Crash in ha_partition::create_handlers on ALTER TABLE after DROP PARTITION and ANALYZE PARTITION

[Elena Stepanova]

#3 0x081ba181 in handle_segfault (sig=11) at /home/elenst/maria-5.5/sql/mysqld.cc:2921
#4 <signal handler called>
#5 0x0885eeaf in ha_partition::create_handlers (this=0xa1ae838, mem_root=0x826695b8)
    at /home/elenst/maria-5.5/sql/ha_partition.cc:2384
#6 0x0885f947 in ha_partition::setup_engine_array (this=0xa1ae838, mem_root=0x826695b8)
    at /home/elenst/maria-5.5/sql/ha_partition.cc:2608
#7 0x0885fa93 in ha_partition::get_from_handler_file (this=0xa1ae838, name=0x82669857 "./test/#sql-1f3b_2",
    mem_root=0x826695b8, is_clone=false) at /home/elenst/maria-5.5/sql/ha_partition.cc:2649
#8 0x0885ade7 in ha_partition::initialize_partition (this=0xa1ae838, mem_root=0x826695b8)
    at /home/elenst/maria-5.5/sql/ha_partition.cc:403
#9 0x0885a5cf in partition_create_handler (hton=0xa085e48, share=0x82669580, mem_root=0x826695b8)
    at /home/elenst/maria-5.5/sql/ha_partition.cc:116
#10 0x083dfc8a in get_new_handler (share=0x82669580, alloc=0x826695b8, db_type=0xa085e48)
    at /home/elenst/maria-5.5/sql/handler.cc:255
#11 0x08308066 in open_binary_frm (thd=0xa0ab428, share=0x82669580, head=0x82668dd4 "\376\001\t\024\003", file=59)
    at /home/elenst/maria-5.5/sql/table.cc:1251
#12 0x08306773 in open_table_def (thd=0xa0ab428, share=0x82669580, db_flags=0) at /home/elenst/maria-5.5/sql/table.cc:713
#13 0x082e3981 in check_if_created_table_can_be_opened (thd=0xa0ab428, path=0x82669857 "./test/#sql-1f3b_2",
    db=0xa156898 "test", table_name=0x8266b0f0 "#sql-1f3b_2", create_info=0x8266b708, file=0xa157078)
    at /home/elenst/maria-5.5/sql/sql_table.cc:3909
#14 0x082e4b08 in mysql_create_table_no_lock (thd=0xa0ab428, db=0xa156898 "test", table_name=0x8266b0f0 "#sql-1f3b_2",
    create_info=0x8266b708, alter_info=0x8266b7a0, internal_tmp_table=true, select_field_count=0, is_trans=0x0)
    at /home/elenst/maria-5.5/sql/sql_table.cc:4430
#15 0x082e95ab in mysql_alter_table (thd=0xa0ab428, new_db=0xa156898 "test", new_name=0xa156470 "t", create_info=0x8266b708,
    table_list=0xa156498, alter_info=0x8266b7a0, order_num=0, order=0x0, ignore=false, require_online=false)
    at /home/elenst/maria-5.5/sql/sql_table.cc:6574
#16 0x08536363 in Alter_table_statement::execute (this=0xa1568c0, thd=0xa0ab428)
    at /home/elenst/maria-5.5/sql/sql_alter.cc:106
#17 0x0825fcc8 in mysql_execute_command (thd=0xa0ab428) at /home/elenst/maria-5.5/sql/sql_parse.cc:4422
#18 0x08262b02 in mysql_parse (thd=0xa0ab428, rawbuf=0xa1563e8 "ALTER TABLE t COMMENT 'altered'", length=31,
    parser_state=0x8266bdb8) at /home/elenst/maria-5.5/sql/sql_parse.cc:5698
#19 0x08256fb5 in dispatch_command (command=COM_QUERY, thd=0xa0ab428, packet=0xa149f39 "ALTER TABLE t COMMENT 'altered'",
    packet_length=31) at /home/elenst/maria-5.5/sql/sql_parse.cc:1049
#20 0x0825647a in do_command (thd=0xa0ab428) at /home/elenst/maria-5.5/sql/sql_parse.cc:788
#21 0x0833dd18 in do_handle_one_connection (thd_arg=0xa0ab428) at /home/elenst/maria-5.5/sql/sql_connect.cc:1225
#22 0x0833d866 in handle_one_connection (arg=0xa0ab428) at /home/elenst/maria-5.5/sql/sql_connect.cc:1140
#23 0x0855b199 in pfs_spawn_thread (arg=0xa1a6d70) at /home/elenst/maria-5.5/storage/perfschema/pfs.cc:1015
#24 0xb770fb25 in start_thread () from /lib/libpthread.so.0
#25 0xb74df34e in clone () from /lib/libc.so.6

bzr version-info
revision-id: <email address hidden>
date: 2012-01-11 13:35:27 +0100
build-date: 2012-01-15 22:16:18 +0400
revno: 3214
branch-nick: maria-5.5

Also reproducible on MySQL 5.5.20 and filed as http://bugs.mysql.com/bug.php?id=64037.
Not reproducible on Maria 5.3, MySQL 5.1.60 , MySQL 5.6.4.

# Test case:

CREATE TABLE IF NOT EXISTS t ( a INT )
  PARTITION BY RANGE ( a ) (
      PARTITION p0 VALUES LESS THAN ( 0 ),
      PARTITION p1 VALUES LESS THAN MAXVALUE ) ;

ALTER TABLE t DROP PARTITION p1;
ALTER TABLE t ANALYZE PARTITION p0, p1;

ALTER TABLE t COMMENT 'altered';

[Elena Stepanova (elenst)]

Also filed as JIRA issue MDEV-110