1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20210203002331_drop_backup_label_index.rb b/db/migrate/20210203002331_drop_backup_label_index.rb
new file mode 100644
index 00000000000..430d2d0fb79
--- /dev/null
+++ b/db/migrate/20210203002331_drop_backup_label_index.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class DropBackupLabelIndex < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'backup_labels_project_id_title_idx'
+
+  def up
+    remove_concurrent_index_by_name(:backup_labels, name: INDEX_NAME)
+  end
+
+  def down
+    add_concurrent_index :backup_labels, [:project_id, :title], name: INDEX_NAME, unique: true, where: 'group_id = NULL::integer'
+  end
+end