5e8a50bbcc) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/strfunc.cc:276
        wc = 9989702
        to_start = 0x7f5e8a50bc30 "\270\r\225\002"
        cnvres = <optimized out>
        to_end = 0x7f5e8a50be2f ""
        mb_wc = 0xc8a6d0 <my_utf8_uni>
        wc_mb = 0xc8a9e0 <my_wc_mb_filename>
        error_count = 0
#1  0x00000000007728a3 in tablename_to_filename (from=0x7f5e4c023178 "test", to=0x7f5e8a50bc30 "\270\r\225\002", to_length=512) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:510
        errors = 0
        length = <optimized out>
        _db_stack_frame_ = {
          func = 0xcf5c95 "build_table_filename", 
          file = 0xcf6488 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc", 
          level = 2147483656, 
          prev = 0x7f5e8a50c030
        }
#2  0x0000000000772a0d in build_table_filename (buff=0x7f5e8a50c65a "./test/table100_int_autoinc", bufflen=512, db=0x7f5e4c023178 "test", table_name=<optimized out>, ext=0xdadda0 "", flags=<optimized out>, was_truncated=0x7f5e8a50c0af) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:570
        tab_len = 35
        db_len = <optimized out>
        end = <optimized out>
        rootdir_len = <optimized out>
        tbbuff =           "table100_key_pk_parts_2_int_autoinc\000\064\000\000\000\264\302\306\000\032\r\000\000\a\000\000\200\002\000\000\000\065H\313\000\000\000\000\000p\001\000\000\002\000\000\000&\360\316\000\000\000\000\000\017\275\341\000\000\000\000\000Fn\230\000\066\060\065e\000\276P\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "\006\000\000\000\000\000\000\000E\000\000\000\000\000\000\000\372\301P\212^\177\000\000x\000\000\000\000\000\000\000\372\301P\212^\177\000\000@\277P\212^\177\000\000\352\265\311\000\000\000\000\000@\277P\212^\177\000\000\000\000\000\000\000\000\000\000\377\377\377\377\377\377\377\377\000\000\000\000^\177\000\000`\300P\212^\177\000\000H0\225\002\000\000\000\000p\277P\212^\177\000\000\202n\327\000\000\000\000\000\372\301P\212^\177\000\000\377\377\377\377\377\377\377\377?\302P\212^\177\000\000\260\277P\212^\177\000\000\240\277P\212^\177\000\000z\304\311\000\000\000\000\000\200\f\225\002\000\000\000\000>\302P\212^\177\000\000@\377D\001\000\000\000\000\360\301P\212^\177\000\000\340\300P\212^\177\000\000\260\301P\212^\177\000\000`6\002L^\177\000\000\204\331M\001\000\000\000\000\200\f\225\002\000\000\000\000\360\301P\212^\177\000\000\200\300P\212^\177\000\000d\307\311\000\000\000\000\000\060\000\000\000\060\000\000\000\220\300P\212^\177\000\000пP\212^\177\000\000\240\333P\212^\177\000\000\a\000\000\200\000\000\000\000\250\301P\212^\177\000\000\270\333P\212^\177\000\000_e\336\000\000\000\000\000Z`\000\000\000\000\000\000\016\000\000\000\000\000\000\000\000&\225\002\000\000\000\000h6\002L^\177\000\000\065H\313\000\000\000\000\000Fn\230\000\000\000\000\000@\300P\212^\177\000\000\370\264\306\000\000\000\000"
        dbbuff =           "\270\r\225\002\000\000\000\000\070\277P\212^\177\000\000\220\274P\212^\177\000\000\201\255\226\000\000\000\000\000ٔ\315\000\000\000\000\000@\227\315\000\000\000\000\000\b\000\000\200\000\000\000\000\200\300P\212^\177\000\000\000\000\000\000\000\000\000\000\200\f\225\002\000\000\000\000+\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\260\274P\212^\177\000\000\370\264\306\000\000\000\000\000 \240k\000\000\000\000\000+\000\000\000\000\000\000\000\020\277P\212^\177\000\000\243\322\306\000\000\000\000\000@\275P\212^\177\000\000\200\063\341\001\372\032\000\000\t\000\000\200\002\000\000\000\017\275\341", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\020\275P\212^\177\000\000\370\264\306\000\000\000\000\000\003", '\000' <repeats 15 times>, "p\277P\212^\177\000\000\243\322\306", '\000' <repeats 13 times>, "\a\004\000\000x\024\000\000\a\000\000\200\002\000\000\000ٔ\315\000\000\000\000\000\240\275P\212^\177\000\000\311:o\000\000\000\000\000\356\027\316\000\000\000\000\000\320\030\316\000\000\000\000\000\b\000\000\200\000\000\000\000\300\277P\212^\177\000\000\220\275P\212^\177\000\000\a\004\000\000\000\000\000\000O17\002\000\000\000\000\300\277P\212^\177\000\000@\300P\212^\177\000\000Fn\230\000\000\000\000\000\300\275P\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "@\300P\212^\177\000\000 \300P\212^\177\000\000\243\322\306\000\000\000\000\000gine for 'tav\001\000\000\a\000\000\200\002\000\000\000&\360\316\000\000\000\000\000\020\276P\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\260\300P\212^\177\000\000Fn\230\000\000\000\000\000@\276P\212^\177\000\000\370\264\306\000\000\000\000"
        _db_stack_frame_ = {
          func = 0xcf612e "mysql_alter_table", 
          file = 0xcf6488 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a50db60
        }
        pos = <optimized out>
#3  0x00000000008922a3 in build_table_filename (flags=0, ext=0xdadda0 "", table=<optimized out>, db=<optimized out>, bufflen=512, buff=0x7f5e8a50c65a "./test/table100_int_autoinc") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.h:159
        truncated_not_used = false
#4  Alter_table_ctx::Alter_table_ctx (this=0x7f5e8a50c1b0, thd=0x2950c80, table_list=<optimized out>, tables_opened_arg=<optimized out>, new_db_arg=<optimized out>, new_name_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:168
No locals.
#5  0x000000000077f9ae in mysql_alter_table (thd=0x2950c80, new_db=0x7f5e4c023178 "test", new_name=0x0, create_info=0x7f5e8a50e190, table_list=0x7f5e4c023660, alter_info=0x7f5e8a50e270, order_num=0, order=0x0, ignore=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:7867
        __PRETTY_FUNCTION__ =           "bool mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, uint, ORDER*, bool)"
        partition_changed = <optimized out>
        old_db_type = <optimized out>
        copied = <optimized out>
        key_count = <optimized out>
        table_kind = <optimized out>
        alter_ctx = {
          datetime_field = 0x0, 
          error_if_not_empty = false, 
          tables_opened = 1, 
          db = 0x7f5e4c023178 "test", 
          table_name = 0x7f5e4c023100 "table100_key_pk_parts_2_int_autoinc", 
          alias = 0x7f5e4c023100 "table100_key_pk_parts_2_int_autoinc", 
          new_db = 0x7f5e4c023178 "test", 
          new_name = 0x7f5e4c023100 "table100_key_pk_parts_2_int_autoinc", 
          new_alias = 0x7f5e4c023100 "table100_key_pk_parts_2_int_autoinc", 
          tmp_name =             "#sql-605a_e\000\000\000\000\000hU\001L^\177\000\000\060\302P\212^\177\000\000\250!\225\002\000\000\000\000\022\000\000\000\000\000\000\000p\302P\212^\177\000\000\302D\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000", 
          fk_error_if_delete_row = false, 
          fk_error_id = 0x0, 
          fk_error_table = 0x0, 
          new_filename =             "./test/table100_int_autoinc.frm\000_autoinc.frm\000\000\000\000\350\060\a|^\177", '\000' <repeats 34 times>, " \325P\212^\177\000\000\002\000\000\000\000\000\000\000\270G\002L\022\000\000\000\370^\t|^\177\000\000d\000\000\000\000\000\000\000\b\000\000\000\000\000\000\000\215\202N\221^\177\000\000x\301\006|^\177\000\000\200\f\225\002\000\000\000\000Fn\230\000\000\000\000\000 \303P\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000S\000\000\000\000\000\000\000\030\367\002L\216\b\000\000\000\347\001L^\177\000\000Fn\230\000\000\000\000\000p\303P\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000\000\347\001L^\177\000\000\320\305P\212^\177\000\000\243\322\306\000\000\000\000\000\000\313P\212^\177\000\000\340\000\000\000$-\000\000\f\000\000\200\v\000\000\000Ɔ\341\000\000\000\000\000 \317P\212^\177\000\000P\316P\212^\177\000\000table1_key_pk_parts_2_int_autoinc@0023P@0023p1\000\000\000\304P\212^\177\000\000\350\304P\212^\177\000\000 \304P\212^\177\000\000\300\304P\212^\177\000\000\360?\002L^\177\000\000 \327P\212^\177\000\000\066\222\320\000\000\000\000\000\240\225\320\000\000\000\000\000\n\000\000\200\000\000\000\000\200\331P\212^\177\000\000\n\000\000\200", '\000' <repeats 12 times>, "\200\f\225\002\000\000\000\000\300\304P\212^\177\000\000\360?\002L^\177\000\000", 
          new_alias_buff =             "\000\000\000\000\000\000\000\330\304P\212^\177\000\000\000BC\f4\000\000\000\240$z\002\000\000\000\000pv\262\000\000\000\000\000\360\304P\212^\177\000\000@\324S\001\000\000\000\000\360\304P\212^\177\000\000(\267\002L^\177\000\000\300\304P\212^\177\000\000!۰\000\000\000\000\000\320\304P\212^\177\000\000\310Dy\002\000\000\000\000\360\304P\212^\177\000\000\005\203\262\000\000\000\000\000\360\304P\212^\177\000\000\310Dy\002\000\000\000\000\340H\002L^\177\000\000Fn\230\000\000\000\000\000\350\342\333\000\000\000\000\000Fn\230\000\000\000\000\000 \305P\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\016\000\000\200\v\000\000\000\220\305P\212^\177\000\000x\b\000\000\v\000\000\000\350\342\333\000\000\000\000\000p\305P\212^\177\000\000\200\f\225\002\000\000\000\000hU\001L^\177\000\000\220\305P\212^\177\000\000\250!\225\002\000\000\000\000\022\000\000\000\000\000\000\000\320\305P\212^\177\000\000\302D\237\000\000\000\000\000Ɔ\341\000\000\000\000\000h\027\334\000\000\000\000\000\r\000\000\200^\177\000\000\000\347\001L^\177\000\000\001\000\000\000\000\000\000\000\000@", '\000' <repeats 14 times>, "'\000\000\000\000\000\000\000\320\330P\212^\177\000\000\027\220\240\000\000\000\000\000\n\000\000\000\000\000\000\000P\316P\212^\177\000\000\200\306P\212^\177\000\000x\342\262\000\000\000\000\000\372\244\301\221^\177\000\000\310\335\005|^\177\000\000\200\330P\212^\177\000\000\n\000\000\000\000\000\000\000\035\000\000\000\022\000\000\000\370^\t|^\177\000\000\070\000\000\000\000\000\000\000>\000\000\000\000\000\000\000E\000\000\000\000\000\000\000I\000\000\000\000\000\000\000Q\000\000\000\000\000\000\000(\267", 
          path =             "./test/table100_int_autoinc\000_int_autoinc\000\212^\177\000\000\026\346\262\000\000\000\000\000\300\306P\212^\177\000\000\250Wy\002\000\000\000\000\300\306P\212^\177\000\000e\001\273\000\000\000\000\000VARCHAR(3072) NOT NULL\000L\000\002\273\000\000\000\000\000 \307P\212^\177\000\000\060\313P\212^\177\000\000@\264\341\000\000\000\000\000Fn\230\000\000\000\000\000\020\307P\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000`\311P\212^\177\000\000\220\307P\212^\177\000\000D\034\000\000\v\000\000\000@\264\341\000\000\000\000\000@\343\327\000\000\000\000\000\340H\002L^\177\000\000\220\307P\212^\177\000\000\377\377\377\377\000\000\000\000\220\326P\212^\177\000\000\002\000\000\000\000\000\000\000\320\307P\212^\177\000\000<}\305\000\000\000\000\000\001", '\000' <repeats 14 times>, "@@\343\327\000\000\000\000\000h\342\327\000\000\000\000\000\016\000\000\200\000\000\000\000\070$\000L^\177\000\000()\000L^\177\000\000\000\000\000\000\000\000\000\000\220\326P\212^\177\000\000\002\000\000\000\000\000\000\000\300\312P\212^\177\000\000B-\215\000\000\000\000\000\t\000\000\000\000\000\000\000\002", '\000' <repeats 15 times>, "\260", '\000' <repeats 31 times>, "\t\000\000\000\062\000\000\000[\000\000\000|\000\000\000w\000\000\000n", '\000' <repeats 11 times>, "Fn\230\000\000\000\000\000`\310P\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000\000\000", 
          new_path =             "./test/table100_int_autoinc\000_int_autoinc\000\v\000\000\000\230\347\327\000\000\000\000\000./test/\000\000\000\000\000\000\000\000\000\200\000\000\000\000\000\000\000\200\000\000\000\000\000\000\000PW\340\000\000\000\000\000\310\365\002L^\177\000\000\001\000\000\000\000\000\000\000(0\225\002", '\000' <repeats 12 times>, "\060\267\002L^\177\000\000 \311P\212^\177", '\000' <repeats 17 times>, "@\000\000\000\000\000\000\000\000\232\231\231\231\231\231\311?\232\231\231\231\231\231\311?\377\377\377\377\377\377\357\177p\312P\212^\177\000\000P\311P\212^\177\000\001\000\000\000\000\000\000\000@333333\003@\000\000\000\000\000\000\000\000p\311P\212^\177", '\000' <repeats 17 times>, "@\377\377\377\377\377\377\357\177\000\000\000\000\000\000\000@\377\377\377\377\377\377\357\177", '\000' <repeats 16 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\300\311P\212^\177\000\000\060c\251\000J\034\000\000\r\000\000\200\002\000\000\000@\264\341\000\000\000\000\000\320\032\000L^\177\000\000Fn\230\000\000\000\000\000\340\311P\212^\177\000\000\370\264\306\000\000\000\000\000\037\000\000\000\000\000\000\000\320\032\000L^\177\000\000@\314P\212^\177\000\000\243\322\306\000\000\000\000\000\220\326P\212^\177\000\000Fn\230\000\000\000\000\000 \312P\212^\177\000\000\370\264\306\000\000\000\000\000@\312P\212^\177\000\000\220\326P\212^\177\000\000p\312P\212^\177\000\000\350\271\306", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\220\326P\212^\177\000\000\220\326P\212^\177\000\000\300\316P\212^\177\000\000\001\322P\212", 
          tmp_path =             "./test/#sql-605a_e\000\000\300\312P\212^\177\000\000\"&\215\000\000\000\000\000\063\063\063\063\063\063\003@\000\317P\212^\177\000\000\064\n", '\000' <repeats 14 times>, "\220\326P\212^\177\000\000\220\322P\212^\177\000\000()\000L^\177\000\000\001\000\000\000\000\000\000\000`\317P\212^\177\000\000\255\211\215\000\000\000\000\000\200\315P\212^\177\000\000(\267\002L^\177\000\000\n\000\000\000\000\000\000\000\200\316P\212^\177\000\000@\316P\212^\177\000\000\220\313P\212^\177\000\000 \317P\212^\177\000\000\063\063\063\063\063\063\003@\000\317P\212^\177\000\000B;H\f=\000\000\000(0\225\002\000\000\000\000>\000\000\000^\177\000\000\000\000\000\000\000\000\000\000\300\316P\212^\177\000\000\200\315P\212^\177\000\000\000\000\000\000\000\000\000\000\200\f\225\002", '\000' <repeats 18 times>, "\360?\370\264\306", '\000' <repeats 13 times>, "\001", '\000' <repeats 14 times>, "@\000\000\000\000\000\000\000\000\070$\000L^\177\000\000\000\314P\212^\177\000\000D\034\000\000\002\000\000\000@\264\341\000\000\000\000\000@\343\327\000\000\000\000\000\340H\002L^\177\000\000\000\314P\212^\177\000\000\377\377\377\377\000\000\000\000\000\333P\212^\177\000\000\002\000\000\000\000\000\000\000@\314P\212^\177\000\000<}\305", '\000' <repeats 20 times>, "@@\343\327\000\000\000\000\000h\342\327\000\000\000\000\000\r\000\000\200\000\000\000\000\320\032\000L^\177\000\000\300\037\000L^\177", '\000' <repeats 11 times>, "\333P\212^\177\000\000\002\000\000\000\000\000\000\000\060\317P\212^\177\000\000B-\215", '\000' <repeats 17 times>, "B", 
          tmp_table = false
        }
        alter_prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b19d0 <vtable for Alter_table_prelocking_strategy+16>
          }, <No data fields>}
        data_file =           "\003\000\000\000\000\000\000\000\203\\\316\000\000\000\000\000\020\324P\212^\177\000\000\327\372g\000\000\000\000\000\260\021\225\002\000\000\000\000 \324P\212^\177\000\000\b\000\000\000\000\000\000\000\360\327P\212^\177\000\000P\324P\212^\177\000\000\003\376g\000\000\000\000\000\062\000\315\000\000\000\000\000\260\065\001L^\177\000\000\260\021\225\002\000\000\000\000\017\000\000\000\000\000\000\000\250\066\001L^\177\000\000\260\021\225\002\000\000\000\000\260\324P\212^\177\000\000d|\\\000\000\000\000\000p\237\327\000\000\000\000\000\320\327P\212^\177\000\000K\003\000\000\v\000\000\000\315\023\315\000\000\000\000\000\250B\225\002\000\000\000\000\260\021\225\002\000\000\000\000\340jN\001\000\000\000\000\320\324P\212^\177\000\000\240gA\001\000\000\000\000\360\327P\212^\177\000\000@\330P\212^\177\000\000u\031h\000\000\000\000\000\000&T\001\000\000\000\000\320\327P\212^\177\000\000\060\327P\212^\177\000\000\243\322\306", '\000' <repeats 17 times>, "\367\000\000\000\v\000\000\200\v\000\000\000WP\332\000\000\000\000\000\250B\225\002\000\000\000\000Fn\230\000\000\000\000\000\060\325P\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306", '\000' <repeats 13 times>, "\250B\225\002\367\000\000\000\v\000\000\200\v\000\000\000WP\332\000\000\000\000\000k!\000L^\177\000\000\000\000\000\000\367\000\000\000\260\021\225\002\000\000\000\000Fn\230\000\000\000\000\000\240\325P\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000P\027\000L^\177\000\000Fn\230\000\066\003\000\000\v\000\000\200\v\000\000\000\262\022\315\000\000\000\000"
        key_info = <optimized out>
        varchar = <optimized out>
        _db_stack_frame_ = {
          func = 0xd777a3 "Sql_cmd_alter_table::execute", 
          file = 0xd777d0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a50e330
        }
        table = 0x7f5e4c020960
        target_mdl_request = {
          type = 2320554544, 
          duration = 32606, 
          next_in_list = 0xc6d2a3 <_db_return_+339>, 
          prev_in_list = 0x29511b0, 
          ticket = 0x2da8a50d810, 
          key = {
            m_length = 55968, 
            m_db_name_length = 35408, 
            m_ptr =               "^\177\000\000Fn\230\000\000\000\000\000 \330P\212^\177\000\000\370\264\306\000\000\000\000\000\001\000\000\000\000\000\000\000\240\332P\212^\177\000\000\200\332P\212^\177\000\000\243\322\306\000\000\000\000\000\240\031<\001\000\000\000\000Fn\230\000v\001\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000p\330P\212^\177\000\000\370\264\306\000\000\000\000\000\001", '\000' <repeats 15 times>, "\320\332P\212^\177\000\000\243\322\306\000\000\000\000\000\t\000\000\200\v\000\000\000\265\342\326\000\032\027\000\000\006\000\000\200\002\000\000\000!_\315\000\000\000\000\000\300\330P\212^\177\000\000\200\016\000L^\177\000\000x1\002L^\177\000\000Fn\230\000\000\000\000\000\340\330P\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "x1\002L^\177\000\000@\333P\212^\177\000\000\243\322\306\000\000\000\000\000\020\331P\212^\177\000\000\200\333P\212\241\025\000\000\006\000\000\200\002\000\000\000v\"\314\000\000\000\000\000 \331P\212^\177\000\000\000\000\000\000\002\000\000\000\240\331P\212^\177\000\000|\a\205\000\000\000\000\000\v\000\000\200\v\000\000\000P\332P\212^\177\000\000\177\250\300\f4\000\000\000\340\332P\212^\177\000\000\006", '\000' <repeats 23 times>, "Fn\230\000\000\000\000\000\220\331P\212^\177", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        no_ha_table = <optimized out>
        backup_name =           "\360\333P\212^\177\000\000\262\233q\000\000\000\000\000\350.\001L^\177\000\000\350\061\001L^\177\000"
        __FUNCTION__ =           "mysql_alter_table"
        tables_opened = 1
        mdl_ticket = 0x7f5e4c016540
        fast_alter_partition = <optimized out>
        new_table = <optimized out>
        deleted = <optimized out>
        error = <optimized out>
        new_db_type = <optimized out>
        index_file =           "\340jN\001\000\000\000\000P\027\000L^\177\000\000@\330P\212^\177\000\000\243\322\306\000\000\000\000\000\001\t\317\000\000\000\000\000Fn\230\000\216\n\000\000\v\000\000\200\v\000\000\000\343\363\315\000\000\000\000\000\060\326P\212^\177\000\000\001\t\317\000\000\000\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000\250B\225\002\000\000\000\000Fn\230\000\000\000\000\000`\326P\212^\177\000\000\370\264\306\000\000\000\000\000\177\250\300\f4\000\000\000\250B\225\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\250B\225\002\000\000\000\000Fn\230\000\000\000\000\000\240\326P\212^\177\000\000\250B\225\002\000\000\000\000\320\326P\212^\177\000\000\b\000\000\000\000\000\000\000WP\332\000\000\000\000\000Fn\230\000\000\000\000\000\250B\225\002\000\000\000\000Fn\230\000\000\000\000\000\340\326P\212^\177\000\000\370\264\306\000\000\000\000\000\060\327P\212^\177\000\000\250B\225\002\000\000\000\000\366\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\250B\225\002\000\000\000\000Fn\230\000\000\000\000\000 \327P\212^\177\000\000\250B\225\002\000\000\000\000P\327P\212^\177\000\000\020\000\000\000\000\000\000\000\250\061A\001\000\000\000\000\250B\225\002\000\000\000\000\240\327P\212^\177\000\000\376ۗ\000\000\000\000\000\003\000\000\000\000\000\000\000\210\066\001L^\177\000\000\340\016\225\002\000\000\000\000Fn\230\000\000\000\000\000\200\327P\212^\177\000\000\370\264\306\000\000\000\000\000\262\022\315\000\000\000\000\000\340\016\225\002\000\000\000\000\300\327P\212^\177\000\000\215\275\306\000\000\000\000\000_M\225\002\000\000\000\000ڹg\000\000\000\000\000\340\332P\212^\177\000\000Fn\230\000\000\000\000\000\320\327P\212^\177\000\000\370\264\306\000\000\000\000\000\000\330P\212^\177\000\000\340\332P\212^\177\000"
#6  0x0000000000892ca7 in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x2950c80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_alter.cc:317
        lex = 0x2953048
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e8a50e230
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_NOT_USED, 
          null_bits = 0, 
          options = 0, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alter_info = {
          static ALTER_ADD_COLUMN = 1, 
          static ALTER_DROP_COLUMN = 2, 
          static ALTER_CHANGE_COLUMN = 4, 
          static ALTER_ADD_INDEX = 8, 
          static ALTER_DROP_INDEX = 16, 
          static ALTER_RENAME = 32, 
          static ALTER_ORDER = 64, 
          static ALTER_OPTIONS = 128, 
          static ALTER_CHANGE_COLUMN_DEFAULT = 256, 
          static ALTER_KEYS_ONOFF = 512, 
          static ALTER_CONVERT = 1024, 
          static ALTER_RECREATE = 2048, 
          static ALTER_ADD_PARTITION = 4096, 
          static ALTER_DROP_PARTITION = 8192, 
          static ALTER_COALESCE_PARTITION = 16384, 
          static ALTER_REORGANIZE_PARTITION = 32768, 
          static ALTER_PARTITION = 65536, 
          static ALTER_ADMIN_PARTITION = 131072, 
          static ALTER_TABLE_REORG = 262144, 
          static ALTER_REBUILD_PARTITION = 524288, 
          static ALTER_ALL_PARTITION = 1048576, 
          static ALTER_REMOVE_PARTITIONING = 2097152, 
          static ADD_FOREIGN_KEY = 4194304, 
          static DROP_FOREIGN_KEY = 8388608, 
          static ALTER_EXCHANGE_PARTITION = 16777216, 
          static ALTER_TRUNCATE_PARTITION = 33554432, 
          static ALTER_COLUMN_ORDER = 67108864, 
          drop_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e270, 
              elements = 0
            }, <No data fields>}, 
          alter_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e288, 
              elements = 0
            }, <No data fields>}, 
          key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e2a0, 
              elements = 0
            }, <No data fields>}, 
          create_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e2b8, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_list = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e2d0, 
              elements = 0
            }, <No data fields>}, 
          delayed_key_info = 0x0, 
          delayed_key_count = 0, 
          flags = 512, 
          keys_onoff = Alter_info::ENABLE, 
          partition_names = {
            <base_list> = {
              <Sql_alloc> = {<No data fields>}, 
              members of base_list: 
              first = 0x14e6ae0 <end_of_list>, 
              last = 0x7f5e8a50e300, 
              elements = 0
            }, <No data fields>}, 
          num_parts = 0, 
          requested_algorithm = Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT, 
          requested_lock = Alter_info::ALTER_TABLE_LOCK_DEFAULT
        }
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a50efe0
        }
        __PRETTY_FUNCTION__ =           "virtual bool Sql_cmd_alter_table::execute(THD*)"
        priv = 536870911
        priv_needed = 8192
        select_lex = 0x2953758
        first_table = 0x7f5e4c023660
        result = <optimized out>
#7  0x000000000072102b in mysql_execute_command (thd=0x2950c80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5157
        res = 0
        lex = 0x2953048
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a50f0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 12, 
            has_disabled_I_S = 149, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a50efd0 "0\360P\212^\177", 
            previous_key =               "\200\f\225\002\000\000\000\000\360\357P\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 239, 
            has_disabled_I_S = 80, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\357P\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x2953028, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x2953758
        first_table = 0x7f5e4c023660
        all_tables = 0x7f5e4c023660
        unit = 0x2953110
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x2950c80, rawbuf=0x2953048 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x2953048
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a50fbf0
        }
        start_usecs = 1373676108978424
        end_usecs = 0
        start_cpu_nsecs = 151219318
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 978424
        }
        end_time = {
          tv_sec = 140044024213808, 
          tv_usec = 20970144
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 151219318
        }
#9  0x0000000000728a77 in dispatch_command (command=<optimized out>, thd=0x2950c80, packet=0x10b <Address 0x10b out of bounds>, packet_length=1275071552) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1449
        beginning_of_next_stmt = 0x7f5e4c000d88 "ALTER TABLE table100_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS"
        length = <optimized out>
        packet_end = 0x7f5e4c000e93 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2950c80, 
            yylineno = 1, 
            yytoklen = 35, 
            yylval = 0x7f5e8a50ef30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e4c000dc4 " ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_tok_start = 0x7f5e4c000dc4 " ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_tok_end = 0x7f5e4c000dc4 " ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_end_of_query = 0x7f5e4c000e93 "", 
            m_tok_start_prev = 0x7f5e4c000dc3 "; ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_buf = 0x7f5e4c000d88 "ALTER TABLE table100_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            m_buf_length = 267, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e4c000ef8 "ALTER TABLE table100_key_pk_parts_2_int_autoinc ENABLE KEYS;", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_ptr = 0x7f5e4c000f34 '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_start = 0x7f5e4c000f34 '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_start_prev = 0x7f5e4c000f33 ";", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_tok_end = 0x7f5e4c000f34 '\217' <repeats 492 times>, "\340jN\001", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x7f5e4c000dc4 " ALTER TABLE table10_int_autoinc ENABLE KEYS; ALTER TABLE table10_key_pk_parts_2_int_autoinc ENABLE KEYS; ALTER TABLE table1_int_autoinc ENABLE KEYS; ALTER TABLE table1_key_pk_parts_2_int_autoinc ENABLE KEYS", 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e4c000f04 "table100_key_pk_parts_2_int_autoinc ENABLE KEYS;", '\217' <repeats 492 times>, "\340jN\001", 
            m_cpp_text_end = 0x7f5e4c000f27 " ENABLE KEYS;", '\217' <repeats 492 times>, "\340jN\001", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x29527d0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2950ee0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a50fce0
        }
#10 0x0000000000729a47 in do_command (thd=0x2950c80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2954c10 "\a"
        packet_length = <optimized out>
        net = 0x2950ee0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2950c80
#12 0x00000000006ed727 in handle_one_connection (arg=0x2950c80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2950c80
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x2950c80
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 35 (LWP 24679):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6eacb in os_cond_wait_timed (abstime=0x7f5e895a7d00, fast_mutex=0x278d900, cond=0x278d940) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
        mutex = 0x278d900
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x278d900, time_in_usec=<optimized out>, reset_sig_count=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
        timed_out = 0
        abstime = {
          tv_sec = 1373676109, 
          tv_nsec = 103360000
        }
#3  0x0000000000a4c871 in lock_wait_timeout_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/lock/lock0wait.cc:503
        slot = <optimized out>
        sig_count = 4
        event = 0x278d900
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 34 (LWP 24683):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6f533 in os_cond_wait (fast_mutex=0x23c97f0, cond=0x23c9830) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
        mutex = 0x23c97f0
#2  os_event_wait_low (event=0x23c97f0, reset_sig_count=1479) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
No locals.
#3  0x0000000000b0404c in srv_purge_coordinator_suspend (rseg_history_len=325, slot=0x23c9600) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:3140
        ret = <optimized out>
        stop = true
        sig_count = 1479
#4  srv_purge_coordinator_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:3257
        slot = 0x23c9600
        n_total_purged = 0
        rseg_history_len = 325
        n_pages_purged = <optimized out>
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 33 (LWP 25058):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a54c260, mutex=0x2948cc8, that=0x2948cf8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x2948cc8, owner=0x2948b90, abs_timeout=0x7f5e8a54c260, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x2948cc8, mdl_request=0x7f5e4804ecc0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e48016990
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 975589600
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x2948cc8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e4801f740
        p_req = 0x7f5e4801f748
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x2948b90, tables_start=0x7f5e48004fc8, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a54c370
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e48082160 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e4804ecc0, 
          prev_in_list = 0x7f5e8a54c5a8, 
          ticket = 0x7f5e4802f600, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\000\307T\212^\177\000\000\300\303T\212^\177\000\000\370\264\306\000\000\000\000\000\360\304T\212^\177\000\000\370\303T\212^\177\000\000\344b\315\000\000\000\000\000\240XN\001\000\000\000\000\035\000\000\000\000\000\000\000\220\304T\212^\177\000\000\\\306T\212^\177\000\000\220\304T\212^\177\000\000\060\304T\212^\177\000\000\277\267\226\000\000\000\000\000\320_\000H^\177\000\000Fn\230\000\000\000\000\000\060\304T\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "\320_\000H^\177\000\000\220\306T\212^\177\000\000\243\322\306\000\000\000\000\000\337\b\000\000\000\000\000\000\000]\000Hm$\000\000\a\000\000\200\000\000\000\000Hp\315\000\000\000\000\000\200\304T\212^\177\000\000?8\343\f\000\000\000\000\220\203~\002\000\000\000\000\\\306T\212^\177\000\000\240XN\001\000\000\000\000\035\000\000\000\000\000\000\000root\000test\000table0&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\320\304T\212^\177\000\000\370\264\306\000\000\000\000\000\220\213\224\002\000\000\000\000&\360\316\000\000\000\000\000\060\305T\212^\177\000\000\264\302\306", '\000' <repeats 13 times>, "P\305T\212^\177\000\000p\001\000\000\000\000\000\000&\360\316", '\000' <repeats 13 times>, "P\305T\212^\177\000\000\370\245\224\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000006ca2c3 in open_tables (thd=0x2948b90, start=0x7f5e8a54c778, counter=0x294b010, flags=0, prelocking_strategy=0x7f5e8a54c7b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
        table = <optimized out>
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a54c780
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8a54c778
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x294aff0
        tables = <optimized out>
        error = false
#7  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e48004fc8, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xcfb799 "mysql_create_view", 
          file = 0xcfb458 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a54f310
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#8  0x00000000007a316c in mysql_create_view (thd=0x2948b90, views=0x7f5e48004fc8, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
        lex = 0x294af58
        view = 0x7f5e48004fc8
        sl = <optimized out>
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a54ffe0
        }
        __PRETTY_FUNCTION__ =           "bool mysql_create_view(THD*, TABLE_LIST*, enum_view_create_mode)"
        tbl = <optimized out>
        __FUNCTION__ =           "mysql_create_view"
        link_to_local = <optimized out>
        tables = 0x7f5e48005770
        select_lex = 0x294b668
        unit = 0x294b020
#9  0x0000000000721ac6 in mysql_execute_command (thd=0x2948b90) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
        res = 0
        lex = 0x294af58
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a5500d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 139, 
            has_disabled_I_S = 148, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a54ffd0 "0", 
            previous_key =               "\220\213\224\002\000\000\000\000\360\377T\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 255, 
            has_disabled_I_S = 84, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x7f5e48006c08 "2258239488", 
            previous_key =               "\n\000\000\000\000\000\000\000\320\350\004H^\177\000\000\001\000\000\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x294af38, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x294b668
        first_table = 0x7f5e48004fc8
        all_tables = 0x7f5e48004fc8
        unit = 0x294b020
        have_table_map_for_update = false
#10 0x0000000000727818 in mysql_parse (thd=0x2948b90, rawbuf=0x294af58 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x294af58
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a550bf0
        }
        start_usecs = 1373676108975395
        end_usecs = 0
        start_cpu_nsecs = 239153680
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 975395
        }
        end_time = {
          tv_sec = 43289488, 
          tv_usec = 140042911632464
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 239153680
        }
#11 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2948b90, packet=0x294cb21 "CREATE OR REPLACE VIEW transforms.view_25057_probe AS SELECT X . `col_int_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_bit_key_default_null` ) WHERE X . `col_set_latin1_key_default_null` IN ( 115 , 102 , 2258239488 , 'q' , 3 ) LIMIT 8 /*Generated by THREAD_ID 4*/", packet_length=328) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e48004d98 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2948b90, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e8a54ff30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e48004d99 "\004", 
            m_tok_start = 0x7f5e48004d99 "\004", 
            m_tok_end = 0x7f5e48004d99 "\004", 
            m_end_of_query = 0x7f5e48004d98 "", 
            m_tok_start_prev = 0x7f5e48004d98 "", 
            m_buf = 0x7f5e48004c50 "CREATE OR REPLACE VIEW transforms.view_25057_probe AS SELECT X . `col_int_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_bit_key_default_null` ) WHERE X . `col_set_latin1_key_default_null` IN ( 115 , 102 , 2258239488 , 'q' , 3 ) LIMIT 8 /*Generated by THREAD_ID 4*/", 
            m_buf_length = 328, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e48004e00 "CREATE OR REPLACE VIEW transforms.view_25057_probe AS SELECT X . `col_int_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_bit_key_default_null` ) WHERE X . `col_set_latin1_key_default_null` IN ( 115 , 102 , 2258239488 , 'q' , 3 ) LIMIT 8 /*Generated by THREAD_ID 4*/", 
            m_cpp_ptr = 0x7f5e48004f48 "", 
            m_cpp_tok_start = 0x7f5e48004f48 "", 
            m_cpp_tok_start_prev = 0x7f5e48004f48 "", 
            m_cpp_tok_end = 0x7f5e48004f48 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 119 'w', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e48004f2a "8 /*Generated by THREAD_ID 4*/", 
            m_cpp_text_end = 0x7f5e48004f2b " /*Generated by THREAD_ID 4*/", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2948df0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a550ce0
        }
#12 0x0000000000729a47 in do_command (thd=0x2948b90) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x294cb20 "\003CREATE OR REPLACE VIEW transforms.view_25057_probe AS SELECT X . `col_int_not_null_key` FROM `table10_key_pk_parts_2_int_autoinc` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_bit_key_default_null` ) WHERE X . `col_set_latin1_key_default_null` IN ( 115 , 102 , 2258239488 , 'q' , 3 ) LIMIT 8 /*Generated by THREAD_ID 4*/"
        packet_length = <optimized out>
        net = 0x2948df0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#13 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2948b90
#14 0x00000000006ed727 in handle_one_connection (arg=0x2948b90) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2948b90
#15 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28a6a50) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28a6a50
        user_arg = 0x2948b90
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 32 (LWP 24672):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=2, array=0x23cb8a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 512
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992c6000
        end_pos = 768
        events = 0x23eaf60
#2  os_aio_linux_handle (global_seg=4, message1=0x7f5e8e25ad98, message2=0x7f5e8e25ad90, type=0x7f5e8e25ad88, space_id=0x7f5e8e25ad80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 2
        array = 0x23cb8a0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 4
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 31 (LWP 24677):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=3, array=0x240a4d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 768
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e99282000
        end_pos = 1024
        events = 0x2410780
#2  os_aio_linux_handle (global_seg=9, message1=0x7f5e8b055d98, message2=0x7f5e8b055d90, type=0x7f5e8b055d88, space_id=0x7f5e8b055d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 3
        array = 0x240a4d0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=9) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 9
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 30 (LWP 25063):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a4ca260, mutex=0x2958ea8, that=0x2958ed8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x2958ea8, owner=0x2958d70, abs_timeout=0x7f5e8a4ca260, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x2958ea8, mdl_request=0x7f5e4000b928, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e40009ad0
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 935844800
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x2958ea8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e4003e100
        p_req = 0x7f5e4003e108
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x2958d70, tables_start=0x7f5e400050f8, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a4ca370
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e4000bfe0 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e4000b928, 
          prev_in_list = 0x7f5e8a4ca5a8, 
          ticket = 0x7f5e40017ff0, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\000\247L\212^\177\000\000\300\243L\212^\177\000\000\370\264\306\000\000\000\000\000\360\244L\212^\177\000\000\370\243L\212^\177\000\000\344b\315\000\000\000\000\000\240XN\001\000\000\000\000\037\000\000\000\000\000\000\000\220\244L\212^\177\000\000\\\246L\212^\177\000\000\220\244L\212^\177\000\000\060\244L\212^\177\000\000\277\267\226\000\000\000\000\000\270c\000@^\177\000\000Fn\230\000\000\000\000\000\060\244L\212^\177\000\000\370\264\306", '\000' <repeats 13 times>, "\270c\000@^\177\000\000\220\246L\212^\177\000\000\243\322\306\000\000\000\000\000\337\b\000\000\000\000\000\000\ba\000@m$\000\000\a\000\000\200\v\000\000\000Hp\315\000\000\000\000\000\200\244L\212^\177\000\000?8\343\f\000\000\000\000\220\203~\002\000\000\000\000\\\246L\212^\177\000\000\240XN\001\000\000\000\000\037\000\000\000\000\000\000\000root\000test\000table1&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000ФL\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000&\360\316\000\000\000\000\000\060\245L\212^\177\000\000\264\302\306", '\000' <repeats 13 times>, "P\245L\212^\177\000\000p\001\000\000\v\000\000\000&\360\316", '\000' <repeats 13 times>, "P\245L\212^\177\000\000ا\225\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000006ca2c3 in open_tables (thd=0x2958d70, start=0x7f5e8a4ca778, counter=0x295b1f0, flags=0, prelocking_strategy=0x7f5e8a4ca7b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
        table = <optimized out>
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a4ca780
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8a4ca778
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x295b1d0
        tables = <optimized out>
        error = false
#7  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e400050f8, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xcfb799 "mysql_create_view", 
          file = 0xcfb458 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a4cd310
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#8  0x00000000007a316c in mysql_create_view (thd=0x2958d70, views=0x7f5e400050f8, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
        lex = 0x295b138
        view = 0x7f5e400050f8
        sl = <optimized out>
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a4cdfe0
        }
        __PRETTY_FUNCTION__ =           "bool mysql_create_view(THD*, TABLE_LIST*, enum_view_create_mode)"
        tbl = <optimized out>
        __FUNCTION__ =           "mysql_create_view"
        link_to_local = <optimized out>
        tables = 0x7f5e40005b90
        select_lex = 0x295b848
        unit = 0x295b200
#9  0x0000000000721ac6 in mysql_execute_command (thd=0x2958d70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
        res = 0
        lex = 0x295b138
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a4ce0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 141, 
            has_disabled_I_S = 149, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a4cdfd0 "0\340L\212^\177", 
            previous_key =               "p\215\225\002\000\000\000\000\360\337L\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 223, 
            has_disabled_I_S = 76, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\000\000\000\000\000\000\000\000\030l\000@^\177\000\000\001\000\000\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x295b118, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x295b848
        first_table = 0x7f5e400050f8
        all_tables = 0x7f5e400050f8
        unit = 0x295b200
        have_table_map_for_update = false
#10 0x0000000000727818 in mysql_parse (thd=0x2958d70, rawbuf=0x295b138 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x295b138
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a4cebf0
        }
        start_usecs = 1373676108935386
        end_usecs = 0
        start_cpu_nsecs = 376075304
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 935386
        }
        end_time = {
          tv_sec = 43355504, 
          tv_usec = 140042777414736
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 376075304
        }
#11 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2958d70, packet=0x295cd01 "CREATE OR REPLACE VIEW transforms.view_25062_probe AS   SELECT table2 . `col_decimal_not_null_key` AS field1 , table1 . `col_decimal_unsigned` AS field2 , table2 . `col_int_unsigned_default_null` AS field3 FROM  table0_key_pk_parts_2_int_autoinc AS table1  LEFT JOIN table100_int_autoinc AS table2 ON  table1 . `col_int_key` =  table2 . `col_int`  WHERE  table2 . `col_int_key` <> 6 AND  table2 . `pk` >= 3 AND table2 . `pk` <= ( 1 + 6 ) ORDER BY field1, field2, field3 LIMIT 1000 ", packet_length=481) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e40004e30 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2958d70, 
            yylineno = 1, 
            yytoklen = 4, 
            yylval = 0x7f5e8a4cdf30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e40004e31 "\004", 
            m_tok_start = 0x7f5e40004e31 "\004", 
            m_tok_end = 0x7f5e40004e31 "\004", 
            m_end_of_query = 0x7f5e40004e30 "", 
            m_tok_start_prev = 0x7f5e40004e30 "", 
            m_buf = 0x7f5e40004c50 "CREATE OR REPLACE VIEW transforms.view_25062_probe AS   SELECT table2 . `col_decimal_not_null_key` AS field1 , table1 . `col_decimal_unsigned` AS field2 , table2 . `col_int_unsigned_default_null` AS field3 FROM  table0_key_pk_parts_2_int_autoinc AS table1  LEFT JOIN table100_int_autoinc AS table2 ON  table1 . `col_int_key` =  table2 . `col_int`  WHERE  table2 . `col_int_key` <> 6 AND  table2 . `pk` >= 3 AND table2 . `pk` <= ( 1 + 6 ) ORDER BY field1, field2, field3 LIMIT 1000", 
            m_buf_length = 480, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e40004e98 "CREATE OR REPLACE VIEW transforms.view_25062_probe AS   SELECT table2 . `col_decimal_not_null_key` AS field1 , table1 . `col_decimal_unsigned` AS field2 , table2 . `col_int_unsigned_default_null` AS field3 FROM  table0_key_pk_parts_2_int_autoinc AS table1  LEFT JOIN table100_int_autoinc AS table2 ON  table1 . `col_int_key` =  table2 . `col_int`  WHERE  table2 . `col_int_key` <> 6 AND  table2 . `pk` >= 3 AND table2 . `pk` <= ( 1 + 6 ) ORDER BY field1, field2, field3 LIMIT 1000", 
            m_cpp_ptr = 0x7f5e40005078 "", 
            m_cpp_tok_start = 0x7f5e40005078 "", 
            m_cpp_tok_start_prev = 0x7f5e40005078 "", 
            m_cpp_tok_end = 0x7f5e40005078 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e40005074 "1000", 
            m_cpp_text_end = 0x7f5e40005078 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2958fd0
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a4cece0
        }
#12 0x0000000000729a47 in do_command (thd=0x2958d70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x295cd00 "\003CREATE OR REPLACE VIEW transforms.view_25062_probe AS   SELECT table2 . `col_decimal_not_null_key` AS field1 , table1 . `col_decimal_unsigned` AS field2 , table2 . `col_int_unsigned_default_null` AS field3 FROM  table0_key_pk_parts_2_int_autoinc AS table1  LEFT JOIN table100_int_autoinc AS table2 ON  table1 . `col_int_key` =  table2 . `col_int`  WHERE  table2 . `col_int_key` <> 6 AND  table2 . `pk` >= 3 AND table2 . `pk` <= ( 1 + 6 ) ORDER BY field1, field2, field3 LIMIT 1000 "
        packet_length = <optimized out>
        net = 0x2958fd0
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#13 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2958d70
#14 0x00000000006ed727 in handle_one_connection (arg=0x2958d70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2958d70
#15 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2958d70
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 29 (LWP 24676):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=2, array=0x240a4d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 512
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e99285000
        end_pos = 768
        events = 0x240e780
#2  os_aio_linux_handle (global_seg=8, message1=0x7f5e8ba56d98, message2=0x7f5e8ba56d90, type=0x7f5e8ba56d88, space_id=0x7f5e8ba56d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 2
        array = 0x240a4d0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 8
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 28 (LWP 24673):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=3, array=0x23cb8a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 768
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992c3000
        end_pos = 1024
        events = 0x23ecf60
#2  os_aio_linux_handle (global_seg=5, message1=0x7f5e8d859d98, message2=0x7f5e8d859d90, type=0x7f5e8d859d88, space_id=0x7f5e8d859d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 3
        array = 0x23cb8a0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=5) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 5
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 27 (LWP 24668):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=0, array=0x23fca10) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992bd000
        end_pos = 256
        events = 0x24084c0
#2  os_aio_linux_handle (global_seg=0, message1=0x7f5ea27e4d98, message2=0x7f5ea27e4d90, type=0x7f5ea27e4d88, space_id=0x7f5ea27e4d80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 0
        array = 0x23fca10
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 0
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 26 (LWP 25100):
+bt full
#0  0x000000340cc0e1e5 in __lll_unlock_wake () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x000000340cc0ae9a in pthread_rwlock_unlock () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00000000009fea2d in ha_innobase::general_fetch (this=0x7f5e10018d50, buf=0x7f5e1001aa80 "", direction=1, match_mode=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/handler/ha_innodb.cc:8112
        ret = <optimized out>
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xcb4862 "handler::ha_index_next", 
          file = 0xcb7588 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc", 
          level = 2147483661, 
          prev = 0x7f5e9953bf50
        }
#3  0x00000000005b4069 in handler::ha_index_next (this=0x7f5e10018d50, buf=0x7f5e1001aa80 "") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/handler.cc:2792
        locker = 0x7f5e9953bf10
        state = {
          m_flags = 3, 
          m_io_operation = PSI_TABLE_FETCH_ROW, 
          m_table = 0x7f5ea0aa2440, 
          m_table_share = 0x7f5e10004e98, 
          m_thread = 0x7f5ea05de780, 
          m_timer_start = 136826233769626, 
          m_timer = 0xc6a100 <my_timer_cycles>, 
          m_wait = 0x7f5e9953bfc0, 
          m_index = 2
        }
        result = <optimized out>
        _db_stack_frame_ = {
          func = 0xce2350 "sub_select", 
          file = 0xce24e8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc", 
          level = 2147483660, 
          prev = 0x7f5e9953c010
        }
        __PRETTY_FUNCTION__ =           "int handler::ha_index_next(uchar*)"
#4  0x00000000006f888c in join_read_next (info=0x7f5e10005b78) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:2542
        error = 0
#5  0x00000000006fbc89 in sub_select (join=0x7f5e10004e98, join_tab=0x7f5e10005ae8, end_of_records=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:1255
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xce241a "do_select", 
          file = 0xce24e8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc", 
          level = 2147483659, 
          prev = 0x7f5e9953c140
        }
        info = 0x7f5e10005b78
        rc = <optimized out>
        in_first_read = <optimized out>
#6  0x00000000006fd38b in do_select (join=0x7f5e10004e98) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:930
        join_tab = <optimized out>
        rc = 0
        error = NESTED_LOOP_OK
        _db_stack_frame_ = {
          func = 0xce240f "JOIN::exec", 
          file = 0xce24e8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc", 
          level = 2147483658, 
          prev = 0x7f5e9953c160
        }
#7  JOIN::exec (this=0x7f5e10004e98) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_executor.cc:191
        trace = <optimized out>
        trace_wrapper = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 193, 
            has_disabled_I_S = 83, 
            empty = 153, 
            stmt = 0x6c34c6 <lock_tables(THD*, TABLE_LIST*, unsigned int, unsigned int)+918>, 
            saved_key = 0x7f5e9953c100 "", 
            previous_key =               "@\034\317\000\000\000\000\000\033\b\317\000\000\000\000\000\330\v\317\000\000\000\000\000\242"
          }, <No data fields>}
        trace_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 221, 
            has_disabled_I_S = 214, 
            empty = false, 
            stmt = 0xd6d928, 
            saved_key = 0x7f5e8000000b "", 
            previous_key =               "\240\300S\231^\177\000\000n\226\315\000\000\000\000\000@\227\315\000\000\000\000\000"
          }, <No data fields>}
        columns_list = 0x7f5e10010080
        __PRETTY_FUNCTION__ =           "void JOIN::exec()"
        __FUNCTION__ =           "exec"
        trace_exec = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = false, 
            has_disabled_I_S = false, 
            empty = 128, 
            stmt = 0x7f5e9953c250, 
            saved_key = 0x7f5e9953c000 "`\300S\231^\177", 
            previous_key =               "\020\031\233\002\000\000\000\000\270\r\001\020^\177\000\000(\331M\001\000\000\000\000"
          }, <No data fields>}
        _db_stack_frame_ = {
          func = 0xcf0840 "mysql_execute_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483657, 
          prev = 0x7f5e9953c230
        }
#8  0x00000000007492d0 in mysql_execute_select (free_join=true, select_lex=0x7f5e1000ff60, thd=0x29b1910) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1101
        err = false
        join = 0x7f5e10004e98
        _db_stack_frame_ = {
          func = 0xcf0855 "handle_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483656, 
          prev = 0x7f5e9953c2f0
        }
#9  mysql_select (thd=0x29b1910, tables=0x7f5e10010db8, wild_num=0, fields=..., conds=0x0, order=<optimized out>, group=0x7f5e10010060, having=0x0, select_options=2416184064, result=0x7f5e10011330, unit=0x7f5e1000f918, select_lex=0x7f5e1000ff60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
        free_join = true
        first_order = 0x0
        __FUNCTION__ =           "mysql_select"
        og_num = <optimized out>
        first_group = 0x0
        _db_stack_frame_ = {
          func = 0xcf0855 "handle_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483656, 
          prev = 0x7f5e9953c2f0
        }
#10 0x0000000000749dbb in handle_select (thd=0x29b1910, result=0x7f5e10011330, setup_tables_done_option=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
        unit = <optimized out>
        res = <optimized out>
        lex = 0x7f5e1000f850
        select_lex = 0x7f5e1000ff60
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483655, 
          prev = 0x7f5e9953cff0
        }
#11 0x000000000071ecdd in execute_sqlcom_select (thd=0x29b1910, all_tables=0x7f5e10010db8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
        save_result = 0x7f5e10011330
        analyse_result = 0x0
        lex = 0x7f5e1000f850
        result = 0x7f5e10011330
        res = <optimized out>
#12 0x00000000007217b7 in mysql_execute_command (thd=0x29b1910) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
        res = <optimized out>
        lex = 0x7f5e1000f850
        _db_stack_frame_ = {
          func = 0xcee11e "mysql_sql_stmt_execute", 
          file = 0xcee1b0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc", 
          level = 2147483654, 
          prev = 0x7f5e9953d320
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 207, 
            has_disabled_I_S = 83, 
            empty = 153, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x29b28a8 "", 
            previous_key =               "\021\340\316\000\000\000\000\000\060\320S\231^\177\000\000\264\302\306\000\000\000\000\000\177"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 207, 
            has_disabled_I_S = 83, 
            empty = 153, 
            stmt = 0x29b4f38, 
            saved_key = 0xf6 <Address 0xf6 out of bounds>, 
            previous_key =               "Fn\230\000\000\000\000\000\350\355]\240^\177\000\000\313\b\236\000\000\000\000\000\021"
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29b3cb8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x7f5e1000ff60
        first_table = 0x7f5e10010db8
        all_tables = 0x7f5e10010db8
        unit = 0x7f5e1000f918
        have_table_map_for_update = false
#13 0x0000000000739c96 in Prepared_statement::execute (this=0x7f5e100177f0, expanded_query=<optimized out>, open_cursor=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:4217
        parent_locker = 0x29b33c0
        stmt_backup = {
          <Query_arena> = {
            _vptr.Query_arena = 0x13b1e90 <vtable for Statement+16>, 
            free_list = 0xda27b6, 
            mem_root = 0xcee11e, 
            is_backup_arena = false, 
            is_reprepared = false, 
            state = Query_arena::STMT_INITIALIZED
          }, 
          members of Statement: 
          id = 0, 
          query_strip_comments = {
            buffer = 0x0, 
            length = 0, 
            buffer_length = 0
          }, 
          mark_used_columns = MARK_COLUMNS_READ, 
          name = {
            str = 0x7f5e9953d100 "P\211", 
            length = 21063584
          }, 
          lex = 0x29b3cd8, 
          query_string = {
            string = {
              str = 0x7f5e10004d58 "SELECT `col_char_255_latin1_not_null_key` FROM `table100`", 
              length = 57
            }, 
            cs = 0x144ff40 <my_charset_latin1>
          }, 
          rewritten_query = {
            Ptr = 0x0, 
            str_length = 0, 
            Alloced_length = 0, 
            alloced = false, 
            str_charset = 0x14167a0 <my_charset_bin>
          }, 
          db = 0x7f5e9953d270 "", 
          db_length = 140044276060776
        }
        old_stmt_arena = 0x29b1918
        saved_cur_db_name_buf =           "\300\342\316\000\000\000\000\000@\000\000\000\000\000\000\000@\323S\231^\177\000\000@\377D\001", '\000' <repeats 21 times>, "\321S\231^\177\000\000/\016w\000\000\000\000\000@\323S\231^\177\000\000\270\n\001\020^\177\000\000P\211\000\020^\177\000\000\241\021w\000\000\000\000\000\060\321S\231^\177\000\000\360w\001\020^\177\000\000\260\321S\231^\177\000\000\230N\233\002", '\000' <repeats 21 times>, "\322S\231^\177\000\000\365\211s\000\000\000\000\000\005\000\000\200\v\000\000\000\220\321S\231^\177\000\000\266'\332", '\000' <repeats 13 times>, "@"
        saved_cur_db_name = {
          str = 0x7f5e9953d0b0 "\300\342", <incomplete sequence \316>, 
          length = 193
        }
        cur_db_changed = <optimized out>
        __PRETTY_FUNCTION__ =           "bool Prepared_statement::execute(String*, bool)"
        error = true
        stmt_db_name = {
          str = 0x7f5e10010ab0 "test", 
          length = 4
        }
#14 0x000000000073a33b in Prepared_statement::execute_loop (this=0x7f5e100177f0, expanded_query=0x7f5e9953d340, open_cursor=<optimized out>, packet=<optimized out>, packet_end=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:3872
        __PRETTY_FUNCTION__ =           "bool Prepared_statement::execute_loop(String*, bool, uchar*, uchar*)"
        reprepare_observer = {
          m_invalidated = false
        }
        error = <optimized out>
        reprepare_attempt = 0
        stmt_reprepare_observer = <optimized out>
#15 0x000000000073a682 in mysql_sql_stmt_execute (thd=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_prepare.cc:2876
        lex = 0x29b3cd8
        stmt = 0x7f5e100177f0
        expanded_query = {
          Ptr = 0x7f5e10008950 "SELECT `col_char_255_latin1_not_null_key` FROM `table100`", 
          str_length = 57, 
          Alloced_length = 64, 
          alloced = true, 
          str_charset = 0x144ff40 <my_charset_latin1>
        }
        name = 0x29b4e70
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e9953dfe0
        }
#16 0x00000000007215d2 in mysql_execute_command (thd=0x29b1910) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2772
        res = 0
        lex = 0x29b3cd8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e9953e0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 25, 
            has_disabled_I_S = 155, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e9953dfd0 "0\340S\231^\177", 
            previous_key =               "\020\031\233\002\000\000\000\000\360\337S\231^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 223, 
            has_disabled_I_S = 83, 
            empty = 153, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\337S\231^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29b3cb8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29b43e8
        first_table = 0x0
        all_tables = 0x0
        unit = 0x29b3da0
        have_table_map_for_update = false
#17 0x0000000000727818 in mysql_parse (thd=0x29b1910, rawbuf=0x29b3cd8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29b3cd8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e9953ebf0
        }
        start_usecs = 1373676108980982
        end_usecs = 0
        start_cpu_nsecs = 341330671
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 980982
        }
        end_time = {
          tv_sec = 43718928, 
          tv_usec = 140041972108368
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 341330671
        }
#18 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29b1910, packet=0x29b58a1 "", packet_length=63) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e10004c8f ""
        parser_state = {
          m_lip = {
            m_thd = 0x29b1910, 
            yylineno = 1, 
            yytoklen = 15, 
            yylval = 0x7f5e9953df30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e10004c90 "\004", 
            m_tok_start = 0x7f5e10004c90 "\004", 
            m_tok_end = 0x7f5e10004c90 "\004", 
            m_end_of_query = 0x7f5e10004c8f "", 
            m_tok_start_prev = 0x7f5e10004c8f "", 
            m_buf = 0x7f5e10004c50 "EXECUTE prep_stmt_25099 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_buf_length = 63, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e10004cf8 "EXECUTE prep_stmt_25099 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_cpp_ptr = 0x7f5e10004d37 "", 
            m_cpp_tok_start = 0x7f5e10004d37 "", 
            m_cpp_tok_start_prev = 0x7f5e10004d37 "", 
            m_cpp_tok_end = 0x7f5e10004d37 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e10004d00 "prep_stmt_25099 /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_cpp_text_end = 0x7f5e10004d0f " /* TRANSFORM_OUTCOME_UNORDERED_MATCH */", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29b1b70
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e9953ece0
        }
#19 0x0000000000729a47 in do_command (thd=0x29b1910) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29b58a0 "\001"
        packet_length = <optimized out>
        net = 0x29b1b70
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#20 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29b1910
#21 0x00000000006ed727 in handle_one_connection (arg=0x29b1910) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29b1910
#22 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29447e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29447e0
        user_arg = 0x29b1910
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#23 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#24 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 25 (LWP 24682):
+bt full
#0  0x000000340c4e14f3 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x0000000000a6f8bf in os_thread_sleep (tm=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0thread.cc:255
        t = {
          tv_sec = 0, 
          tv_usec = 618844
        }
#2  0x0000000000b0131b in srv_master_sleep () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2803
No locals.
#3  srv_master_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:2847
        slot = 0x23c95c8
        old_activity_count = 34662
        last_print_time = 1373676020
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 24 (LWP 24684):
+bt full
#0  0x000000340c4e14f3 in select () from /lib64/libc.so.6
No symbol table info available.
#1  0x0000000000a6f8bf in os_thread_sleep (tm=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0thread.cc:255
        t = {
          tv_sec = 0, 
          tv_usec = 490766
        }
#2  0x0000000000b8174a in page_cleaner_sleep_if_needed (next_loop_time=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/buf/buf0flu.cc:2377
        cur_time = <optimized out>
#3  buf_flush_page_cleaner_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/buf/buf0flu.cc:2418
        next_loop_time = <optimized out>
        n_flushed = 0
        last_activity = 34598
        success = <optimized out>
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 23 (LWP 24671):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=1, array=0x23cb8a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 256
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992c9000
        end_pos = 512
        events = 0x23e8f60
#2  os_aio_linux_handle (global_seg=3, message1=0x7f5e8ec5bd98, message2=0x7f5e8ec5bd90, type=0x7f5e8ec5bd88, space_id=0x7f5e8ec5bd80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 1
        array = 0x23cb8a0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=3) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 3
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 22 (LWP 25149):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a32ef in inline_mysql_cond_wait (src_line=2653, mutex=0x14e0440 <LOCK_thread_count>, that=0x14e23c0 <COND_thread_cache>, src_file=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
        result = <optimized out>
        src_file = 0xcad580 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc"
#2  block_until_new_connection () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, block_pthread=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#4  0x00000000006ed5be in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2981220
#5  0x00000000006ed727 in handle_one_connection (arg=0x29f2090) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29f2090
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x2921820) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x2921820
        user_arg = 0x29f2090
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 21 (LWP 25083):
+bt full
#0  0x000000340c4df253 in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x0000000000c9e846 in vio_io_wait (vio=<optimized out>, event=VIO_IO_EVENT_READ, timeout=28800000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:820
        ret = <optimized out>
        revents = 8251
        pfd = {
          fd = 69, 
          events = 3, 
          revents = 1
        }
        sd = <optimized out>
        locker = 0x0
        state = {
          m_flags = 2147483650, 
          m_socket = 0xce17b8, 
          m_thread = 0x1542600 <init_settings>, 
          m_number_of_bytes = 43586560, 
          m_timer_start = 140044022086816, 
          m_timer = 0xc6d2a3 <_db_return_+339>, 
          m_operation = 16918753, 
          m_src_file = 0x986e46 <my_thread_var_dbug+38> "H\205\300t‸\230", 
          m_src_line = -1976534400, 
          m_wait = 0xc6b4f8 <code_state+56>
        }
        _db_stack_frame_ = {
          func = 0x10228e1 "vio_read", 
          file = 0x10225f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c", 
          level = 2147483651, 
          prev = 0x7f5e8a307b60
        }
        __PRETTY_FUNCTION__ =           "vio_io_wait"
#2  0x0000000000c9ece3 in vio_socket_io_wait (vio=<optimized out>, event=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:68
        timeout = <optimized out>
        ret = <optimized out>
        __PRETTY_FUNCTION__ =           "vio_socket_io_wait"
#3  0x0000000000c9f680 in vio_read (vio=0x29951a0, buf=0x2995390 "\001", size=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:123
        error = <optimized out>
        ret = -1
        flags = 64
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a307ce0
        }
        __PRETTY_FUNCTION__ =           "vio_read"
#4  0x000000000067b583 in net_read_raw_loop (net=0x2991660, count=4) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:663
        recvcnt = <optimized out>
        eof = false
        retry_count = <optimized out>
        buf = <optimized out>
#5  0x000000000067c0e1 in net_read_packet_header (net=0x2991660) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:745
        user_data = 0x2991400
        pkt_nr = <optimized out>
        count = 4
        rc = <optimized out>
        server_extension = 0x2991908
#6  net_read_packet (net=<optimized out>, complen=0x7f5e8a307c68) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:810
        pkt_len = <optimized out>
        pkt_data_len = <optimized out>
        __PRETTY_FUNCTION__ =           "ulong net_read_packet(NET*, size_t*)"
#7  0x000000000067c3ec in my_net_read (net=0x2991660) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:888
        len = <optimized out>
        complen = <optimized out>
#8  0x00000000007299d7 in do_command (thd=0x2991400) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:983
        return_value = <optimized out>
        packet = 0x0
        packet_length = <optimized out>
        net = 0x2991660
        command = <optimized out>
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#9  0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2991400
#10 0x00000000006ed727 in handle_one_connection (arg=0x2991400) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2991400
#11 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2991400
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#12 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#13 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 20 (LWP 25243):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a32ef in inline_mysql_cond_wait (src_line=2653, mutex=0x14e0440 <LOCK_thread_count>, that=0x14e23c0 <COND_thread_cache>, src_file=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
        result = <optimized out>
        src_file = 0xcad580 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc"
#2  block_until_new_connection () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, block_pthread=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#4  0x00000000006ed5be in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29994f0
#5  0x00000000006ed727 in handle_one_connection (arg=0x28452a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x28452a0
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28451e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28451e0
        user_arg = 0x28452a0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 19 (LWP 25103):
+bt full
#0  0x000000340cc0eacc in send () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000c9f523 in inline_mysql_socket_send (flags=64, n=11, buf=0x2861000, mysql_socket=..., src_line=192, src_file=0x10225f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_socket.h:759
        result = <optimized out>
#2  vio_write (vio=0x29bd7a0, buf=0x2861000 "\a", size=11) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/vio/viosocket.c:192
        ret = <optimized out>
        flags = 64
        _db_stack_frame_ = {
          func = 0xcd0f3e "net_write_packet", 
          file = 0xcd0dc8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc", 
          level = 2147483656, 
          prev = 0x7f5e84395d50
        }
#3  0x000000000067b749 in net_write_raw_loop (count=11, buf=0x2861000 "\a", net=0x29b9c60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:494
        sentcnt = <optimized out>
        retry_count = <optimized out>
#4  net_write_packet (net=0x29b9c60, packet=0x2861000 "\a", length=11) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:630
        res = 0 '\000'
        _db_stack_frame_ = {
          func = 0xcd0f4f "net_flush", 
          file = 0xcd0dc8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc", 
          level = 2147483655, 
          prev = 0x7f5e84395dc0
        }
        do_compress = false
#5  0x000000000067bac1 in net_flush (net=0x29b9c60) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/net_serv.cc:220
        error = 0 '\000'
        _db_stack_frame_ = {
          func = 0xcd12e2 "net_send_ok", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483654, 
          prev = 0x7f5e84396050
        }
#6  0x00000000006803f8 in net_send_ok (thd=0x29b9a00, server_status=2, statement_warn_count=0, affected_rows=0, id=0, message=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:251
        net = 0x29b9c60
        buff =           "\000\000\000\002\000\000\000\000\265\260\316\000\000\000\000\000\266'\332\000\000\000\000\000Fn\230\000\000\000\000\000\200^9\204^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\025\001\000\000\000\000\000\000Fn\230\000\000\000\000\000\200#;\002\000\000\000\000Fn\230\000\000\000\000\000\320^9\204^\177\000\000\200#;\002\000\000\000\000\200cN\001", '\000' <repeats 12 times>, "\t\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\240_9\204^\177\000\000$\266\226\000\000\000\000\000WP\332\000\000\000\000\000\374_9\204^\177\000\000`_9\204^\177\000\000X_9\204^\177\000\000\060_9\204^\177\000\000\370\264\306\000\000\000\000\000@\n\000\024^\177\000\000h_9\204^\177\000\000\265\260\316\000\000\000\000\000@\263\316\000\000\000\000\000\004\000\000\200\000\000\000\000\320`9\204^\177\000\000\313\002\000\000\v\000\000\000\020\216\313\000\000\000\000\000\300_9\204^\177\000\000\t\000\000\000\000\000\000\000\240_9\204^\177\000\000\200cN\001\000\000\000\000\t\000\000\000\000\000\000\000@\n\000\024^\177\000\000\374_9\204^\177\000\000@\n\000\024^\177\000\000\340_9\204^\177\000\000\277\267\226\000\000\000\000\000:\000\000\000\000\000\000\000\274O\350\341\331\317GV\000\232\233\002\000\000\000\000\300J\000\024^\177\000\000L\242\340Q\000\000\000\000\001\000\000\000\000\000\000\000\000`9\204^\177\000\000\361\267\226\000\000\000\000\000L\242\340Q\000\000\000\000\001\000\000\000\000\000\000\000\200`9\204^\177\000\000\027\323n\000\000\000\000\000\376\022\315\000\000\000\000\000Fn\230\000\000\000\000\000@`9\204^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264", <incomplete sequence \302>
        pos = <optimized out>
        error = <optimized out>
        _db_stack_frame_ = {
          func = 0xcd12fe "Protocol::send_ok", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483653, 
          prev = 0x7f5e843960c0
        }
#7  0x000000000068051a in Protocol::send_ok (this=0x29b9f30, server_status=2, statement_warn_count=0, affected_rows=0, last_insert_id=<optimized out>, message=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:544
        _db_stack_frame_ = {
          func = 0xcd1288 "Protocol::end_statement", 
          file = 0xcd13f0 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc", 
          level = 2147483652, 
          prev = 0x7f5e84396120
        }
        retval = <optimized out>
#8  0x000000000067f90b in Protocol::end_statement (this=0x29b9f30) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/protocol.cc:512
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e84396bf0
        }
        __PRETTY_FUNCTION__ =           "void Protocol::end_statement()"
        error = false
#9  0x0000000000727bb9 in dispatch_command (command=<optimized out>, thd=0x29b9a00, packet=<optimized out>, packet_length=49) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1770
        net = 0x29b9c60
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e84396ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29b9a00) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x2861000 "\a"
        packet_length = <optimized out>
        net = 0x29b9c60
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29b9a00
#12 0x00000000006ed727 in handle_one_connection (arg=0x29b9a00) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29b9a00
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x294c8d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x294c8d0
        user_arg = 0x29b9a00
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 18 (LWP 24687):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6eacb in os_cond_wait_timed (abstime=0x7f5e84fa0c90, fast_mutex=0x27c4180, cond=0x27c41c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
        mutex = 0x27c4180
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x27c4180, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
        timed_out = 0
        abstime = {
          tv_sec = 1373676110, 
          tv_nsec = 456858000
        }
#3  0x0000000000b38cc0 in ib_wqueue_timedwait (wq=0x27c3fc8, wait_in_usecs=5000000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/ut/ut0wqueue.cc:154
        error = <optimized out>
        sig_count = 1
        node = <optimized out>
#4  0x0000000000bebe50 in fts_optimize_thread (arg=0x27c3fc8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fts/fts0opt.cc:2932
        msg = <optimized out>
        heap = 0x7f5e9c000998
        current = <optimized out>
        done = <optimized out>
        n_tables = <optimized out>
        n_optimize = <optimized out>
        wq = 0x27c3fc8
        tables = 0x7f5e9c000998
        exit_event = <optimized out>
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 17 (LWP 25127):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8424ee10, mutex=0x29e1fe8, that=0x29e2018) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29e1fe8, owner=0x29e1eb0, abs_timeout=0x7f5e8424ee10, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29e1fe8, mdl_request=0x7f5e8424eed0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5df8009f30
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 892290100
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29e1fe8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5df8004bd0
        p_req = 0x7f5df8004bd8
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x000000000084f1b5 in lock_schema_name (thd=0x29e1eb0, db=0x7f5df8004d80 "transforms") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 2
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8424f080
        }
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e8424eed0, 
          prev_in_list = 0x7f5e8424f238, 
          ticket = 0x7f5df8036660, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\062\002\000\200\352\n\000\000\024\000\000\200\002\000\000\000bH\313\000\000\000\000\000\200\365$\204^\177\000\000۽\227\000\000\000\000\000\274\223\000\370]\177\000\000;\002\000\000\000\000\000\000<\002\000\000\000\000\000\000<\002\000\200\000\000\000\000<\002\000\200\000\000\000\000<\002\000\200\000\000\000\000P\361$\204^\177\000\000\320\360$\204^\177\000\000P\361$\204^\177\000\000Fn\230\000\000\000\000\000\000&T\001\000\000\000\001\030\223\000\370]\177\000\000\330\365$\204^\177\000\000 \022\001\370]\177\000\000\b\000\000\000\000\000\000\000\300\201\230\000\000\000\000\000 \022\001\370]\177\000\000Fn\230\000\000\000\000\000\340\222\000\370]\177\000\000\020\223\000\370]\177", '\000' <repeats 18 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000\177\250\300\f4\000\000\000\243\322\306\000:\027\000\000\022\000\000\200\002\000\000\000Hw\313\000\000\000\000\000\021\000\000\200\002\000\000\000a\345\333\000\000\000\000\000\220\356$\204^\177\000\000\000\000\000\000\000\000\000\000Z\022\316\000\000\000\000\000Fn\230\000\000\000\000\000\000\362$\204^\177\000\000\370\264\306\000\000\000\000\000\020\362$\204^\177\000\000Z\022\316\000\000\000\000\000`\362$\204^\177\000\000\264\302\306\000\000\000\000\000\260\364$\204^\177\000\000\060\003%\204^\177\000\000&\002\000\000\v\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        mdl_request = {
          type = MDL_EXCLUSIVE, 
          duration = MDL_TRANSACTION, 
          next_in_list = 0x0, 
          prev_in_list = 0x7f5e8424f088, 
          ticket = 0x0, 
          key = {
            m_length = 13, 
            m_db_name_length = 10, 
            m_ptr =               "\001transforms\000\000\347\071\222^\177\000\000\bs\023|^\177\000\000\020\000\000\200\000\000\000\000\004\000\000\000\000\000\000\000\n\000\000\000\000\000\000\000\021\000\000\000\000\000\000\000\026\000\000\000\000\000\000\000\026\000\000\200\000\000\000\000\025\001\000\000\000\000\000\000\032\001\000\000\000\000\000\000\033\001\000\000\000\000\000\000\033\001\000\200\000\000\000\000\033\001\000\200\000\000\000\000\034\001\000\000\000\000\000\000\034\001\000\200\000\000\000\000\034\001\000\200\000\000\000\000\034\001\000\200\000\000\000\000 \001\000\000\000\000\000\000 \001\000\200\000\000\000\000 \001\000\200\000\000\000\000$\001\000\000\000\000\000\000$\001\000\200\000\000\000\000$\001\000\200\000\000\000\000$\001\000\200\000\000\000\000$\001\000\200\000\000\000\000$\001\000\200\000\000\000\000(\001\000\000\000\000\000\000(\001\000\200\000\000\000\000 \022\001\370]\177\000\000Fn\230\000\000\000\000\000\020\360$\204^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000)\001\000\200\000\000\000\000)\001\000\200\364\037\000\000\025\000\000\200\002\000\000\000\256\351\333\000\000\000\000\000)\002\000\000\000\000\000\000)\002\000\200\000\000\000\000)\002\000\200\000\000\000\000)\002\000\200\000\000\000\000\211\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\220\360$\204^\177", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
#6  0x00000000006eeeb8 in mysql_create_db (thd=0x29e1eb0, db=0x7f5df8004d80 "transforms", create_info=0x7f5e84250a00, silent=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
        stat_info = {
          st_dev = 140043920671456, 
          st_ino = 6924710, 
          st_nlink = 140043920671440, 
          st_mode = 4160769408, 
          st_uid = 32605, 
          st_gid = 16, 
          __pad0 = 0, 
          st_rdev = 140043920671576, 
          st_size = 43916976, 
          st_blksize = 43921248, 
          st_blocks = 140043920671632, 
          st_atim = {
            tv_sec = 7445426, 
            tv_nsec = 140043920671584
          }, 
          st_mtim = {
            tv_sec = 140043920671568, 
            tv_nsec = 72057641282568405
          }, 
          st_ctim = {
            tv_sec = 0, 
            tv_nsec = 13545157
          }, 
          __unused =             {[0] = 140043920671536,
            [1] = 0,
            [2] = 43916976}
        }
        __PRETTY_FUNCTION__ =           "int mysql_create_db(THD*, char*, HA_CREATE_INFO*, bool)"
        path =           "\360\002%\204^\177\000\000\243\322\306\000\241\025\000\000\005\000\000\200\v\000\000\000v\"\314\000\000\000\000\000P\003%\204^\177\000\000Fn\230\000\000\000\000\000\340\000%\204^\177\000\000\370\264\306\000\000\000\000\000\360\000%\204^\177\000\000P\003%\204^\177\000\000@\003%\204^\177\000\000\243\322\306\000\000\000\000\000P\003%\204^\177\000\000\243\322\306\000\330\000\000\000\005\000\000\200\v\000\000\000\221\254\316\000\000\000\000\000\005\000\000\200\v\000\000\000P\001\315\000\000\000\000\000\250\061A\001\000\000\000\000P\003%\204^\177\000\000\000\000\000\000\000\000\000\000 \020%\204^\177\000\000\220\003%\204^\177\000\000X\345|\000\000\000\000\000\005\000\000\200\v\000\000\000x\267\316\000\000\000\000\000\260\036\236\002\000\000\000\000@\016%\204^\177\000\000\240\001%\204^\177\000\000\265@q\000\000\000\000\000\030L\327\000\000\000\000\000Fn\230\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\300\001%\204^\177\000\000\370\264\306\000\000\000\000\000\020\002%\204^\177\000\000&\360\316\000\000\000\000\000 \002%\204^\177\000\000\264\302\306\000\000\000\000\000&\253\316\000\000\000\000\000@\002%\204^\177\000\000p\001\000\000\v\000\000\000&\360\316\000\000\000\000\000\260\036\236\002\000\000\000\000@\002%\204^\177\000\000\030\071\236\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\220\002%\204^\177\000\000\314\305s\000\000\000\000\000P\002%\204^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\060\003%\204^\177\000\000\200\002%\204^\177\000\000\260\036\236\002\000\000\000\000\241\307\312\000\000\000\000\000\320\311=\001\000\000\000\000\340\002%\204^\177\000\000\177͝\000\000\000\000\000\340\002%\204^\177\000\000\001\000\000\000\000\000\000"
        error = 0
        create_options = 2
        path_len = <optimized out>
        was_truncated = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e84250fe0
        }
#7  0x0000000000724dd0 in mysql_execute_command (thd=0x29e1eb0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e84250aa0
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_DEFAULT, 
          null_bits = 0, 
          options = 2, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alias = <optimized out>
        res = 0
        lex = 0x29e4278
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e842510d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 30, 
            has_disabled_I_S = 158, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e84250fd0 "0\020%\204^\177", 
            previous_key =               "\260\036\236\002\000\000\000\000\360\017%\204^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 15, 
            has_disabled_I_S = 37, 
            empty = 132, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\017%\204^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29e4258, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29e4988
        first_table = 0x0
        all_tables = 0x0
        unit = 0x29e4340
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x29e1eb0, rawbuf=0x29e4278 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29e4278
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e84251bf0
        }
        start_usecs = 1373676108892278
        end_usecs = 0
        start_cpu_nsecs = 134251132
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 892278
        }
        end_time = {
          tv_sec = 43916976, 
          tv_usec = 140041569455184
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 134251132
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29e1eb0, packet=0x29e5e41 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", packet_length=88) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5df8004ca8 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29e1eb0, 
            yylineno = 1, 
            yytoklen = 10, 
            yylval = 0x7f5e84250f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5df8004ca9 "\004", 
            m_tok_start = 0x7f5df8004ca9 "\004", 
            m_tok_end = 0x7f5df8004ca9 "\004", 
            m_end_of_query = 0x7f5df8004ca8 "", 
            m_tok_start_prev = 0x7f5df8004ca8 "", 
            m_buf = 0x7f5df8004c50 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_buf_length = 88, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5df8004d10 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_cpp_ptr = 0x7f5df8004d68 "", 
            m_cpp_tok_start = 0x7f5df8004d68 "", 
            m_cpp_tok_start_prev = 0x7f5df8004d68 "", 
            m_cpp_tok_end = 0x7f5df8004d68 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5df8004d5e "transforms", 
            m_cpp_text_end = 0x7f5df8004d68 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29e2110
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e84251ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29e1eb0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29e5e40 "\003/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms"
        packet_length = <optimized out>
        net = 0x29e2110
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29e1eb0
#12 0x00000000006ed727 in handle_one_connection (arg=0x29e1eb0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29e1eb0
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x295cad0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x295cad0
        user_arg = 0x29e1eb0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 16 (LWP 24670):
+bt full
#0  0x0000003fdda00614 in ?? () from /lib64/libaio.so.1
No symbol table info available.
#1  0x0000000000a68f83 in os_aio_linux_collect (seg_size=256, segment=0, array=0x23cb8a0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5089
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0, 
          tv_nsec = 500000000
        }
        io_ctx = 0x7f5e992cc000
        end_pos = 256
        events = 0x23e6f60
#2  os_aio_linux_handle (global_seg=2, message1=0x7f5e8f65cd98, message2=0x7f5e8f65cd90, type=0x7f5e8f65cd88, space_id=0x7f5e8f65cd80) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0file.cc:5234
        any_reserved = <optimized out>
        segment = 0
        array = 0x23cb8a0
        slot = <optimized out>
        i = <optimized out>
        ret = 0
        n = <optimized out>
#3  0x0000000000bbdc67 in fil_aio_wait (segment=2) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/fil/fil0fil.cc:5575
        ret = <optimized out>
        fil_node = <optimized out>
        message = <optimized out>
        type = <optimized out>
        space_id = 0
#4  0x0000000000b055e8 in io_handler_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0start.cc:479
        segment = 2
#5  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 15 (LWP 24688):
+bt full
#0  0x000000340cc0f2a5 in sigwait () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a1edb in signal_hand (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:3159
        error = <optimized out>
        set = {
          __val =             {[0] = 548869,
            [1] = 0 <repeats 15 times>}
        }
        sig = 0
#2  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x27e51b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x27e51b0
        user_arg = 0x0
        pfs = <optimized out>
        user_start_routine = 0x5a1bf0 <signal_hand(void*)>
        klass = <optimized out>
#3  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 14 (LWP 25121):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8428e260, mutex=0x29d9ef8, that=0x29d9f28) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29d9ef8, owner=0x29d9dc0, abs_timeout=0x7f5e8428e260, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29d9ef8, mdl_request=0x7f5e0401cba8, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e04014f10
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 893389100
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29d9ef8, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e04018770
        p_req = 0x7f5e04018778
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x29d9dc0, tables_start=0x7f5e04004fb8, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8428e370
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e0401e490 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e0401cba8, 
          prev_in_list = 0x7f5e8428e5a8, 
          ticket = 0x7f5e0402c420, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\000\347(\204v\001\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000\320\343(\204^\177\000\000\370\264\306\000\000\000\000\000\344b\315", '\000' <repeats 13 times>, "\060\346(\204^\177\000\000\243\322\306\000\000\000\000\000\\\346(\204^\177\000\000\220\344(\204\032\027\000\000\a\000\000\200\v\000\000\000!_\315\000\000\000\000\000H_\000\004^\177\000\000Fn\230\000\000\000\000\000\210\303\001\004^\177\000\000Fn\230\000\000\000\000\000@\344(\204^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\a\000\000\200\v\000\000\000Hp\315\000\241\025\000\000\a\000\000\200\v\000\000\000v\"\314\000\000\000\000\000\220\203~\002\000\000\000\000\\\346(\204^\177\000\000\240XN\001\000\000\000\000\035\000\000\000\000\000\000\000root\000test\000table0&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\320\344(\204^\177\000\000\370\264\306", '\000' <repeats 13 times>, "&\360\316\000\000\000\000\000\060\345(\204^\177\000\000\264\302\306\000\000\000\000\000\000&T\001\000\000\000\000P\345(\204^\177\000\000p\001\000\000\v\000\000\000&\360\316", '\000' <repeats 13 times>, "P\345(\204^\177\000\000(\270\235\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000006ca2c3 in open_tables (thd=0x29d9dc0, start=0x7f5e8428e778, counter=0x29dc240, flags=0, prelocking_strategy=0x7f5e8428e7b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
        table = <optimized out>
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483655, 
          prev = 0x7f5e8428e780
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e8428e778
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x29dc220
        tables = <optimized out>
        error = false
#7  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e04004fb8, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xcfb799 "mysql_create_view", 
          file = 0xcfb458 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc", 
          level = 2147483654, 
          prev = 0x7f5e84291310
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#8  0x00000000007a316c in mysql_create_view (thd=0x29d9dc0, views=0x7f5e04004fb8, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
        lex = 0x29dc188
        view = 0x7f5e04004fb8
        sl = <optimized out>
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e84291fe0
        }
        __PRETTY_FUNCTION__ =           "bool mysql_create_view(THD*, TABLE_LIST*, enum_view_create_mode)"
        tbl = <optimized out>
        __FUNCTION__ =           "mysql_create_view"
        link_to_local = <optimized out>
        tables = 0x7f5e040056e8
        select_lex = 0x29dc898
        unit = 0x29dc250
#9  0x0000000000721ac6 in mysql_execute_command (thd=0x29d9dc0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
        res = 0
        lex = 0x29dc188
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e842920d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 157, 
            has_disabled_I_S = 157, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e84291fd0 "0 )\204^\177", 
            previous_key =               "\300\235\235\002\000\000\000\000\360\037)\204^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 31, 
            has_disabled_I_S = 41, 
            empty = 132, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\270\304\001\004^\177\000\000\002\000\000\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29dc168, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29dc898
        first_table = 0x7f5e04004fb8
        all_tables = 0x7f5e04004fb8
        unit = 0x29dc250
        have_table_map_for_update = false
#10 0x0000000000727818 in mysql_parse (thd=0x29d9dc0, rawbuf=0x29dc188 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29dc188
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e84292bf0
        }
        start_usecs = 1373676108892932
        end_usecs = 0
        start_cpu_nsecs = 322302142
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 892932
        }
        end_time = {
          tv_sec = 43883968, 
          tv_usec = 140041770781776
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 322302142
        }
#11 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29d9dc0, packet=0x29ddd51 "CREATE OR REPLACE VIEW transforms.view_25120_probe AS SELECT X . `col_int_not_null` FROM `table0` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_float_unsigned_key` ) WHERE X . `col_char_255_latin1_key` = ( SELECT `col_set_utf8_key_default_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `pk` = 79 ) LIMIT 5", packet_length=320) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e04004d90 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29d9dc0, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e84291f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e04004d91 "\004", 
            m_tok_start = 0x7f5e04004d91 "\004", 
            m_tok_end = 0x7f5e04004d91 "\004", 
            m_end_of_query = 0x7f5e04004d90 "", 
            m_tok_start_prev = 0x7f5e04004d90 "", 
            m_buf = 0x7f5e04004c50 "CREATE OR REPLACE VIEW transforms.view_25120_probe AS SELECT X . `col_int_not_null` FROM `table0` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_float_unsigned_key` ) WHERE X . `col_char_255_latin1_key` = ( SELECT `col_set_utf8_key_default_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `pk` = 79 ) LIMIT 5", 
            m_buf_length = 320, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e04004df8 "CREATE OR REPLACE VIEW transforms.view_25120_probe AS SELECT X . `col_int_not_null` FROM `table0` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_float_unsigned_key` ) WHERE X . `col_char_255_latin1_key` = ( SELECT `col_set_utf8_key_default_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `pk` = 79 ) LIMIT 5", 
            m_cpp_ptr = 0x7f5e04004f38 "", 
            m_cpp_tok_start = 0x7f5e04004f38 "", 
            m_cpp_tok_start_prev = 0x7f5e04004f38 "", 
            m_cpp_tok_end = 0x7f5e04004f38 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e04004f37 "5", 
            m_cpp_text_end = 0x7f5e04004f38 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29da020
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e84292ce0
        }
#12 0x0000000000729a47 in do_command (thd=0x29d9dc0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29ddd50 "\003CREATE OR REPLACE VIEW transforms.view_25120_probe AS SELECT X . `col_int_not_null` FROM `table0` AS X LEFT JOIN `table0_int_autoinc` AS Y USING ( `col_float_unsigned_key` ) WHERE X . `col_char_255_latin1_key` = ( SELECT `col_set_utf8_key_default_null` FROM `table10_key_pk_parts_2_int_autoinc` WHERE `pk` = 79 ) LIMIT 5"
        packet_length = <optimized out>
        net = 0x29da020
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#13 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29d9dc0
#14 0x00000000006ed727 in handle_one_connection (arg=0x29d9dc0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29d9dc0
#15 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x288cb30) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x288cb30
        user_arg = 0x29d9dc0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 13 (LWP 24681):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6eacb in os_cond_wait_timed (abstime=0x7f5e88ba6d30, fast_mutex=0x23c9910, cond=0x23c9950) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:177
        mutex = 0x23c9910
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x23c9910, time_in_usec=<optimized out>, reset_sig_count=1) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:723
        timed_out = 0
        abstime = {
          tv_sec = 1373676110, 
          tv_nsec = 420316000
        }
#3  0x0000000000b032bc in srv_monitor_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/srv/srv0srv.cc:1822
        sig_count = <optimized out>
        time_elapsed = <optimized out>
        last_tablespace_monitor_time = 1373676020
        last_monitor_time = 1373676100
        current_time = <optimized out>
        last_table_monitor_time = 1373676020
        mutex_skipped = 0
        last_srv_print_monitor = 0
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 12 (LWP 25090):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a283f80, mutex=0x29a1718, that=0x29a1748) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29a1718, owner=0x29a15e0, abs_timeout=0x7f5e8a283f80, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29a1718, mdl_request=0x7f5e240052f0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e240158e0
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 903641400
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29a1718, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e2400f600
        p_req = 0x7f5e2400f608
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x29a15e0, tables_start=0x7f5e24004d90, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a284090
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e2400aad0 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e240052f0, 
          prev_in_list = 0x7f5e8a2842c8, 
          ticket = 0x7f5e2400c2b0, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000Fn\230\000\000\000\000\000\340@(\212^\177\000\000\370\264\306\000\000\000\000\000\060C(\212^\177\000\000\000\000\000\000\000\000\000\000@C(\212^\177\000\000\243\322\306\000\000\000\000\000\005\000\000\200\v\000\000\000@7\316\000T\031\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\060A(\212^\177\000\000\370\264\306\000\000\000\000\000\250\061A\001\000\000\000\000&\360\316\000\000\000\000\000\220A(\212^\177\000\000\264\302\306\000\000\000\000\000\220C(\212^\177\000\000\260A(\212^\177\000\000p\001\000\000\v\000\000\000&\360\316\000\000\000\000\000\340\025\232\002\000\000\000\000\260A(\212^\177\000\000H0\232\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\000B(\212^\177\000\000\314\305s\000\000\000\000\000PP(\212^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\240B(\212^\177\000\000\360A(\212^\177\000\000\340\025\232\002\000\000\000\000!_\315\000\000\000\000\000Fn\230\000\000\000\000\000\020B(\212^\177\000\000\370\264\306\000\000\000\000\000PB(\212^\177\000\000!_\315\000\000\000\000\000pB(\212^\177\000\000\264\302\306\000\000\000\000\000\340\025\232\002\000\000\000\000@C(\212^\177\000\000\234\026\000\000\v\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x000000000077d7c5 in mysql_rm_table (thd=0x29a15e0, tables=0x7f5e24004d90, if_exists=0 '\000', drop_temporary=0 '\000') at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:2109
        __PRETTY_FUNCTION__ =           "bool mysql_rm_table(THD*, TABLE_LIST*, my_bool, my_bool)"
        error = <optimized out>
        err_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b2430 <vtable for Drop_table_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        table = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a284fe0
        }
#7  0x0000000000723482 in mysql_execute_command (thd=0x29a15e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3846
        res = 0
        lex = 0x29a39a8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a2850d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 21, 
            has_disabled_I_S = 154, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a284fd0 "0P(\212^\177", 
            previous_key =               "\340\025\232\002\000\000\000\000\360O(\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 79, 
            has_disabled_I_S = 40, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\000\000\000\000\000\000\000\000\177\250\300\f4\000\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29a3988, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29a40b8
        first_table = 0x7f5e24004d90
        all_tables = 0x7f5e24004d90
        unit = 0x29a3a70
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x29a15e0, rawbuf=0x29a39a8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29a39a8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a285bf0
        }
        start_usecs = 1373676108903599
        end_usecs = 0
        start_cpu_nsecs = 156325055
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 903599
        }
        end_time = {
          tv_sec = 43652576, 
          tv_usec = 140042307652688
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 156325055
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29a15e0, packet=0x29a5571 "DROP TABLE transforms.insert_select_25089", packet_length=41) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e24004c79 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29a15e0, 
            yylineno = 1, 
            yytoklen = 19, 
            yylval = 0x7f5e8a284f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e24004c7a "\016", 
            m_tok_start = 0x7f5e24004c7a "\016", 
            m_tok_end = 0x7f5e24004c7a "\016", 
            m_end_of_query = 0x7f5e24004c79 "", 
            m_tok_start_prev = 0x7f5e24004c79 "", 
            m_buf = 0x7f5e24004c50 "DROP TABLE transforms.insert_select_25089", 
            m_buf_length = 41, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e24004ce8 "DROP TABLE transforms.insert_select_25089", 
            m_cpp_ptr = 0x7f5e24004d11 "", 
            m_cpp_tok_start = 0x7f5e24004d11 "", 
            m_cpp_tok_start_prev = 0x7f5e24004d11 "", 
            m_cpp_tok_end = 0x7f5e24004d11 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e24004cfe "insert_select_25089", 
            m_cpp_text_end = 0x7f5e24004d11 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_UNLOCK, 
            m_mdl_type = MDL_EXCLUSIVE, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29a1840
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a285ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29a15e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29a5570 "\003DROP TABLE transforms.insert_select_25089"
        packet_length = <optimized out>
        net = 0x29a1840
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29a15e0
#12 0x00000000006ed727 in handle_one_connection (arg=0x29a15e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29a15e0
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28af5d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28af5d0
        user_arg = 0x29a15e0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 11 (LWP 24685):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000a6f533 in os_cond_wait (fast_mutex=0x23c99a0, cond=0x23c99e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:214
        mutex = 0x23c99a0
#2  os_event_wait_low (event=0x23c99a0, reset_sig_count=1) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/os/os0sync.cc:610
No locals.
#3  0x0000000000b7c8ac in buf_dump_thread (arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/innobase/buf/buf0dump.cc:594
No locals.
#4  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#5  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 10 (LWP 25108):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e84311e10, mutex=0x29c9d18, that=0x29c9d48) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29c9d18, owner=0x29c9be0, abs_timeout=0x7f5e84311e10, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29c9d18, mdl_request=0x7f5e84311ed0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e0c019be0
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 879370300
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29c9d18, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e0c019c90
        p_req = 0x7f5e0c019c98
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x000000000084f1b5 in lock_schema_name (thd=0x29c9be0, db=0x7f5e0c004db0 "transforms") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 2
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e84312080
        }
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e84311ed0, 
          prev_in_list = 0x7f5e84312238, 
          ticket = 0x7f5e0c04b820, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000P\"1\204^\177\000\000\320 1\204^\177\000\000X\357\265\000\000\000\000\000\060S\002\f^\177\000\000\060\211\341\220^\177\000\000 !1\204^\177\000\000\336\002\266\000\000\000\000\000HU\020|^\177\000\000P\"1\204^\177\000\000\020V\002\f^\177\000\000p\000\237\221^\177\000\000\270R\002\f^\177\000\000HU\020|^\177\000\000\020V\002\f^\177\000\000\000\000\000\000\000\000\000\000\240*1\204^\177\000\000\356|\256\000\000\000\000\000\006\002\000\000\000\000\000\000P\"1\204^\177\000\000\000+1\204^\177\000\000Fn\230\000\000\000\000\000p!1\204^\177\000\000\370\264\306\000\000\000\000\000\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000@\017\001\f^\177\000\000`*1\204^\177\000\000\375\234\327\000\000\000\000\000H*1\204^\177\000\000P*1\204^\177\000\000\020T\002\f^\177\000\000\300!1\204^\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000X*1\204^\177\000\000Z\022\316\000\000\000\000\000Fn\230\000\000\000\000\000\000\"1\204^\177\000\000\370\264\306\000\000\000\000\000\001\000\000\000\000\000\000\000Z\022\316\000\000\000\000\000`\"1\204^\177\000\000\264\302\306", '\000' <repeats 13 times>, "\060\063\061\204^\177\000\000&\002\000\000\v\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        mdl_request = {
          type = MDL_EXCLUSIVE, 
          duration = MDL_TRANSACTION, 
          next_in_list = 0x0, 
          prev_in_list = 0x7f5e84312088, 
          ticket = 0x0, 
          key = {
            m_length = 13, 
            m_db_name_length = 10, 
            m_ptr =               "\001transforms\000\000\037\061\204\377\377\377\377\000\000\000\000\000\000\000\000\000+1\204^\177\000\000\000'1\204^\177\000\000h\222\002\f^\177\000\000\001\000\000\000\000\000\000\000\320#1\204^\177\000\000\255\211\215\000\000\000\000\000\360!1\204^\177\000\000\000\020\000\000\000\000\000\000\220\000\000\000\000\000\000\000\360\"1\204^\177\000\000\260\"1\204^\177\000\000\000 1\204^\177\000\000\220#1\204^\177\000\000\000\000\000\000\000\000%@p#1\204^\177\000\000P\320t\000=\000\000\000\260\037\061\204^\177\000\000!۰", '\000' <repeats 13 times>, "\350\211\341\220^\177\000\000  1\204^\177\000\000U\260\266\000\000\000\000\000\340\037\061\204^\177\000\000!۰\000\000\000\000\000H 1\204^\177\000\000\350\211\341\220^\177\000\000\000 1\204^\177\000\000Q۰\000\000\000\000\000\020 1\204^\177\000\000Q۰\000\000\000\000\000  1\204^\177\000\000\060\211\341\220^\177\000\000\220 1\204^\177\000\000\241e\246\000\000\000\000\000` 1\204^\177\000\000QY\267\000\000\000\000\000P 1\204^\177", '\000' <repeats 12 times>, "\237\221^\177\000\000h\024A\001\000\000\000\000\000\000\237\221^\177\000\000p\000\000\000\000\000\000\000\220 1\204^\177\000\000P\"1\204^\177\000\000x\"1\204^\177", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
#6  0x00000000006eeeb8 in mysql_create_db (thd=0x29c9be0, db=0x7f5e0c004db0 "transforms", create_info=0x7f5e84313a00, silent=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
        stat_info = {
          st_dev = 140043921470176, 
          st_ino = 6924710, 
          st_nlink = 140043921470160, 
          st_mode = 201346480, 
          st_uid = 32606, 
          st_gid = 16, 
          __pad0 = 0, 
          st_rdev = 140043921470296, 
          st_size = 43817952, 
          st_blksize = 43822224, 
          st_blocks = 140043921470352, 
          st_atim = {
            tv_sec = 7445426, 
            tv_nsec = 140043921470304
          }, 
          st_mtim = {
            tv_sec = 140043921470288, 
            tv_nsec = 72057641282568405
          }, 
          st_ctim = {
            tv_sec = 0, 
            tv_nsec = 13545157
          }, 
          __unused =             {[0] = 140043921470256,
            [1] = 0,
            [2] = 43817952}
        }
        __PRETTY_FUNCTION__ =           "int mysql_create_db(THD*, char*, HA_CREATE_INFO*, bool)"
        path =           "\360\062\061\204^\177\000\000\243\322\306\000\241\025\000\000\005\000\000\200\v\000\000\000v\"\314\000\000\000\000\000P31\204^\177\000\000Fn\230\000\000\000\000\000\340\060\061\204^\177\000\000\370\264\306\000\000\000\000\000\360\060\061\204^\177\000\000P31\204^\177\000\000@31\204^\177\000\000\243\322\306\000\000\000\000\000P31\204^\177\000\000\243\322\306\000\330\000\000\000\005\000\000\200\v\000\000\000\221\254\316\000\000\000\000\000\005\000\000\200\v\000\000\000P\001\315\000\000\000\000\000\250\061A\001\000\000\000\000P31\204^\177\000\000\000\000\000\000\000\000\000\000 @1\204^\177\000\000\220\063\061\204^\177\000\000X\345|\000\000\000\000\000\005\000\000\200\v\000\000\000x\267\316\000\000\000\000\000\340\233\234\002\000\000\000\000@>1\204^\177\000\000\240\061\061\204^\177\000\000\265@q\000\000\000\000\000\030L\327\000\000\000\000\000Fn\230\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\300\061\061\204^\177\000\000\370\264\306\000\000\000\000\000\020\062\061\204^\177\000\000&\360\316\000\000\000\000\000 21\204^\177\000\000\264\302\306\000\000\000\000\000&\253\316\000\000\000\000\000@21\204^\177\000\000p\001\000\000\v\000\000\000&\360\316\000\000\000\000\000\340\233\234\002\000\000\000\000@21\204^\177\000\000H\266\234\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\220\062\061\204^\177\000\000\314\305s\000\000\000\000\000P21\204^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\060\063\061\204^\177\000\000\200\062\061\204^\177\000\000\340\233\234\002\000\000\000\000\241\307\312\000\000\000\000\000\320\311=\001\000\000\000\000\340\062\061\204^\177\000\000\177͝\000\000\000\000\000\340\062\061\204^\177\000\000\001\000\000\000\000\000\000"
        error = 0
        create_options = 2
        path_len = <optimized out>
        was_truncated = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e84313fe0
        }
#7  0x0000000000724dd0 in mysql_execute_command (thd=0x29c9be0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e84313aa0
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_DEFAULT, 
          null_bits = 0, 
          options = 2, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alias = <optimized out>
        res = 0
        lex = 0x29cbfa8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e843140d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 155, 
            has_disabled_I_S = 156, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e84313fd0 "0@1\204^\177", 
            previous_key =               "\340\233\234\002\000\000\000\000\360?1\204^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 63, 
            has_disabled_I_S = 49, 
            empty = 132, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340?1\204^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29cbf88, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29cc6b8
        first_table = 0x0
        all_tables = 0x0
        unit = 0x29cc070
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x29c9be0, rawbuf=0x29cbfa8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29cbfa8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e84314bf0
        }
        start_usecs = 1373676108879353
        end_usecs = 0
        start_cpu_nsecs = 256857556
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 879353
        }
        end_time = {
          tv_sec = 43817952, 
          tv_usec = 140041904999552
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 256857556
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29c9be0, packet=0x29cdb71 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", packet_length=88) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e0c004cd8 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29c9be0, 
            yylineno = 1, 
            yytoklen = 10, 
            yylval = 0x7f5e84313f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e0c004cd9 "\004", 
            m_tok_start = 0x7f5e0c004cd9 "\004", 
            m_tok_end = 0x7f5e0c004cd9 "\004", 
            m_end_of_query = 0x7f5e0c004cd8 "", 
            m_tok_start_prev = 0x7f5e0c004cd8 "", 
            m_buf = 0x7f5e0c004c80 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_buf_length = 88, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e0c004d40 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_cpp_ptr = 0x7f5e0c004d98 "", 
            m_cpp_tok_start = 0x7f5e0c004d98 "", 
            m_cpp_tok_start_prev = 0x7f5e0c004d98 "", 
            m_cpp_tok_end = 0x7f5e0c004d98 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e0c004d8e "transforms", 
            m_cpp_text_end = 0x7f5e0c004d98 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29c9e40
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e84314ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29c9be0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29cdb70 "\003/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms"
        packet_length = <optimized out>
        net = 0x29c9e40
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29c9be0
#12 0x00000000006ed727 in handle_one_connection (arg=0x29c9be0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29c9be0
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x27eb3e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x27eb3e0
        user_arg = 0x29c9be0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 9 (LWP 25242):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000008e0466 in inline_mysql_cond_timedwait (src_line=762, src_file=0xd80400 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc", abstime=0x7f5e8451dc90, mutex=0x29260a0, that=0x29260d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  Event_queue::cond_wait (this=0x29260a0, thd=0x7f5e20016a90, abstime=0x7f5e8451dc90, stage=0x13febe0 <stage_waiting_for_next_activation>, src_func=0xd80a10 <Event_queue::get_top_for_execution_if_time(THD*, Event_queue_element_for_exec**)::__FUNCTION__> "get_top_for_execution_if_time", src_file=0xd80400 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc", src_line=615) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc:762
        _db_stack_frame_ = {
          func = 0xd80568 "Event_queue::get_top_for_execution_if_time", 
          file = 0xd80400 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc", 
          level = 2147483652, 
          prev = 0x7f5e8451dc70
        }
#3  0x00000000008e0923 in Event_queue::get_top_for_execution_if_time (this=0x29260a0, thd=0x7f5e20016a90, event_name=0x7f5e8451dd08) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_queue.cc:615
        top_time = {
          tv_sec = 1373676109, 
          tv_nsec = 522094100
        }
        top = <optimized out>
        ret = false
        status = 0
        __FUNCTION__ =           "get_top_for_execution_if_time"
        last_executed = 0
        _db_stack_frame_ = {
          func = 0xd80d03 "Event_scheduler::run", 
          file = 0xd80dd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc", 
          level = 2147483651, 
          prev = 0x7f5e8451dce0
        }
#4  0x00000000008e3027 in Event_scheduler::run (this=0x2926180, thd=0x7f5e20016a90) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc:481
        event_name = 0x0
        res = 0
        _db_stack_frame_ = {
          func = 0xd80d2d "event_scheduler_thread", 
          file = 0xd80dd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc", 
          level = 2147483650, 
          prev = 0x7f5e8451dd50
        }
        __PRETTY_FUNCTION__ =           "bool Event_scheduler::run(THD*)"
        __FUNCTION__ =           "run"
#5  0x00000000008e33e1 in event_scheduler_thread (arg=0x7f5e20020af0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/event_scheduler.cc:244
        thd = 0x7f5e20016a90
        scheduler = 0x2926180
        res = false
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x7f5e200145f0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x7f5e200145f0
        user_arg = 0x7f5e20020af0
        pfs = <optimized out>
        user_start_routine = 0x8e3340 <event_scheduler_thread(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 8 (LWP 25080):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e8a345e10, mutex=0x2989448, that=0x2989478) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x2989448, owner=0x2989310, abs_timeout=0x7f5e8a345e10, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x2989448, mdl_request=0x7f5e8a345ed0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e2804ffd0
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 879178500
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x2989448, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e28050210
        p_req = 0x7f5e28050218
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x000000000084f1b5 in lock_schema_name (thd=0x2989310, db=0x7f5e28004d88 "transforms") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 2
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e8a346080
        }
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e8a345ed0, 
          prev_in_list = 0x7f5e8a346238, 
          ticket = 0x7f5e2804ff80, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\370\264\306", '\000' <repeats 21 times>, " c4\212^\177\000\000\243\322\306\000\000\000\000\000\000&T\001\000\000\000\000\000\000\000\000\307 \000\000\v\000\000\200\000\000\000\000\375\234\327\000\000\000\000\000Pc4\212^\177\000\000\240\335\332\000\276\n\000\000\v\000\000\200\000\000\000\000\343\234\327\000\000\000\000\000\365\021\000\000\000\000\000\000pa4\212^\177\000\000\000\000\000\000\000\000\000\000Fn\230\000\000\000\000\000Pa4\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\200a4\212^\177\000\000\370\264\306\000\352\032\000\000\v\000\000\200\000\000\000\000i\232\327", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000\260a4\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306", '\000' <repeats 13 times>, "Fn\230\000\000\000\000\000Z\022\316\000\000\000\000\000Fn\230\000\000\000\000\000\000b4\212^\177\000\000\370\264\306\000\000\000\000\000\177\250\300\f4\000\000\000Z\022\316\000\000\000\000\000`b4\212^\177\000\000\264\302\306\000\000\000\000\000\t\000\000\200\000\000\000\000\060s4\212^\177\000\000&\002\000\000\v\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        mdl_request = {
          type = MDL_EXCLUSIVE, 
          duration = MDL_TRANSACTION, 
          next_in_list = 0x0, 
          prev_in_list = 0x7f5e8a346088, 
          ticket = 0x0, 
          key = {
            m_length = 13, 
            m_db_name_length = 10, 
            m_ptr =               "\001transforms\000\000a4\212^\177\000\000\243\322\306\000\000\000\000\000\232\256\300\f4\000\000\000\243\322\306\000\037\001\000\000\000O\000(^\177\000\000Fn\230\000\000\000\000\000P_4\212^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000\000O\000(^\177\000\000\270U\000(^\177\000\000Fn\230\000\000\000\000\000\200_4\212^\177\000\000\370\264\306\000\000\000\000\000\001", '\000' <repeats 15 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\000O\000(^\177\000\000Fn\230\000\000\000\000\000\300_4\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\035)\332\000\000\000\000\000Fn\230\000\000\000\000\000\360_4\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\302K\332\000\000\000\000\000Fn\230\000\000\000\000\000\060`4\212^\177\000\000\370\264\306\000\000\000\000\000@`4\212^\177\000\000\302K\332\000\000\000\000\000\220`4\212^\177\000\000\264\302\306\000\000\000\000\000\342\000\000\000\000\000\000\000Fn\230\000\000\000\000\000kc4\212^\177\000\000Fn\230\000\000\000\000\000\200`4\212^\177\000\000kc4\212^\177\000\000\033\000\000\000\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
#6  0x00000000006eeeb8 in mysql_create_db (thd=0x2989310, db=0x7f5e28004d88 "transforms", create_info=0x7f5e8a347a00, silent=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
        stat_info = {
          st_dev = 140044022346464, 
          st_ino = 6924710, 
          st_nlink = 140044022346448, 
          st_mode = 671108488, 
          st_uid = 32606, 
          st_gid = 16, 
          __pad0 = 0, 
          st_rdev = 140044022346584, 
          st_size = 43553552, 
          st_blksize = 43557824, 
          st_blocks = 140044022346640, 
          st_atim = {
            tv_sec = 7445426, 
            tv_nsec = 140044022346592
          }, 
          st_mtim = {
            tv_sec = 140044022346576, 
            tv_nsec = 72057641282568405
          }, 
          st_ctim = {
            tv_sec = 0, 
            tv_nsec = 13545157
          }, 
          __unused =             {[0] = 140044022346544,
            [1] = 0,
            [2] = 43553552}
        }
        __PRETTY_FUNCTION__ =           "int mysql_create_db(THD*, char*, HA_CREATE_INFO*, bool)"
        path =           "\177\250\300\f4\000\000\000\243\322\306\000\241\025\000\000\005\000\000\200\v\000\000\000v\"\314\000\000\000\000\000Ps4\212^\177\000\000Fn\230\000\000\000\000\000\340p4\212^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\243\322\306\000\000\000\000\000Ps4\212^\177\000\000\243\322\306\000\330\000\000\000\005\000\000\200\v\000\000\000\221\254\316\000\000\000\000\000\005\000\000\200\v\000\000\000P\001\315\000\000\000\000\000\250\061A\001\000\000\000\000Ps4\212^\177\000\000\000\000\000\000\000\000\000\000 \200\064\212^\177\000\000\220s4\212^\177\000\000X\345|\000\000\000\000\000\005\000\000\200\v\000\000\000x\267\316\000\000\000\000\000\020\223\230\002\000\000\000\000@~4\212^\177\000\000\240q4\212^\177\000\000\265@q\000\000\000\000\000\030L\327\000\000\000\000\000Fn\230\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\300q4\212^\177\000\000\370\264\306\000\000\000\000\000\020r4\212^\177\000\000&\360\316\000\000\000\000\000 r4\212^\177\000\000\264\302\306\000\000\000\000\000&\253\316\000\000\000\000\000@r4\212^\177\000\000p\001\000\000\v\000\000\000&\360\316\000\000\000\000\000\020\223\230\002\000\000\000\000@r4\212^\177\000\000x\255\230\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\220r4\212^\177\000\000\314\305s\000\000\000\000\000Pr4\212^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\060s4\212^\177\000\000\200r4\212^\177\000\000\020\223\230\002\000\000\000\000\241\307\312\000\000\000\000\000\320\311=\001\000\000\000\000\340r4\212^\177\000\000\177͝\000\000\000\000\000\340r4\212^\177\000\000\001\000\000\000\000\000\000"
        error = 0
        create_options = 2
        path_len = <optimized out>
        was_truncated = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a347fe0
        }
#7  0x0000000000724dd0 in mysql_execute_command (thd=0x2989310) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e8a347aa0
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_DEFAULT, 
          null_bits = 0, 
          options = 2, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alias = <optimized out>
        res = 0
        lex = 0x298b6d8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a3480d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 147, 
            has_disabled_I_S = 152, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a347fd0 "0\200\064\212^\177", 
            previous_key =               "\020\223\230\002\000\000\000\000\360\177\064\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 127, 
            has_disabled_I_S = 52, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340\177\064\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x298b6b8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x298bde8
        first_table = 0x0
        all_tables = 0x0
        unit = 0x298b7a0
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x2989310, rawbuf=0x298b6d8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x298b6d8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a348bf0
        }
        start_usecs = 1373676108879158
        end_usecs = 0
        start_cpu_nsecs = 226836212
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 879158
        }
        end_time = {
          tv_sec = 43553552, 
          tv_usec = 140042374761552
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 226836212
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2989310, packet=0x298d2a1 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", packet_length=88) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e28004ca8 ""
        parser_state = {
          m_lip = {
            m_thd = 0x2989310, 
            yylineno = 1, 
            yytoklen = 10, 
            yylval = 0x7f5e8a347f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e28004ca9 "\016", 
            m_tok_start = 0x7f5e28004ca9 "\016", 
            m_tok_end = 0x7f5e28004ca9 "\016", 
            m_end_of_query = 0x7f5e28004ca8 "", 
            m_tok_start_prev = 0x7f5e28004ca8 "", 
            m_buf = 0x7f5e28004c50 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_buf_length = 88, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e28004d18 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_cpp_ptr = 0x7f5e28004d70 "", 
            m_cpp_tok_start = 0x7f5e28004d70 "", 
            m_cpp_tok_start_prev = 0x7f5e28004d70 "", 
            m_cpp_tok_end = 0x7f5e28004d70 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e28004d66 "transforms", 
            m_cpp_text_end = 0x7f5e28004d70 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2989570
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a348ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x2989310) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x298d2a0 "\003/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms"
        packet_length = <optimized out>
        net = 0x2989570
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2989310
#12 0x00000000006ed727 in handle_one_connection (arg=0x2989310) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2989310
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2989310
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 7 (LWP 25116):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e842d1f80, mutex=0x29d1e08, that=0x29d1e38) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29d1e08, owner=0x29d1cd0, abs_timeout=0x7f5e842d1f80, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29d1e08, mdl_request=0x7f5e000052f8, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e00010530
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 879803800
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29d1e08, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e00004aa0
        p_req = 0x7f5e00004aa8
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x29d1cd0, tables_start=0x7f5e00004d98, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e842d2090
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e00009650 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e000052f8, 
          prev_in_list = 0x7f5e842d22c8, 
          ticket = 0x7f5e000106a0, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000Fn\230\000\000\000\000\000\340 -\204^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\005\000\000\200\v\000\000\000@7\316\000T\031\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\060!-\204^\177\000\000\370\264\306", '\000' <repeats 21 times>, "\177\250\300\f4\000\000\000\264\302\306\000\000\000\000\000\220#-\204^\177\000\000\260!-\204^\177\000\000p\001\000\000\v\000\000\000&\360\316\000\000\000\000\000\320\034\235\002\000\000\000\000\260!-\204^\177\000\000\070\067\235\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\000\"-\204^\177\000\000\314\305s\000\000\000\000\000P0-\204^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\240\"-\204^\177\000\000\360!-\204^\177\000\000\320\034\235\002\000\000\000\000!_\315\000\000\000\000\000Fn\230\000\000\000\000\000\020\"-\204^\177\000\000\370\264\306\000\000\000\000\000P\"-\204^\177\000\000!_\315\000\000\000\000\000p\"-\204^\177\000\000\264\302\306\000\000\000\000\000\320\034\235\002\000\000\000\000@#-\204^\177\000\000\234\026\000\000\v\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x000000000077d7c5 in mysql_rm_table (thd=0x29d1cd0, tables=0x7f5e00004d98, if_exists=1 '\001', drop_temporary=0 '\000') at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_table.cc:2109
        __PRETTY_FUNCTION__ =           "bool mysql_rm_table(THD*, TABLE_LIST*, my_bool, my_bool)"
        error = <optimized out>
        err_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b2430 <vtable for Drop_table_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        table = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e842d2fe0
        }
#7  0x0000000000723482 in mysql_execute_command (thd=0x29d1cd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:3846
        res = 0
        lex = 0x29d4098
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e842d30d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 28, 
            has_disabled_I_S = 157, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e842d2fd0 "00-\204^\177", 
            previous_key =               "\320\034\235\002\000\000\000\000\360/-\204^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 47, 
            has_disabled_I_S = 45, 
            empty = 132, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340/-\204^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29d4078, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29d47a8
        first_table = 0x7f5e00004d98
        all_tables = 0x7f5e00004d98
        unit = 0x29d4160
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x29d1cd0, rawbuf=0x29d4098 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29d4098
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e842d3bf0
        }
        start_usecs = 1373676108879652
        end_usecs = 0
        start_cpu_nsecs = 280878065
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 879652
        }
        end_time = {
          tv_sec = 43850960, 
          tv_usec = 140041703672912
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 280878065
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29d1cd0, packet=0x29d5c61 "DROP TABLE IF EXISTS transforms.insert_select_25115", packet_length=51) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e00004c83 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29d1cd0, 
            yylineno = 1, 
            yytoklen = 19, 
            yylval = 0x7f5e842d2f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e00004c84 "\004", 
            m_tok_start = 0x7f5e00004c84 "\004", 
            m_tok_end = 0x7f5e00004c84 "\004", 
            m_end_of_query = 0x7f5e00004c83 "", 
            m_tok_start_prev = 0x7f5e00004c83 "", 
            m_buf = 0x7f5e00004c50 "DROP TABLE IF EXISTS transforms.insert_select_25115", 
            m_buf_length = 51, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e00004ce8 "DROP TABLE IF EXISTS transforms.insert_select_25115", 
            m_cpp_ptr = 0x7f5e00004d1b "", 
            m_cpp_tok_start = 0x7f5e00004d1b "", 
            m_cpp_tok_start_prev = 0x7f5e00004d1b "", 
            m_cpp_tok_end = 0x7f5e00004d1b "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e00004d08 "insert_select_25115", 
            m_cpp_text_end = 0x7f5e00004d1b "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_UNLOCK, 
            m_mdl_type = MDL_EXCLUSIVE, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29d1f30
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e842d3ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29d1cd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29d5c60 "\003DROP TABLE IF EXISTS transforms.insert_select_25115"
        packet_length = <optimized out>
        net = 0x29d1f30
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29d1cd0
#12 0x00000000006ed727 in handle_one_connection (arg=0x29d1cd0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29d1cd0
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x2859d70) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x2859d70
        user_arg = 0x29d1cd0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 6 (LWP 25130):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a32ef in inline_mysql_cond_wait (src_line=2653, mutex=0x14e0440 <LOCK_thread_count>, that=0x14e23c0 <COND_thread_cache>, src_file=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
        result = <optimized out>
        src_file = 0xcad580 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc"
#2  block_until_new_connection () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, block_pthread=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#4  0x00000000006ed5be in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29994f0
#5  0x00000000006ed727 in handle_one_connection (arg=0x29e9fa0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29e9fa0
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x295cad0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x295cad0
        user_arg = 0x29e9fa0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 5 (LWP 25087):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a32ef in inline_mysql_cond_wait (src_line=2653, mutex=0x14e0440 <LOCK_thread_count>, that=0x14e23c0 <COND_thread_cache>, src_file=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
        result = <optimized out>
        src_file = 0xcad580 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc"
#2  block_until_new_connection () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, block_pthread=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#4  0x00000000006ed5be in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29994f0
#5  0x00000000006ed727 in handle_one_connection (arg=0x29994f0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29994f0
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x28af5d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x28af5d0
        user_arg = 0x29994f0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 4 (LWP 25078):
+bt full
#0  0x000000340cc0b43c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x00000000005a32ef in inline_mysql_cond_wait (src_line=2653, mutex=0x14e0440 <LOCK_thread_count>, that=0x14e23c0 <COND_thread_cache>, src_file=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1162
        result = <optimized out>
        src_file = 0xcad580 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc"
#2  block_until_new_connection () at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2653
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, block_pthread=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mysqld.cc:2747
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#4  0x00000000006ed5be in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1629
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2981220
#5  0x00000000006ed727 in handle_one_connection (arg=0x2981220) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2981220
#6  0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2981220
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#7  0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#8  0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (LWP 25107):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e84352e10, mutex=0x29c1c28, that=0x29c1c58) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29c1c28, owner=0x29c1af0, abs_timeout=0x7f5e84352e10, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 8, 
          m_name = 0xcac7a1 "checking permissions", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29c1c28, mdl_request=0x7f5e84352ed0, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e08014c60
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 933509600
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29c1c28, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e08014430
        p_req = 0x7f5e08014438
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x000000000084f1b5 in lock_schema_name (thd=0x29c1af0, db=0x7f5e08004d80 "transforms") at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/lock.cc:797
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 2
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e84353080
        }
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e84352ed0, 
          prev_in_list = 0x7f5e84353238, 
          ticket = 0x7f5e08014f40, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               '\000' <repeats 60 times>, "\004\000\000\000\001", '\000' <repeats 19 times>, "\240}\000\b^\177\000\000\023\000\005\000\002mysql\000tables_priv", '\000' <repeats 186 times>, "Z\022\316\000\000\000\000\000Fn\230\000\000\000\000\000\000\062\065\204^\177\000\000\370\264\306", '\000' <repeats 13 times>, "Z\022\316\000\000\000\000\000`25\204^\177\000\000\264\302\306", '\000' <repeats 13 times>, "\060C5\204^\177\000\000&\002\000\000\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        mdl_request = {
          type = MDL_EXCLUSIVE, 
          duration = MDL_TRANSACTION, 
          next_in_list = 0x0, 
          prev_in_list = 0x7f5e84353088, 
          ticket = 0x0, 
          key = {
            m_length = 13, 
            m_db_name_length = 10, 
            m_ptr =               "\001transforms", '\000' <repeats 241 times>, "\v", '\000' <repeats 15 times>, "\005\000\000\000\000\000\000\000\v\000\000\000\000\000\000\000\001", '\000' <repeats 101 times>, 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
#6  0x00000000006eeeb8 in mysql_create_db (thd=0x29c1af0, db=0x7f5e08004d80 "transforms", create_info=0x7f5e84354a00, silent=false) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_db.cc:559
        stat_info = {
          st_dev = 140043921736416, 
          st_ino = 6924710, 
          st_nlink = 140043921736400, 
          st_mode = 134237568, 
          st_uid = 32606, 
          st_gid = 16, 
          __pad0 = 0, 
          st_rdev = 140043921736536, 
          st_size = 43784944, 
          st_blksize = 43789216, 
          st_blocks = 140043921736592, 
          st_atim = {
            tv_sec = 7445426, 
            tv_nsec = 140043921736544
          }, 
          st_mtim = {
            tv_sec = 140043921736528, 
            tv_nsec = 72057594037928149
          }, 
          st_ctim = {
            tv_sec = 0, 
            tv_nsec = 13545157
          }, 
          __unused =             {[0] = 140043921736496,
            [1] = 0,
            [2] = 43784944}
        }
        __PRETTY_FUNCTION__ =           "int mysql_create_db(THD*, char*, HA_CREATE_INFO*, bool)"
        path =           "\360B5\204^\177\000\000\243\322\306\000\241\025\000\000\005\000\000\200\000\000\000\000v\"\314\000\000\000\000\000PC5\204^\177\000\000Fn\230\000\000\000\000\000\340@5\204^\177\000\000\370\264\306\000\000\000\000\000\360@5\204^\177\000\000PC5\204^\177\000\000@C5\204^\177\000\000\243\322\306\000\000\000\000\000PC5\204^\177\000\000\243\322\306\000\330\000\000\000\005\000\000\200\000\000\000\000\221\254\316\000\000\000\000\000\005\000\000\200\000\000\000\000P\001\315\000\000\000\000\000\250\061A\001\000\000\000\000PC5\204^\177\000\000\000\000\000\000\000\000\000\000 P5\204^\177\000\000\220C5\204^\177\000\000X\345|\000\000\000\000\000\005\000\000\200\000\000\000\000x\267\316\000\000\000\000\000\360\032\234\002\000\000\000\000@N5\204^\177\000\000\240A5\204^\177\000\000\265@q\000\000\000\000\000\030L\327\000\000\000\000\000Fn\230\000\000\000\000\000&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000\300A5\204^\177\000\000\370\264\306\000\000\000\000\000\020B5\204^\177\000\000&\360\316\000\000\000\000\000 B5\204^\177\000\000\264\302\306\000\000\000\000\000&\253\316\000\000\000\000\000@B5\204^\177\000\000p\001\000\000\000\000\000\000&\360\316\000\000\000\000\000\360\032\234\002\000\000\000\000@B5\204^\177\000\000X5\234\002\000\000\000\000\241\307\312\000\000\000\000\000@\263\316\000\000\000\000\000[\025\000\000\000\000\000\000\220B5\204^\177\000\000\314\305s\000\000\000\000\000PB5\204^\177\000\000\004\310\316\000\000\000\000\000v\"\314\000\000\000\000\000@\263\316\000\000\000\000\000\006\000\000\200\000\000\000\000\060C5\204^\177\000\000\200B5\204^\177\000\000\360\032\234\002\000\000\000\000\241\307\312\000\000\000\000\000\320\311=\001\000\000\000\000\340B5\204^\177\000\000\177͝\000\000\000\000\000\340B5\204^\177\000\000\001\000\000\000\000\000\000"
        error = 0
        create_options = 2
        path_len = <optimized out>
        was_truncated = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e84354fe0
        }
#7  0x0000000000724dd0 in mysql_execute_command (thd=0x29c1af0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:4045
        create_info = {
          table_charset = 0x0, 
          default_table_charset = 0x0, 
          connect_string = {
            str = 0x0, 
            length = 0
          }, 
          password = 0x0, 
          tablespace = 0x0, 
          comment = {
            str = 0x0, 
            length = 0
          }, 
          data_file_name = 0x0, 
          index_file_name = 0x0, 
          alias = 0x0, 
          max_rows = 0, 
          min_rows = 0, 
          auto_increment_value = 0, 
          table_options = 0, 
          avg_row_length = 0, 
          used_fields = 0, 
          key_block_size = 0, 
          stats_sample_pages = 0, 
          stats_auto_recalc = HA_STATS_AUTO_RECALC_DEFAULT, 
          merge_list = {
            <Sql_alloc> = {<No data fields>}, 
            members of SQL_I_List<TABLE_LIST>: 
            elements = 0, 
            first = 0x0, 
            next = 0x7f5e84354aa0
          }, 
          db_type = 0x0, 
          row_type = ROW_TYPE_DEFAULT, 
          null_bits = 0, 
          options = 2, 
          merge_insert_method = 0, 
          extra_size = 0, 
          varchar = false, 
          storage_media = HA_SM_DEFAULT
        }
        alias = <optimized out>
        res = 0
        lex = 0x29c3eb8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e843550d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 26, 
            has_disabled_I_S = 156, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e84354fd0 "0P5\204^\177", 
            previous_key =               "\360\032\234\002\000\000\000\000\360O5\204^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 79, 
            has_disabled_I_S = 53, 
            empty = 132, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\224\255\316\000\000\000\000\000\340O5\204^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29c3e98, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29c45c8
        first_table = 0x0
        all_tables = 0x0
        unit = 0x29c3f80
        have_table_map_for_update = false
#8  0x0000000000727818 in mysql_parse (thd=0x29c1af0, rawbuf=0x29c3eb8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29c3eb8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e84355bf0
        }
        start_usecs = 1373676108933446
        end_usecs = 0
        start_cpu_nsecs = 210189374
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 933446
        }
        end_time = {
          tv_sec = 43784944, 
          tv_usec = 140041837890640
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 210189374
        }
#9  0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29c1af0, packet=0x29c5a81 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", packet_length=88) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e08004ca8 ""
        parser_state = {
          m_lip = {
            m_thd = 0x29c1af0, 
            yylineno = 1, 
            yytoklen = 10, 
            yylval = 0x7f5e84354f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e08004ca9 "\004", 
            m_tok_start = 0x7f5e08004ca9 "\004", 
            m_tok_end = 0x7f5e08004ca9 "\004", 
            m_end_of_query = 0x7f5e08004ca8 "", 
            m_tok_start_prev = 0x7f5e08004ca8 "", 
            m_buf = 0x7f5e08004c50 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_buf_length = 88, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e08004d10 "/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms", 
            m_cpp_ptr = 0x7f5e08004d68 "", 
            m_cpp_tok_start = 0x7f5e08004d68 "", 
            m_cpp_tok_start_prev = 0x7f5e08004d68 "", 
            m_cpp_tok_end = 0x7f5e08004d68 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e08004d5e "transforms", 
            m_cpp_text_end = 0x7f5e08004d68 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29c1d50
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e84355ce0
        }
#10 0x0000000000729a47 in do_command (thd=0x29c1af0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29c5a80 "\003/* GenTest::Transform::ExecuteAsInsertSelect */ CREATE DATABASE IF NOT EXISTS transforms"
        packet_length = <optimized out>
        net = 0x29c1d50
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#11 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29c1af0
#12 0x00000000006ed727 in handle_one_connection (arg=0x29c1af0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29c1af0
#13 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29549e0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29549e0
        user_arg = 0x29c1af0
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#14 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#15 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (LWP 25097):
+bt full
#0  0x000000340cc0b7bb in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000677db6 in inline_mysql_cond_timedwait (src_line=1306, src_file=0xccff10 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc", abstime=0x7f5e9957b260, mutex=0x29a9958, that=0x29a9988) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/include/mysql/psi/mysql_thread.h:1199
        result = <optimized out>
#2  MDL_wait::timed_wait (this=0x29a9958, owner=0x29a9820, abs_timeout=0x7f5e9957b260, set_status_on_timeout=true, wait_state_name=0x0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:1306
        old_stage = {
          m_key = 46, 
          m_name = 0xcac973 "Opening tables", 
          m_flags = 0
        }
        result = <optimized out>
        wait_result = 0
        __FUNCTION__ =           "timed_wait"
#3  0x0000000000679d3c in MDL_context::acquire_lock (this=0x29a9958, mdl_request=0x7f5e1c015af8, lock_wait_timeout=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2245
        ticket = 0x7f5e1c014820
        __PRETTY_FUNCTION__ =           "bool MDL_context::acquire_lock(MDL_request*, ulong)"
        lock = 0x7f5e24015930
        abs_timeout = {
          tv_sec = 1405212108, 
          tv_nsec = 945343900
        }
        wait_status = <optimized out>
#4  0x000000000067a46b in MDL_context::acquire_locks (this=0x29a9958, mdl_requests=<optimized out>, lock_wait_timeout=31536000) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/mdl.cc:2339
        sort_buf = 0x7f5e1c0126f0
        p_req = 0x7f5e1c0126f8
        mdl_svp = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        it = <optimized out>
        req_count = <optimized out>
#5  0x00000000006c5e2e in lock_table_names (thd=0x29a9820, tables_start=0x7f5e1c005010, tables_end=<optimized out>, lock_wait_timeout=<optimized out>, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:4824
        exists = true
        res = <optimized out>
        mdl_requests = {
          <I_P_List_counter> = {
            m_counter = 3
          }, 
          <I_P_List_no_push_back<MDL_request>> = {<No data fields>}, 
          members of I_P_List<MDL_request, I_P_List_adapter<MDL_request, &MDL_request::next_in_list, &MDL_request::prev_in_list>, I_P_List_counter, I_P_List_no_push_back<MDL_request> >: 
          m_first = 0x7f5e9957b370
        }
        schema_set = {
          m_hash = {
            key_offset = 0, 
            key_length = 0, 
            blength = 2, 
            records = 1, 
            flags = 0, 
            array = {
              buffer = 0x7f5e1c04b7c0 "\377\377\377\377^\177", 
              elements = 1, 
              max_element = 8, 
              alloc_increment = 511, 
              size_of_element = 16
            }, 
            get_key = 0x6ba020 <schema_set_get_key(uchar const*, size_t*, my_bool)>, 
            free = 0x0, 
            charset = 0x14167a0 <my_charset_bin>
          }
        }
        error_handler = {
          <Internal_error_handler> = {
            _vptr.Internal_error_handler = 0x13b1890 <vtable for Dummy_error_handler+16>, 
            m_prev_internal_handler = 0x0
          }, <No data fields>}
        __PRETTY_FUNCTION__ =           "bool lock_table_names(THD*, TABLE_LIST*, TABLE_LIST*, ulong, uint)"
        table = <optimized out>
        global_request = {
          type = MDL_INTENTION_EXCLUSIVE, 
          duration = MDL_STATEMENT, 
          next_in_list = 0x7f5e1c015af8, 
          prev_in_list = 0x7f5e9957b5a8, 
          ticket = 0x7f5e1c017f10, 
          key = {
            m_length = 3, 
            m_db_name_length = 0, 
            m_ptr =               "\000\000\000\000\000\267W\231^\177\000\000\300\263W\231^\177\000\000\370\264\306\000\000\000\000\000\360\264W\231^\177\000\000\370\263W\231^\177\000\000\344b\315\000\000\000\000\000\240XN\001\000\000\000\000,\000\000\000\000\000\000\000\220\264W\231^\177\000\000\\\266W\231^\177\000\000\220\264W\231^\177\000\000\060\264W\231^\177\000\000\277\267\226\000\000\000\000\000Hf\000\034^\177\000\000Fn\230\000\000\000\000\000\060\264W\231^\177\000\000\370\264\306\000\000\000\000\000\000&T\001", '\000' <repeats 12 times>, "\232\256\300\f4\000\000\000\243\322\306\000\000\000\000\000\337\b\000\000\000\000\000\000Hc\000\034m$\000\000\a\000\000\200\v\000\000\000Hp\315\000\000\000\000\000\200\264W\231^\177\000\000?8\343\f\000\000\000\000\220\203~\002\000\000\000\000\\\266W\231^\177\000\000\240XN\001\000\000\000\000,\000\000\000\000\000\000\000root\000test\000table0&\360\316\000\000\000\000\000Fn\230\000\000\000\000\000дW\231^\177\000\000\370\264\306\000\000\000\000\000\000&T\001\000\000\000\000&\360\316\000\000\000\000\000\060\265W\231^\177\000\000\264\302\306\000\000\000\000\000\000&T\001\000\000\000\000P\265W\231^\177\000\000p\001\000\000\v\000\000\000&\360\316", '\000' <repeats 13 times>, "P\265W\231^\177\000\000\210\262\232\002\000\000", 
            static m_namespace_to_wait_state_name =               {[0] = {
                m_key = 102, 
                m_name = 0xccfe5d "Waiting for global read lock", 
                m_flags = 0
              },
              [1] = {
                m_key = 103, 
                m_name = 0xcd0408 "Waiting for schema metadata lock", 
                m_flags = 0
              },
              [2] = {
                m_key = 104, 
                m_name = 0xcd0430 "Waiting for table metadata lock", 
                m_flags = 0
              },
              [3] = {
                m_key = 105, 
                m_name = 0xcd0450 "Waiting for stored function metadata lock", 
                m_flags = 0
              },
              [4] = {
                m_key = 106, 
                m_name = 0xcd0480 "Waiting for stored procedure metadata lock", 
                m_flags = 0
              },
              [5] = {
                m_key = 107, 
                m_name = 0xcd04b0 "Waiting for trigger metadata lock", 
                m_flags = 0
              },
              [6] = {
                m_key = 108, 
                m_name = 0xcd04d8 "Waiting for event metadata lock", 
                m_flags = 0
              },
              [7] = {
                m_key = 109, 
                m_name = 0xccfe7a "Waiting for commit lock", 
                m_flags = 0
              }}
          }
        }
        org_lock_wait_timeout = 31536000
        create_table = <optimized out>
#6  0x00000000006ca2c3 in open_tables (thd=0x29a9820, start=0x7f5e9957b778, counter=0x29abca0, flags=0, prelocking_strategy=0x7f5e9957b7b0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5037
        table = <optimized out>
        some_routine_modifies_data = false
        _db_stack_frame_ = {
          func = 0xcdaac0 "open_normal_and_derived_tables", 
          file = 0xcd9740 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc", 
          level = 2147483655, 
          prev = 0x7f5e9957b780
        }
        xa_state = <optimized out>
        __PRETTY_FUNCTION__ =           "bool open_tables(THD*, TABLE_LIST**, uint*, uint, Prelocking_strategy*)"
        table_to_open = 0x7f5e9957b778
        ot_ctx = {
          m_failed_table = 0x0, 
          m_start_of_statement_svp = {
            m_stmt_ticket = 0x0, 
            m_trans_ticket = 0x0
          }, 
          m_timeout = 31536000, 
          m_flags = 0, 
          m_action = Open_table_context::OT_NO_ACTION, 
          m_has_locks = false, 
          m_has_protection_against_grl = false
        }
        has_prelocking_list = false
        __FUNCTION__ =           "open_tables"
        sroutine_to_open = 0x29abc80
        tables = <optimized out>
        error = false
#7  0x00000000006cb6f9 in open_normal_and_derived_tables (thd=<optimized out>, tables=0x7f5e1c005010, flags=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_base.cc:5768
        prelocking_strategy = {
          <Prelocking_strategy> = {
            _vptr.Prelocking_strategy = 0x13b1a50 <vtable for DML_prelocking_strategy+16>
          }, <No data fields>}
        mdl_savepoint = {
          m_stmt_ticket = 0x0, 
          m_trans_ticket = 0x0
        }
        _db_stack_frame_ = {
          func = 0xcfb799 "mysql_create_view", 
          file = 0xcfb458 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc", 
          level = 2147483654, 
          prev = 0x7f5e9957e310
        }
        __PRETTY_FUNCTION__ =           "bool open_normal_and_derived_tables(THD*, TABLE_LIST*, uint)"
#8  0x00000000007a316c in mysql_create_view (thd=0x29a9820, views=0x7f5e1c005010, mode=VIEW_CREATE_OR_REPLACE) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_view.cc:451
        lex = 0x29abbe8
        view = 0x7f5e1c005010
        sl = <optimized out>
        res = <optimized out>
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e9957efe0
        }
        __PRETTY_FUNCTION__ =           "bool mysql_create_view(THD*, TABLE_LIST*, enum_view_create_mode)"
        tbl = <optimized out>
        __FUNCTION__ =           "mysql_create_view"
        link_to_local = <optimized out>
        tables = 0x7f5e1c005da8
        select_lex = 0x29ac2f8
        unit = 0x29abcb0
#9  0x0000000000721ac6 in mysql_execute_command (thd=0x29a9820) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5008
        res = 0
        lex = 0x29abbe8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e9957f0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 152, 
            has_disabled_I_S = 154, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e9957efd0 "0\360W\231^\177", 
            previous_key =               " \230\232\002\000\000\000\000\360\357W\231^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 239, 
            has_disabled_I_S = 87, 
            empty = 153, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x0, 
            previous_key =               "\000\000\000\000\000\000\000\000\177\250\300\f4\000\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x29abbc8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x29ac2f8
        first_table = 0x7f5e1c005010
        all_tables = 0x7f5e1c005010
        unit = 0x29abcb0
        have_table_map_for_update = false
#10 0x0000000000727818 in mysql_parse (thd=0x29a9820, rawbuf=0x29abbe8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x29abbe8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e9957fbf0
        }
        start_usecs = 1373676108944895
        end_usecs = 0
        start_cpu_nsecs = 414593306
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 944895
        }
        end_time = {
          tv_sec = 43685920, 
          tv_usec = 140042173434960
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 414593306
        }
#11 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x29a9820, packet=0x29ad7b1 "CREATE OR REPLACE VIEW transforms.view_25096_probe AS  SELECT * FROM (INFORMATION_SCHEMA . `XTRADB_READ_VIEW` AS table1 STRAIGHT_JOIN test . `table0_key_pk_parts_2_int_autoinc` AS table2 ON ( table2 . `col_float_unsigned_key_default_null` = table1 . `READ_VIEW_UNDO_NUMBER` ) ) WHERE table2 . `col_float_unsigned_not_null_key` = '2004-06-07 02:28:08.055595'  LIMIT 8", packet_length=366) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e1c004dbe ""
        parser_state = {
          m_lip = {
            m_thd = 0x29a9820, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e9957ef30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e1c004dbf "\004", 
            m_tok_start = 0x7f5e1c004dbf "\004", 
            m_tok_end = 0x7f5e1c004dbf "\004", 
            m_end_of_query = 0x7f5e1c004dbe "", 
            m_tok_start_prev = 0x7f5e1c004dbe "", 
            m_buf = 0x7f5e1c004c50 "CREATE OR REPLACE VIEW transforms.view_25096_probe AS  SELECT * FROM (INFORMATION_SCHEMA . `XTRADB_READ_VIEW` AS table1 STRAIGHT_JOIN test . `table0_key_pk_parts_2_int_autoinc` AS table2 ON ( table2 . `col_float_unsigned_key_default_null` = table1 . `READ_VIEW_UNDO_NUMBER` ) ) WHERE table2 . `col_float_unsigned_not_null_key` = '2004-06-07 02:28:08.055595'  LIMIT 8", 
            m_buf_length = 366, 
            m_echo = true, 
            m_echo_saved = false, 
            m_cpp_buf = 0x7f5e1c004e28 "CREATE OR REPLACE VIEW transforms.view_25096_probe AS  SELECT * FROM (INFORMATION_SCHEMA . `XTRADB_READ_VIEW` AS table1 STRAIGHT_JOIN test . `table0_key_pk_parts_2_int_autoinc` AS table2 ON ( table2 . `col_float_unsigned_key_default_null` = table1 . `READ_VIEW_UNDO_NUMBER` ) ) WHERE table2 . `col_float_unsigned_not_null_key` = '2004-06-07 02:28:08.055595'  LIMIT 8", 
            m_cpp_ptr = 0x7f5e1c004f96 "", 
            m_cpp_tok_start = 0x7f5e1c004f96 "", 
            m_cpp_tok_start_prev = 0x7f5e1c004f96 "", 
            m_cpp_tok_end = 0x7f5e1c004f96 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 63 '?', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = (DISCARD_COMMENT | unknown: 7211116), 
            m_cpp_text_start = 0x7f5e1c004f95 "8", 
            m_cpp_text_end = 0x7f5e1c004f96 "", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x29a9a80
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e9957fce0
        }
#12 0x0000000000729a47 in do_command (thd=0x29a9820) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x29ad7b0 "\003CREATE OR REPLACE VIEW transforms.view_25096_probe AS  SELECT * FROM (INFORMATION_SCHEMA . `XTRADB_READ_VIEW` AS table1 STRAIGHT_JOIN test . `table0_key_pk_parts_2_int_autoinc` AS table2 ON ( table2 . `col_float_unsigned_key_default_null` = table1 . `READ_VIEW_UNDO_NUMBER` ) ) WHERE table2 . `col_float_unsigned_not_null_key` = '2004-06-07 02:28:08.055595'  LIMIT 8"
        packet_length = <optimized out>
        net = 0x29a9a80
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#13 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x29a9820
#14 0x00000000006ed727 in handle_one_connection (arg=0x29a9820) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x29a9820
#15 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29206d0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29206d0
        user_arg = 0x29a9820
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#16 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (LWP 25076):
+bt full
#0  0x000000340cc0c69c in pthread_kill () from /lib64/libpthread.so.0
No symbol table info available.
#1  0x0000000000686bde in handle_fatal_signal (sig=6) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/signal_handler.cc:251
        curr_time = <optimized out>
        thrs = <optimized out>
        mins = <optimized out>
        hrs_buf =           "00"
        hrs = <optimized out>
        mins_buf =           "41"
        secs_buf =           "48"
        tmins = <optimized out>
        secs = <optimized out>
        thd = 0x2979130
#2  <signal handler called>
No symbol table info available.
#3  0x000000340c4328a5 in raise () from /lib64/libc.so.6
No symbol table info available.
#4  0x000000340c434085 in abort () from /lib64/libc.so.6
No symbol table info available.
#5  0x000000340c42ba1e in __assert_fail_base () from /lib64/libc.so.6
No symbol table info available.
#6  0x000000340c42bae0 in __assert_fail () from /lib64/libc.so.6
No symbol table info available.
#7  0x00000000008b11f0 in operator[] (n=<optimized out>, this=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_array.h:63
No locals.
#8  create_distinct_group (thd=0x2979130, ref_pointer_array=..., order_list=<optimized out>, fields=..., all_fields=..., all_order_by_fields_used=0x7f5e8a3c9178) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_optimizer.cc:8868
        ord_iter = <optimized out>
        ord = 0x7f5e30038918
        group = 0x7f5e3002f018
        li = {
          <base_list_iterator> = {
            list = <optimized out>, 
            el = <optimized out>, 
            prev = <optimized out>, 
            current = 0x7f5e30015960
          }, <No data fields>}
        item = 0x7f5e30015820
        orig_ref_pointer_array = {
          m_array = 0x7f5e3002d5f0, 
          m_size = 81
        }
        order = <optimized out>
        prev = 0x7f5e300388d0
#9  0x00000000008c1397 in JOIN::optimize (this=0x7f5e30005518) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_optimizer.cc:652
        tab = 0x7f5e3002e8a8
        all_order_fields_used = <optimized out>
        o = <optimized out>
        _db_stack_frame_ = {
          func = 0xcf0840 "mysql_execute_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483655, 
          prev = 0x7f5e8a3c9220
        }
        __PRETTY_FUNCTION__ =           "int JOIN::optimize()"
        trace_optimize = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 8, 
            has_disabled_I_S = 207, 
            empty = false, 
            stmt = 0xcf0bd8, 
            saved_key = 0xb80000007 <Address 0xb80000007 out of bounds>, 
            previous_key =               "@\222<\212^\177\000\000\000\220<\212^\177\000\000\060\221\227\002\000\000\000", <incomplete sequence \330>
          }, <No data fields>}
        sel = 0x7f5e00000002
        __FUNCTION__ =           "optimize"
        trace = 0x7f5e8a3c8c70
        no_jbuf_after = 4294967295
        tracker = {
          thd = 0x2979130
        }
        first_optimization = 96
        trace_wrapper = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = false, 
            has_disabled_I_S = false, 
            empty = false, 
            stmt = 0x0, 
            saved_key = 0x7f5e8a3c91b0 "\220\222<\212^\177", 
            previous_key =               "\306\064l", '\000' <repeats 13 times>, "@\034\317\000\000\000\000\000\033"
          }, <No data fields>}
        trace_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 146, 
            has_disabled_I_S = 151, 
            empty = 2, 
            stmt = 0x8, 
            saved_key = 0xd6dd91 "mysql_lock_tables", 
            previous_key =               "(\331\326\000\000\000\000\000\t\000\000\200^\177\000\000\220\220<\212^\177\000\000n"
          }, <No data fields>}
#10 0x0000000000749279 in mysql_execute_select (free_join=true, select_lex=0x297bc08, thd=0x2979130) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1087
        err = <optimized out>
        join = 0x7f5e30005518
        _db_stack_frame_ = {
          func = 0xcf0855 "handle_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a3c92e0
        }
#11 mysql_select (thd=0x2979130, tables=0x7f5e30004ed8, wild_num=1, fields=..., conds=0x0, order=<optimized out>, group=0x297bd08, having=0x0, select_options=2147781377, result=0x7f5e300054f0, unit=0x297b5c0, select_lex=0x297bc08) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:1222
        free_join = true
        first_order = 0x0
        __FUNCTION__ =           "mysql_select"
        og_num = <optimized out>
        first_group = 0x0
        _db_stack_frame_ = {
          func = 0xcf0855 "handle_select", 
          file = 0xcf0bd8 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc", 
          level = 2147483654, 
          prev = 0x7f5e8a3c92e0
        }
#12 0x0000000000749dbb in handle_select (thd=0x2979130, result=0x7f5e300054f0, setup_tables_done_option=0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_select.cc:111
        unit = <optimized out>
        res = <optimized out>
        lex = 0x297b4f8
        select_lex = 0x297bc08
        _db_stack_frame_ = {
          func = 0xceaec5 "mysql_execute_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483653, 
          prev = 0x7f5e8a3c9fe0
        }
#13 0x000000000071ecdd in execute_sqlcom_select (thd=0x2979130, all_tables=0x7f5e30004ed8) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:5305
        save_result = 0x7f5e300054f0
        analyse_result = 0x0
        lex = 0x297b4f8
        result = 0x7f5e300054f0
        res = <optimized out>
#14 0x00000000007217b7 in mysql_execute_command (thd=0x2979130) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:2762
        res = <optimized out>
        lex = 0x297b4f8
        _db_stack_frame_ = {
          func = 0xceb0b5 "mysql_parse", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483652, 
          prev = 0x7f5e8a3ca0d0
        }
        __PRETTY_FUNCTION__ =           "int mysql_execute_command(THD*)"
        trace_command = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 145, 
            has_disabled_I_S = 151, 
            empty = 2, 
            stmt = 0x986e46 <my_thread_var_dbug+38>, 
            saved_key = 0x7f5e8a3c9fd0 "0\240<\212^\177", 
            previous_key =               "0\221\227\002\000\000\000\000\360\237<\212^\177\000\000\250\061A\001\000\000\000\000\060"
          }, <No data fields>}
        trace_command_steps = {
          <Opt_trace_struct> = {
            started = false, 
            requires_key = 159, 
            has_disabled_I_S = 60, 
            empty = 138, 
            stmt = 0xc6b4f8 <code_state+56>, 
            saved_key = 0x14131a8 <_dbug_on_> "\001", 
            previous_key =               "\224\255\316\000\000\000\000\000\340\237<\212^\177\000\000\264\302\306\000\000\000\000", <incomplete sequence \361>
          }, <No data fields>}
        up_result = 0
        ots = {
          ctx = 0x297b4d8, 
          error = false
        }
        __FUNCTION__ =           "mysql_execute_command"
        select_lex = 0x297bc08
        first_table = 0x7f5e30004ed8
        all_tables = 0x7f5e30004ed8
        unit = 0x297b5c0
        have_table_map_for_update = false
#15 0x0000000000727818 in mysql_parse (thd=0x2979130, rawbuf=0x297b4f8 "\360R7\001", length=<optimized out>, parser_state=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:6477
        lex = 0x297b4f8
        err = <optimized out>
        found_semicolon = <optimized out>
        qlen = <optimized out>
        _db_stack_frame_ = {
          func = 0xceb0ce "dispatch_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483651, 
          prev = 0x7f5e8a3cabf0
        }
        start_usecs = 1373676108948314
        end_usecs = 0
        start_cpu_nsecs = 269768307
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ =           "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ =           "mysql_parse"
        error = <optimized out>
        start_time_error = 0
        start_time = {
          tv_sec = 1373676108, 
          tv_usec = 948314
        }
        end_time = {
          tv_sec = 43487536, 
          tv_usec = 140042508979280
        }
        tp = {
          tv_sec = 0, 
          tv_nsec = 269768307
        }
#16 0x000000000072871f in dispatch_command (command=COM_QUERY, thd=0x2979130, packet=0x297d0c1 "/* GenTest::Transform::Distinct */ SELECT DISTINCT * FROM f /* TRANSFORM_OUTCOME_DISTINCT */ ", packet_length=93) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1374
        packet_end = 0x7f5e30004cac ""
        parser_state = {
          m_lip = {
            m_thd = 0x2979130, 
            yylineno = 1, 
            yytoklen = 1, 
            yylval = 0x7f5e8a3c9f30, 
            lookahead_token = -1, 
            lookahead_yylval = 0x0, 
            m_ptr = 0x7f5e30004cad "\004", 
            m_tok_start = 0x7f5e30004cad "\004", 
            m_tok_end = 0x7f5e30004cad "\004", 
            m_end_of_query = 0x7f5e30004cac "", 
            m_tok_start_prev = 0x7f5e30004cac "", 
            m_buf = 0x7f5e30004c50 "/* GenTest::Transform::Distinct */ SELECT DISTINCT * FROM f /* TRANSFORM_OUTCOME_DISTINCT */", 
            m_buf_length = 92, 
            m_echo = true, 
            m_echo_saved = true, 
            m_cpp_buf = 0x7f5e30004d18 "/* GenTest::Transform::Distinct */ SELECT DISTINCT * FROM f /* TRANSFORM_OUTCOME_DISTINCT */", 
            m_cpp_ptr = 0x7f5e30004d74 "", 
            m_cpp_tok_start = 0x7f5e30004d74 "", 
            m_cpp_tok_start_prev = 0x7f5e30004d74 "", 
            m_cpp_tok_end = 0x7f5e30004d74 "", 
            m_body_utf8 = 0x0, 
            m_body_utf8_ptr = 0xd78dd7 "init", 
            m_cpp_utf8_processed_ptr = 0x0, 
            next_state = MY_LEX_END, 
            found_semicolon = 0x0, 
            tok_bitmap = 144 '\220', 
            ignore_space = false, 
            stmt_prepare_mode = false, 
            multi_statements = true, 
            in_comment = NO_COMMENT, 
            in_comment_saved = NO_COMMENT, 
            m_cpp_text_start = 0x7f5e30004d52 "f /* TRANSFORM_OUTCOME_DISTINCT */", 
            m_cpp_text_end = 0x7f5e30004d53 " /* TRANSFORM_OUTCOME_DISTINCT */", 
            m_underscore_cs = 0x0, 
            m_digest_psi = 0x0
          }, 
          m_yacc = {
            yacc_yyss = 0x0, 
            yacc_yyvs = 0x0, 
            m_set_signal_info = {
              m_item =                 {[0] = 0x0 <repeats 12 times>}
            }, 
            m_lock_type = TL_READ_DEFAULT, 
            m_mdl_type = MDL_SHARED_READ, 
            m_ha_rkey_mode = HA_READ_KEY_EXACT
          }
        }
        net = 0x2979390
        __FUNCTION__ =           "dispatch_command"
        __PRETTY_FUNCTION__ =           "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        error = false
        _db_stack_frame_ = {
          func = 0xceb163 "do_command", 
          file = 0xceb340 "/bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc", 
          level = 2147483650, 
          prev = 0x7f5e8a3cace0
        }
#17 0x0000000000729a47 in do_command (thd=0x2979130) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_parse.cc:1049
        return_value = <optimized out>
        packet = 0x297d0c0 "\003/* GenTest::Transform::Distinct */ SELECT DISTINCT * FROM f /* TRANSFORM_OUTCOME_DISTINCT */ "
        packet_length = <optimized out>
        net = 0x2979390
        command = COM_QUERY
        __PRETTY_FUNCTION__ =           "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xe1fea5 "?func", 
          file = 0xe1feab "?file", 
          level = 2147483649, 
          prev = 0x0
        }
#18 0x00000000006ed63f in do_handle_one_connection (thd_arg=<optimized out>) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1615
        rc = <optimized out>
        create_user = true
        net = <optimized out>
        thd = 0x2979130
#19 0x00000000006ed727 in handle_one_connection (arg=0x2979130) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/sql/sql_connect.cc:1526
        thd = 0x2979130
#20 0x00000000009dd6c9 in pfs_spawn_thread (arg=0x29262c0) at /bzr/5.6_dbg/Percona-Server-5.6.12-rc60.4/storage/perfschema/pfs.cc:1855
        typed_arg = 0x29262c0
        user_arg = 0x2979130
        pfs = <optimized out>
        user_start_routine = 0x6ed6e0 <handle_one_connection(void*)>
        klass = <optimized out>
#21 0x000000340cc07851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x000000340c4e890d in clone () from /lib64/libc.so.6
No symbol table info available.
(gdb) +set logging off