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-rw-r--r--mysql-test/t/view.test14
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index 0fa5765bb64..7fdca1ff7e0 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -3024,4 +3024,18 @@ SELECT * FROM t2;
DROP VIEW v1;
DROP TABLE t1,t2;
+#
+# Bug#12122: Views with ORDER BY can't be resolved using MERGE algorithm.
+#
+create table t1(f1 int, f2 int);
+insert into t1 values(1,2),(1,3),(1,1),(2,3),(2,1),(2,2);
+select * from t1;
+create view v1 as select * from t1 order by f2;
+select * from v1;
+explain extended select * from v1;
+select * from v1 order by f1;
+explain extended select * from v1 order by f1;
+drop view v1;
+drop table t1;
+
--echo End of 5.0 tests.