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nexedi
MariaDB
Commits
8f4a3373
Commit
8f4a3373
authored
Jun 08, 2010
by
Kristofer Pettersson
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automerge
parents
5a570b0f
39065d51
Changes
3
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3 changed files
with
31 additions
and
2 deletions
+31
-2
mysql-test/r/func_isnull.result
mysql-test/r/func_isnull.result
+14
-0
mysql-test/t/func_isnull.test
mysql-test/t/func_isnull.test
+15
-0
sql/item_cmpfunc.h
sql/item_cmpfunc.h
+2
-2
No files found.
mysql-test/r/func_isnull.result
View file @
8f4a3373
...
@@ -5,3 +5,17 @@ flush tables;
...
@@ -5,3 +5,17 @@ flush tables;
select * from t1 where isnull(to_days(mydate));
select * from t1 where isnull(to_days(mydate));
id mydate
id mydate
drop table t1;
drop table t1;
#
# Bug#53933 crash when using uncacheable subquery in the having clause of outer query
#
CREATE TABLE t1 (f1 INT);
INSERT INTO t1 VALUES (0),(0);
SELECT ISNULL((SELECT GET_LOCK('Bug#53933', 0) FROM t1 GROUP BY f1)) AS f2
FROM t1 GROUP BY f1 HAVING f2 = f2;
f2
0
SELECT RELEASE_LOCK('Bug#53933');
RELEASE_LOCK('Bug#53933')
1
DROP TABLE t1;
End of 5.0 tests
mysql-test/t/func_isnull.test
View file @
8f4a3373
...
@@ -13,3 +13,18 @@ select * from t1 where isnull(to_days(mydate));
...
@@ -13,3 +13,18 @@ select * from t1 where isnull(to_days(mydate));
drop
table
t1
;
drop
table
t1
;
# End of 4.1 tests
# End of 4.1 tests
--
echo
#
--
echo
# Bug#53933 crash when using uncacheable subquery in the having clause of outer query
--
echo
#
CREATE
TABLE
t1
(
f1
INT
);
INSERT
INTO
t1
VALUES
(
0
),(
0
);
SELECT
ISNULL
((
SELECT
GET_LOCK
(
'Bug#53933'
,
0
)
FROM
t1
GROUP
BY
f1
))
AS
f2
FROM
t1
GROUP
BY
f1
HAVING
f2
=
f2
;
SELECT
RELEASE_LOCK
(
'Bug#53933'
);
DROP
TABLE
t1
;
--
echo
End
of
5.0
tests
sql/item_cmpfunc.h
View file @
8f4a3373
...
@@ -1313,8 +1313,8 @@ class Item_func_isnull :public Item_bool_func
...
@@ -1313,8 +1313,8 @@ class Item_func_isnull :public Item_bool_func
else
else
{
{
args
[
0
]
->
update_used_tables
();
args
[
0
]
->
update_used_tables
();
if
((
const_item_cache
=
!
(
used_tables_cache
=
args
[
0
]
->
used_tables
())
)
&&
if
((
const_item_cache
=
!
(
used_tables_cache
=
args
[
0
]
->
used_tables
())
&&
!
with_subselect
)
!
with_subselect
)
)
{
{
/* Remember if the value is always NULL or never NULL */
/* Remember if the value is always NULL or never NULL */
cached_value
=
(
longlong
)
args
[
0
]
->
is_null
();
cached_value
=
(
longlong
)
args
[
0
]
->
is_null
();
...
...
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