# frozen_string_literal: true class RemoveNamespacesUserDetailsProvisionedByGroupIdFk < Gitlab::Database::Migration[2.1] disable_ddl_transaction! def up return unless foreign_key_exists?(:user_details, :namespaces, name: "fk_190e4fcc88") with_lock_retries do remove_foreign_key_if_exists(:user_details, :namespaces, name: "fk_190e4fcc88", reverse_lock_order: true) end end def down add_concurrent_foreign_key(:user_details, :namespaces, name: "fk_190e4fcc88", column: :provisioned_by_group_id, target_column: :id, on_delete: :nullify) end end