# frozen_string_literal: true class AddPushRulesForeignKeyToApplicationSettings < ActiveRecord::Migration[6.0] include Gitlab::Database::MigrationHelpers DOWNTIME = false disable_ddl_transaction! def up add_concurrent_index :application_settings, :push_rule_id, unique: true add_concurrent_foreign_key :application_settings, :push_rules, column: :push_rule_id, on_delete: :nullify end def down remove_concurrent_index :application_settings, :push_rule_id remove_foreign_key_if_exists :application_settings, column: :push_rule_id end end