Details
Description
The following test case causes a crash of the server:
create table t1 (a int) engine=myisam; |
insert into t1 values (3), (7), (1); |
select a from t1 where a in (values (7) union values (8)); |
"mysqld" received signal SIGSEGV, Segmentation fault.
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0x0000555555d7a212 in st_select_lex_unit::optimize (this=0x7fff90013f80) at /home/igor/maria-git/10.3-mdev-22786/sql/sql_union.cc:1430:
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1428 sl->join->select_options=
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1429 (select_limit_cnt == HA_POS_ERROR || sl->braces) ?
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1430 sl->options & ~OPTION_FOUND_ROWS : sl->options |
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