1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/t/fulltext.test b/mysql-test/t/fulltext.test
index 2eb4634e15c..fc7b15c052d 100644
--- a/mysql-test/t/fulltext.test
+++ b/mysql-test/t/fulltext.test
@@ -700,3 +700,18 @@ drop table t1;
 --echo #
 --echo # End of 5.5 tests
 --echo #
+
+#
+# MDEV-318 IF (NOT) EXIST clauses for ALTER TABLE (MWL #252).
+#
+
+CREATE TABLE t1 (
+  id int(11)  auto_increment,
+  title varchar(100)  default '',
+  PRIMARY KEY  (id),
+  KEY ind5 (title)
+) ENGINE=MyISAM;
+
+CREATE FULLTEXT INDEX IF NOT EXISTS ft1 ON t1(title);
+CREATE FULLTEXT INDEX IF NOT EXISTS ft1 ON t1(title);
+DROP TABLE t1;