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-rw-r--r--mysql-test/t/func_str.test6
1 files changed, 6 insertions, 0 deletions
diff --git a/mysql-test/t/func_str.test b/mysql-test/t/func_str.test
index 535af6907ad..fd2d0b98a47 100644
--- a/mysql-test/t/func_str.test
+++ b/mysql-test/t/func_str.test
@@ -1115,4 +1115,10 @@ select repeat('a', cast(2 as unsigned int));
select rpad('abc', cast(5 as unsigned integer), 'x');
select lpad('abc', cast(5 as unsigned integer), 'x');
+#
+# Bug #26537: UNHEX() IS NULL comparison fails
+#
+SELECT UNHEX('G');
+SELECT UNHEX('G') IS NULL;
+
--echo End of 5.0 tests