2 files changed, 36 insertions, 0 deletions
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 8b1329ea68..e214f16a2a 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -262,6 +262,8 @@ var migrations = []Migration{
 	NewMigration("update migration repositories' service type", dropColumnHeadUserNameOnPullRequest),
 	// v103 -> v104
 	NewMigration("Add WhitelistDeployKeys to protected branch", addWhitelistDeployKeysToBranches),
+	// v104 -> v105
+	NewMigration("remove unnecessary columns from label", removeLabelUneededCols),
 }
 
 // Migrate database to current version
diff --git a/models/migrations/v104.go b/models/migrations/v104.go
new file mode 100644
index 0000000000..f3ec3c88c8
--- /dev/null
+++ b/models/migrations/v104.go
@@ -0,0 +1,34 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import (
+	"xorm.io/xorm"
+)
+
+func removeLabelUneededCols(x *xorm.Engine) error {
+
+	// Make sure the columns exist before dropping them
+	type Label struct {
+		QueryString string
+		IsSelected  bool
+	}
+	if err := x.Sync2(new(Label)); err != nil {
+		return err
+	}
+
+	sess := x.NewSession()
+	defer sess.Close()
+	if err := sess.Begin(); err != nil {
+		return err
+	}
+	if err := dropTableColumns(sess, "label", "query_string"); err != nil {
+		return err
+	}
+	if err := dropTableColumns(sess, "label", "is_selected"); err != nil {
+		return err
+	}
+	return sess.Commit()
+}