Merge mysql.com:/home/gluh/MySQL/Merge/5.1

into  mysql.com:/home/gluh/MySQL/Merge/5.1-opt

1 files changed, 22 insertions, 0 deletions

diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test
index 090d1cbf244..e49297dd06c 100644
--- a/mysql-test/t/merge.test
+++ b/mysql-test/t/merge.test
@@ -578,6 +578,28 @@ CREATE TABLE t2 (c1 INT) ENGINE=MERGE UNION=(t1) INSERT_METHOD=FIRST;
 CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
 DROP TABLE t1, t2;
 
+#
+# Bug #28837: MyISAM storage engine error (134) doing delete with self-join
+#
+
+CREATE TABLE t1 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MyISAM;
+CREATE TABLE t2 LIKE t1;
+
+INSERT INTO t2 (id, ref) VALUES (1,3), (2,1), (3,2), (4,5), (4,4);
+INSERT INTO t1 SELECT * FROM t2;
+INSERT INTO t1 SELECT * FROM t2;
+
+CREATE TABLE t3 (id INT NOT NULL, ref INT NOT NULL, INDEX (id)) ENGINE=MERGE
+                                                                UNION(t1);
+
+SELECT * FROM t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
+SELECT * FROM t3;
+DELETE FROM a USING t3 AS a INNER JOIN t3 AS b USING (id) WHERE a.ref < b.ref;
+SELECT * FROM t3;
+
+DROP TABLE t1, t2, t3;
+
+
 --echo End of 5.0 tests
 
 #