1 files changed, 16 insertions, 0 deletions
diff --git a/models/migrations/v1_12/v129.go b/models/migrations/v1_12/v129.go
new file mode 100644
index 0000000..cf22824
--- /dev/null
+++ b/models/migrations/v1_12/v129.go
@@ -0,0 +1,16 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_12 //nolint
+
+import (
+	"xorm.io/xorm"
+)
+
+func PurgeUnusedDependencies(x *xorm.Engine) error {
+	if _, err := x.Exec("DELETE FROM issue_dependency WHERE issue_id NOT IN (SELECT id FROM issue)"); err != nil {
+		return err
+	}
+	_, err := x.Exec("DELETE FROM issue_dependency WHERE dependency_id NOT IN (SELECT id FROM issue)")
+	return err
+}