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-rw-r--r--mysql-test/main/timezone2.test17
1 files changed, 17 insertions, 0 deletions
diff --git a/mysql-test/main/timezone2.test b/mysql-test/main/timezone2.test
index 9d364224311..6a8c9f258e4 100644
--- a/mysql-test/main/timezone2.test
+++ b/mysql-test/main/timezone2.test
@@ -521,6 +521,23 @@ SELECT * FROM t1 WHERE a = (SELECT MIN(b) FROM t1);
SELECT * FROM t1 WHERE a IN ((SELECT MAX(b) FROM t1), (SELECT MIN(b) FROM t1));
DROP TABLE t1;
+# NULLIF
+
+SET time_zone='Europe/Moscow';
+
+CREATE TABLE t1 (a TIMESTAMP);
+CREATE TABLE t2 (a TIMESTAMP);
+SET timestamp=1288479599 /*summer time in Mowcow*/;
+INSERT INTO t1 VALUES (CURRENT_TIMESTAMP);
+SET timestamp=1288479599+3600 /*winter time in Mowcow*/;
+INSERT INTO t2 VALUES (CURRENT_TIMESTAMP);
+SELECT t1.a, UNIX_TIMESTAMP(t1.a), t2.a, UNIX_TIMESTAMP(t2.a) FROM t1, t2;
+SELECT NULLIF(t1.a, t2.a) FROM t1,t2;
+DROP TABLE t1, t2;
+SET time_zone=DEFAULT;
+SET timestamp=DEFAULT;
+
+
--echo #
--echo # MDEV-17979 Assertion `0' failed in Item::val_native upon SELECT with timestamp, NULLIF, GROUP BY
--echo #