1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20200423081441_add_foreign_key_from_users_to_metrics_users_starred_dashboars.rb b/db/migrate/20200423081441_add_foreign_key_from_users_to_metrics_users_starred_dashboars.rb
new file mode 100644
index 00000000000..c3a7635193c
--- /dev/null
+++ b/db/migrate/20200423081441_add_foreign_key_from_users_to_metrics_users_starred_dashboars.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddForeignKeyFromUsersToMetricsUsersStarredDashboars < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :metrics_users_starred_dashboards, :users, column: :user_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :metrics_users_starred_dashboards, column: :user_id
+    end
+  end
+end