#4  <signal handler called>
#5  0x0854c0cc in _mi_put_key_in_record (info=0x94be0b8, keynr=0, unpack_blobs=0 '\000', 
    record=0x0) at mi_key.c:410
#6  0x0854c3ee in mi_check_index_cond (info=0x94be0b8, keynr=0, record=0x0) at mi_key.c:517
#7  0x0855293b in mi_rkey (info=0x94be0b8, buf=0x0, inx=0, key=0x945f078 "\001", keypart_map=1, 
    search_flag=HA_READ_KEY_EXACT) at mi_rkey.c:121
#8  0x0851b764 in ha_myisam::index_read_map (this=0x947e8c8, buf=0x947edc0 "\374\006", 
    key=0x945f078 "\001", keypart_map=1, find_flag=HA_READ_KEY_EXACT) at ha_myisam.cc:1813
#9  0x081eccd6 in handler::ha_index_read_map (this=0x947e8c8, buf=0x947edc0 "\374\006", 
    key=0x945f078 "\001", keypart_map=1, find_flag=HA_READ_KEY_EXACT) at sql_class.h:3654
#10 0x08376994 in join_read_always_key (tab=0x94b7f58) at sql_select.cc:16058
#11 0x083751b3 in sub_select (join=0x94738f8, join_tab=0x94b7f58, end_of_records=false)
    at sql_select.cc:15373
#12 0x083758a2 in evaluate_join_record (join=0x94738f8, join_tab=0x94b7d50, error=0)
    at sql_select.cc:15573
#13 0x08375350 in sub_select (join=0x94738f8, join_tab=0x94b7d50, end_of_records=false)
    at sql_select.cc:15416
#14 0x08374a5b in do_select (join=0x94738f8, fields=0x93f05b4, table=0x0, procedure=0x0)
    at sql_select.cc:15037
#15 0x08358c65 in JOIN::exec (this=0x94738f8) at sql_select.cc:2710
#16 0x08359495 in mysql_select (thd=0x93eead0, rref_pointer_array=0x93f065c, tables=0x945d428, 
    wild_num=1, fields=..., conds=0x945df48, og_num=0, order=0x0, group=0x0, having=0x0, 
    proc_param=0x0, select_options=2147764736, result=0x945e0b0, unit=0x93f0240, 
    select_lex=0x93f0520) at sql_select.cc:2931
#17 0x083511af in handle_select (thd=0x93eead0, lex=0x93f01e4, result=0x945e0b0, 
    setup_tables_done_option=0) at sql_select.cc:284
#18 0x082ec3b9 in execute_sqlcom_select (thd=0x93eead0, all_tables=0x945d428) at sql_parse.cc:5151
#19 0x082e3795 in mysql_execute_command (thd=0x93eead0) at sql_parse.cc:2284
#20 0x082ee9f4 in mysql_parse (thd=0x93eead0, 
    rawbuf=0x945d240 "SELECT * FROM t1 AS alias1 STRAIGHT_JOIN t1 AS alias2\nON alias2.c = alias1.c\nWHERE alias2.b >= 9", length=96, found_semicolon=0xae888234) at sql_parse.cc:6152
#21 0x082e13d5 in dispatch_command (command=COM_QUERY, thd=0x93eead0, packet=0x9447941 "", 
    packet_length=96) at sql_parse.cc:1228
#22 0x082e087f in do_command (thd=0x93eead0) at sql_parse.cc:923
#23 0x082dd805 in handle_one_connection (arg=0x93eead0) at sql_connect.cc:1193
#24 0xb769db25 in start_thread () from /lib/libpthread.so.0

bzr version-info
revision-id: <email address hidden>
date: 2012-02-14 16:52:56 +0200
build-date: 2012-02-16 15:57:13 +0400
revno: 3421

Also reproducible on MariaDB 5.5.

EXPLAIN:

id      select_type     table   type    possible_keys   key     key_len ref     rows    filtered        Extra
1       SIMPLE  alias1  ALL     c       NULL    NULL    NULL    157     100.00
1       SIMPLE  alias2  ref     c       c       3       test.alias1.c   6       100.00  Using index condition
Warnings:
Note    1003    select `test`.`alias1`.`b` AS `b`,`test`.`alias1`.`c` AS `c`,`test`.`alias1`.`d` AS `d`,`test`.`alias2`.`b` AS `b`,`test`.`alias2`.`c` AS `c`,`test`.`alias2`.`d` AS `d` from `test`.`t1` `alias1` straight_join `test`.`t1` `alias2` where ((`test`.`alias2`.`c` = `test`.`alias1`.`c`) and (`test`.`alias2`.`b` >= 9))

Minimal optimizer_switch: index_condition_pushdown=on
Full optimizer_switch (current default): index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on

Test case:

# Please note that there is a race condition involved, so the test case attempts to run and kill the query several times. The number of attempts is set in $run variable.

SET optimizer_switch='index_condition_pushdown=on';

CREATE TABLE t1 ( 
  b INT,
  c VARCHAR(1) NOT NULL,
  d DATETIME,
  KEY (c, b)
) ENGINE=MyISAM;
INSERT INTO t1 ( b, d, c ) VALUES 
  (4, '2005-01-08 00:00:00', 'f'),
  (1, '2004-05-20 10:45:51.065447', 'c'),
  (2, '2006-08-11 21:33:49.059205', 'e'),
  (5, '2003-05-19 00:20:40.061660', 'a'),
  (3, '2005-01-03 06:18:39.063400', 'a'),
  (7, '2008-11-25 18:18:14.036481', 'b'),
  (6, '2008-11-09 15:53:46.029253', 'b'),
  (9, '2003-03-01 03:40:36.045473', 'c'),
  (8, '2003-09-25 23:14:09.038132', 'd'),
  (0, '2007-01-17 09:18:31.047546', 'f'),
  (9, '2008-09-08 09:52:24.004880', 'c'),
  (2, '2008-03-10 00:00:00', 'a'),
  (0, '2003-03-14 09:31:07.037148', 'c'),
  (4, '2005-04-25 00:00:00', 'h'),
  (6, '2001-08-01 05:55:55.003908', 'e'),
  (3, '2005-04-09 01:22:48.017187', 'f'),
  (7, '2009-11-12 13:27:22.049889', 'r'),
  (0, '2009-03-28 05:05:28.033218', 'h'),
  (15, '2005-05-16 04:35:41.059360', 'f'),
  (7, '2006-03-26 05:19:58.017743', 'c'),
  (9, '2002-10-06 02:17:00.059500', 'g'),
  (4, '2007-01-28 03:28:20.030089', 'b'),
  (1, '2009-04-22 10:16:40.046027', 'c'),
  (2, '2003-01-01 19:39:00.034199', 'f'),
  (0, '2008-05-03 19:16:29.012109', 't'),
  (2, '2005-01-28 00:00:00', 'j'),
  (8, '2004-01-10 00:00:00', 'w'),
  (8, '2000-06-13 21:56:37.014934', 'a'),
  (5, '2001-03-21 19:24:49.052308', 'o'),
  (99, '2003-12-20 21:29:06.056804', 'f'),
  (0, '1900-01-01 00:00:00', 'w'),
  (7, '2000-12-19 00:00:00', 'c'),
  (0, '2000-03-03 06:10:19.056844', 'l'),
  (3, '2000-08-11 00:00:00', 'q'),
  (0, '2007-05-25 03:46:41.000693', 'e'),
  (241, '2005-05-17 00:00:00', 'j'),
  (4, '2005-11-02 00:44:06.031912', 'r'),
  (43, '2001-07-11 00:00:00', 'a'),
  (1, '2008-12-01 18:30:27.009578', 'z'),
  (4, '2004-10-25 00:00:00', 'i'),
  (5, '2000-04-08 12:12:01.015452', 'c'),
  (0, '1900-01-01 00:00:00', 'f'),
  (9, '2002-05-13 22:47:02.040790', 'p'),
  (1, '2008-10-09 15:39:40.044022', 'd'),
  (3, '2004-06-24 00:00:00', 'd'),
  (0, '2008-03-06 00:00:00', 'r'),
  (9, '2007-04-16 18:40:03.052734', 'i'),
  (3, '2008-03-16 19:49:37.006070', 't'),
  (7, '2003-07-15 08:11:21.009876', 'd'),
  (8, '2005-02-11 00:04:53.013923', 'r'),
  (0, '2002-09-21 00:00:00', 'y'),
  (3, '2004-11-03 00:37:21.045715', 'z'),
  (6, '2007-10-18 00:00:00', 'e'),
  (6, '2007-01-21 10:42:56.047876', 'o'),
  (5, '2000-03-26 21:21:04.001897', 'b'),
  (9, '2001-03-15 08:08:21.040044', 'e'),
  (1, '2001-10-16 12:56:59.029723', 'a'),
  (6, '2004-05-01 23:45:55.037960', 'o'),
  (4, '2000-03-04 00:00:00', 'f'),
  (9, '2002-12-03 16:48:28.043967', 'e'),
  (8, '2003-01-09 00:36:07.057942', 'm'),
  (1, '2006-06-22 04:32:41.002683', 's'),
  (8, '2008-09-20 05:01:48.047634', 'q'),
  (4, '2006-06-02 22:15:31.043127', 'g'),
  (2, '2002-05-14 07:07:42.048085', 'e'),
  (7, '2005-06-05 01:30:42.037476', 'r'),
  (127, '2004-05-11 01:56:48.056589', 'a'),
  (210, '2003-11-05 00:41:34.013053', 'z'),
  (5, '1900-01-01 00:00:00', 'h'),
  (1, '2006-04-16 00:00:00', 'f'),
  (7, '2000-12-17 00:00:00', 'x'),
  (8, '2009-05-09 20:43:07.000011', 'b'),
  (175, '2008-11-26 16:33:09.008489', 'p'),
  (0, '2002-05-09 21:18:44.060098', 'v'),
  (8, '2002-06-01 11:32:25.064033', 'k'),
  (1, '2008-11-09 23:56:00.059383', 'a'),
  (0, '2008-01-08 10:18:46.024546', 'c'),
  (2, '2005-04-16 00:00:00', 'o'),
  (5, '2002-08-25 00:00:00', 'b'),
  (64, '2005-12-05 21:51:52.016725', 'b'),
  (4, '2005-08-10 00:00:00', 'i'),
  (6, '2006-03-23 00:00:00', 'd'),
  (9, '2007-01-27 00:00:00', 'i'),
  (8, '2008-08-16 00:00:00', 'a'),
  (7, '2003-01-16 12:13:18.048582', 'k'),
  (150, '2003-06-22 00:00:00', 'v'),
  (5, '2008-06-20 05:43:56.009173', 'u'),
  (8, '2004-09-23 18:57:17.054617', 'e'),
  (1, '2000-12-26 00:00:00', 'y'),
  (4, '2009-06-01 13:00:28.060704', 'e'),
  (1, '2009-11-18 06:28:48.014410', 'm'),
  (0, '2004-06-12 10:01:10.017852', 'e'),
  (2, '2005-10-16 01:48:55.009620', 'e'),
  (15, '2001-12-23 09:50:21.021576', 'l'),
  (6, '1900-01-01 00:00:00', 'a'),
  (241, '2001-10-28 00:00:00', 'd'),
  (1, '2008-07-12 23:30:19.013478', 's'),
  (0, '2002-10-11 16:51:16.047485', 'r'),
  (4, '2007-09-18 06:27:10.035137', 'x'),
  (1, '2007-02-21 12:28:14.040887', 'e'),
  (6, '2001-09-16 00:00:00', 'f'),
  (0, '2007-09-20 02:25:45.002494', 'c'),
  (210, '2006-08-07 03:25:56.038627', 'j'),
  (8, '2006-12-04 20:20:32.038171', 't'),
  (167, '2007-09-05 10:13:10.046896', 'i'),
  (9, '2006-04-12 17:59:57.047864', 't'),
  (2, '2009-04-28 00:06:09.000285', 'b'),
  (178, '2000-01-07 00:00:00', 'b'),
  (37, '2000-03-25 10:04:41.027960', 'k'),
  (4, '2000-07-10 00:44:55.005190', 'w'),
  (9, '2007-09-22 14:26:26.007357', 'j'),
  (99, '2003-09-11 22:41:17.064564', 'a'),
  (0, '2004-06-07 13:52:32.026952', 'c'),
  (8, '2008-10-09 00:00:00', 'p'),
  (1, '2007-04-01 00:00:00', 'c'),
  (9, '2000-12-05 00:00:00', 'i'),
  (3, '1900-01-01 00:00:00', 'a'),
  (3, '2005-12-24 21:50:54.015885', 'e'),
  (8, '2009-07-21 19:34:55.014474', 'n'),
  (9, '2005-11-13 17:57:56.017731', 'd'),
  (7, '2004-10-07 06:41:39.035636', 'l'),
  (1, '2004-11-20 08:05:08.021611', 'u'),
  (3, '2005-05-25 00:00:00', 'r'),
  (231, '2006-09-02 14:16:41.051454', 'u'),
  (8, '2006-01-07 00:00:00', 'a'),
  (9, '2003-04-05 00:54:20.017142', 'w'),
  (2, '2003-12-22 00:00:00', 'a'),
  (9, '2006-04-16 17:31:40.019191', 'e'),
  (6, '2005-02-10 14:22:46.023220', 'e'),
  (7, '2004-04-27 05:54:52.018319', 'p'),
  (1, '2005-12-07 00:00:00', 't'),
  (5, '2004-04-03 20:56:28.035855', 'd'),
  (4, '2000-09-07 05:17:16.040468', 'h'),
  (2, '2004-08-04 16:10:42.019134', 'i'),
  (1, '2007-03-04 00:00:00', 'b'),
  (9, '1900-01-01 00:00:00', 'd'),
  (1, '2000-05-12 23:02:50.002192', 'm'),
  (2, '1900-01-01 00:00:00', 'l'),
  (1, '1900-01-01 00:00:00', 'k'),
  (124, '2000-07-14 01:25:18.013265', 'd'),
  (5, '2009-08-21 00:00:00', 'w'),
  (6, '2009-05-25 13:33:54.017124', 'f'),
  (7, '2006-06-13 00:00:00', 'e'),
  (8, '1900-01-01 00:00:00', 'a'),
  (6, '2004-02-24 00:00:00', 'j'),
  (0, '2003-05-21 07:03:46.016686', 'k'),
  (9, '1900-01-01 00:00:00', 'e'),
  (2, '1900-01-01 00:00:00', 'y'),
  (2, '2000-12-22 00:00:00', 'e'),
  (3, '2003-09-26 00:00:00', 'f'),
  (2, '2001-01-13 08:20:19.062981', 'h'),
  (9, '2008-09-23 20:03:28.064663', 'n'),
  (5, '2007-03-20 02:41:38.038240', 's'),
  (1, '2009-02-14 10:27:18.033599', 'a'),
  (0, '2001-08-10 17:44:05.023956', 's'),
  (3, '2008-01-20 12:49:54.047978', 'v'),
  (1, '2001-05-05 09:09:59.057726', 'r');
CREATE TABLE t2 ( a INT ) ENGINE=MyISAM;
INSERT INTO t2 VALUES 
  (7),(3),(7),(3);

--let $run = 100
--let $con_id = `SELECT CONNECTION_ID()`

while ($run)
{
  --send 
    SELECT * FROM t1 AS alias1 STRAIGHT_JOIN t1 AS alias2
        ON alias2.c = alias1.c
        WHERE alias2.b >= 9;

  --connect (con1,127.0.0.1,root,,test)
  --eval KILL QUERY $con_id
  --disconnect con1

  --dec $run

  --connection default
  --error ER_QUERY_INTERRUPTED
  --reap
}

# End of test case