5.0-bugteam->5.1-bugteam merge
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commit
39065d5105
@ -5,3 +5,17 @@ flush tables;
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select * from t1 where isnull(to_days(mydate));
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select * from t1 where isnull(to_days(mydate));
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id mydate
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id mydate
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drop table t1;
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drop table t1;
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#
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# Bug#53933 crash when using uncacheable subquery in the having clause of outer query
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#
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CREATE TABLE t1 (f1 INT);
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INSERT INTO t1 VALUES (0),(0);
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SELECT ISNULL((SELECT GET_LOCK('Bug#53933', 0) FROM t1 GROUP BY f1)) AS f2
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FROM t1 GROUP BY f1 HAVING f2 = f2;
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f2
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0
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SELECT RELEASE_LOCK('Bug#53933');
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RELEASE_LOCK('Bug#53933')
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1
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DROP TABLE t1;
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End of 5.0 tests
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@ -13,3 +13,18 @@ select * from t1 where isnull(to_days(mydate));
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drop table t1;
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drop table t1;
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# End of 4.1 tests
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# End of 4.1 tests
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--echo #
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--echo # Bug#53933 crash when using uncacheable subquery in the having clause of outer query
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--echo #
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CREATE TABLE t1 (f1 INT);
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INSERT INTO t1 VALUES (0),(0);
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SELECT ISNULL((SELECT GET_LOCK('Bug#53933', 0) FROM t1 GROUP BY f1)) AS f2
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FROM t1 GROUP BY f1 HAVING f2 = f2;
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SELECT RELEASE_LOCK('Bug#53933');
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DROP TABLE t1;
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--echo End of 5.0 tests
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@ -1313,8 +1313,8 @@ public:
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else
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else
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{
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{
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args[0]->update_used_tables();
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args[0]->update_used_tables();
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if ((const_item_cache= !(used_tables_cache= args[0]->used_tables())) &&
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if ((const_item_cache= !(used_tables_cache= args[0]->used_tables()) &&
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!with_subselect)
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!with_subselect))
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{
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{
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/* Remember if the value is always NULL or never NULL */
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/* Remember if the value is always NULL or never NULL */
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cached_value= (longlong) args[0]->is_null();
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cached_value= (longlong) args[0]->is_null();
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