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SQL: WHERE cond freed prematurely for PS [#365 bug 10]

Browse Source 
Applicable to vanilla version.
Applies to Item_cond_and, etc.: items with allocating copy_andor_structure().

Tests affected (forced mode):

main.subselect_sj
main.subselect_sj_jcl6
This commit is contained in:
Aleksey Midenkov
2017-12-05 12:21:25 +03:00
parent 3d88a72f76
commit 6ac773421f
3 changed files with 25 additions and 2 deletions
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15
mysql-test/suite/versioning/r/select.result
View File

@ -302,9 +302,21 @@ a
create or replace table t1 (x int) with system versioning;
select t1.x in (select x from t1) a from t1, (select x from t1) b;
a
### Issue #365, bug 10 (WHERE cond freed prematurely for PS)
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
create or replace view v1 as select x from t1 where x = 1;
prepare stmt from "
select x from t1 where x in (select x from v1);";
execute stmt;
x
1
execute stmt;
x
1
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(28);
call innodb_verify_vtq(29);
No A B C D
1 1 1 1 1
2 1 1 1 1
@ -334,3 +346,4 @@ No A B C D
26 1 1 1 1
27 1 1 1 1
28 1 1 1 1
29 1 1 1 1

11
mysql-test/suite/versioning/t/select.test
View File

@ -199,9 +199,18 @@ where exists (select 1 from t2 where t2.b = t1.a and t2.b = t1.a);
create or replace table t1 (x int) with system versioning;
select t1.x in (select x from t1) a from t1, (select x from t1) b;
--echo ### Issue #365, bug 10 (WHERE cond freed prematurely for PS)
create or replace table t1 (x int) with system versioning;
insert into t1 values (1);
create or replace view v1 as select x from t1 where x = 1;
prepare stmt from "
select x from t1 where x in (select x from v1);";
execute stmt;
execute stmt;
drop view v1;
drop table t1, t2;
call innodb_verify_vtq(28);
call innodb_verify_vtq(29);
-- source suite/versioning/common_finish.inc

1
sql/sql_lex.cc
View File

@ -3775,6 +3775,7 @@ void st_select_lex::fix_prepare_information(THD *thd, Item **conds,
DBUG_ENTER("st_select_lex::fix_prepare_information");
if (!thd->stmt_arena->is_conventional() && first_execution)
{
Query_arena_stmt on_stmt_arena(thd);
first_execution= 0;
if (group_list.first)
{