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MDEV-4269 fix.

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Item_default_value inherited form Item_field so should create temporary table field similary.
This commit is contained in:
unknown 2013-03-18 15:07:52 +02:00
commit 2cd7cf8fe6
3 changed files with 29 additions and 0 deletions
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14
mysql-test/r/func_group_innodb.result
View file

@ -185,3 +185,17 @@ member_id_to COUNT(*)
518491 5
DROP TABLE t1;
# End of test BUG#12713907
#
# MDEV-4269: crash when grouping by values()
#
SELECT @@storage_engine INTO @old_engine;
set storage_engine=innodb;
create table y select 1 b;
select 1 from y group by b;
1
1
select 1 from y group by values(b);
1
1
drop table y;
SET storage_engine=@old_engine;

14
mysql-test/t/func_group_innodb.test
View file

@ -127,3 +127,17 @@ SELECT member_id_to, COUNT(*) FROM t1 WHERE r_date =
DROP TABLE t1;
--echo # End of test BUG#12713907
--echo #
--echo # MDEV-4269: crash when grouping by values()
--echo #
SELECT @@storage_engine INTO @old_engine;
set storage_engine=innodb;
create table y select 1 b;
select 1 from y group by b;
select 1 from y group by values(b);
drop table y;
SET storage_engine=@old_engine;

1
sql/sql_select.cc
View file

@ -9922,6 +9922,7 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
}
case Item::FIELD_ITEM:
case Item::DEFAULT_VALUE_ITEM:
case Item::INSERT_VALUE_ITEM:
{
Item_field *field= (Item_field*) item;
bool orig_modify= modify_item;