初版

build/lib/mysql/mysql-test/t/func_isnull.test

@@ -0,0 +1,30 @@
+#
+# test of ISNULL()
+#
+
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+
+create table t1 (id int auto_increment primary key not null, mydate date not null);
+insert into t1 values (0,"2002-05-01"),(0,"2002-05-01"),(0,"2002-05-01");
+flush tables;
+select * from t1 where isnull(to_days(mydate));
+drop table t1;
+
+# 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