Server crashes in select_describe on EXPLAIN with materialization+semijoin, 2 nested subqueries, aggregate functions

#3  <signal handler called>

#4  0x000000000067097e in select_describe (join=0x3acd4b8, need_tmp_table=false, need_order=false, distinct=false, message=0x0) at sql/sql_select.cc:21369

#5  0x0000000000641e5b in JOIN::exec (this=0x3acd4b8) at sql/sql_select.cc:2336

#6  0x0000000000644581 in mysql_select (thd=0x39ab110, rref_pointer_array=0x3aef0a0, tables=0x3aefb18, wild_num=0, fields=..., conds=0x3ad3e08, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748612, result=0x3acc458, unit=0x3aef190, select_lex=0x3aeee48) at sql/sql_select.cc:3044

#7  0x0000000000672e7c in mysql_explain_union (thd=0x39ab110, unit=0x3aef190, result=0x3acc458) at sql/sql_select.cc:21914

#8  0x0000000000672b93 in select_describe (join=0x3accd38, need_tmp_table=false, need_order=false, distinct=false, message=0x0) at sql/sql_select.cc:21871

#9  0x0000000000641e5b in JOIN::exec (this=0x3accd38) at sql/sql_select.cc:2336

#10 0x0000000000644581 in mysql_select (thd=0x39ab110, rref_pointer_array=0x39addc8, tables=0x3aee760, wild_num=1, fields=..., conds=0x3acc2a8, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147748612, result=0x3acc458, unit=0x39ad498, select_lex=0x39adb70) at sql/sql_select.cc:3044

#11 0x0000000000672e7c in mysql_explain_union (thd=0x39ab110, unit=0x39ad498, result=0x3acc458) at sql/sql_select.cc:21914

#12 0x0000000000614255 in execute_sqlcom_select (thd=0x39ab110, all_tables=0x3aee760) at sql/sql_parse.cc:4592

#13 0x000000000060cf7e in mysql_execute_command (thd=0x39ab110) at sql/sql_parse.cc:2189

#14 0x0000000000616ca1 in mysql_parse (thd=0x39ab110, rawbuf=0x3aee4c8 "EXPLAIN \nSELECT * FROM t1 WHERE a = ( \nSELECT MAX(b) FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) \n) OR a = 10", length=110, parser_state=0x7f3e9988b500) at sql/sql_parse.cc:5736

#15 0x000000000060a517 in dispatch_command (command=COM_QUERY, thd=0x39ab110, packet=0x3aa6141 "", packet_length=110) at sql/sql_parse.cc:1055

#16 0x00000000006097ce in do_command (thd=0x39ab110) at sql/sql_parse.cc:794

#17 0x000000000070ac27 in do_handle_one_connection (thd_arg=0x39ab110) at sql/sql_connect.cc:1253

#18 0x000000000070a612 in handle_one_connection (arg=0x39ab110) at sql/sql_connect.cc:1168

#19 0x0000000000c015ef in pfs_spawn_thread (arg=0x3b2ea30) at storage/perfschema/pfs.cc:1015

#20 0x00007f3ea4ee8efc in start_thread (arg=0x7f3e9988c700) at pthread_create.c:304

#21 0x00007f3ea425b59d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112

revision-id: psergey@askmonty.org-20120725164148-cylxnymo9d37kae7

date: 2012-07-25 20:41:48 +0400

build-date: 2012-08-03 23:38:22 +0400

revno: 3473

branch-nick: maria-5.5

index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=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,extended_keys=off

SET optimizer_switch = 'materialization=on,semijoin=on';

CREATE TABLE t1 (a INT, KEY(a)) ENGINE=MyISAM;

INSERT INTO t1 VALUES (8),(0);

CREATE TABLE t2 (b INT, c VARCHAR(1)) ENGINE=MyISAM;

INSERT INTO t2 VALUES (4,'j'),(6,'v'); 

CREATE TABLE t3 (d VARCHAR(1)) ENGINE=MyISAM;		

INSERT INTO t3 VALUES ('b'),('c');

EXPLAIN 

SELECT * FROM t1 WHERE a = ( 

  SELECT MAX(b) FROM t2 WHERE c IN ( SELECT MAX(d) FROM t3 ) 

) OR a = 10;