diff --git a/db/testjoint.sql b/db/testjoint.sql
new file mode 100644
index 0000000000..d61ae3f727
--- /dev/null
+++ b/db/testjoint.sql
@@ -0,0 +1,12 @@
+CREATE TABLE `zt_testtaskproduct` (
+  `id` int NOT NULL AUTO_INCREMENT,
+  `product` int NOT NULL,
+  `build` int NOT NULL,
+  `task` int NOT NULL,
+  `execution` int NOT NULL default '0',
+  `project` int NOT NULL default '0',
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `product_build` (`product`,`build`,`task`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+ALTER TABLE `zt_testtask` ADD `joint` enum('0','1') NOT NULL DEFAULT '0' AFTER `build`;