# frozen_string_literal: true class DropOldNonUniqueIndexOnMrMetrics < ActiveRecord::Migration[6.0] include Gitlab::Database::MigrationHelpers DOWNTIME = false INDEX_NAME = 'index_merge_request_metrics' disable_ddl_transaction! def up remove_concurrent_index_by_name(:merge_request_metrics, INDEX_NAME) end def down add_concurrent_index :merge_request_metrics, :merge_request_id, name: INDEX_NAME end end