# frozen_string_literal: true class AddIndexOnFingerprintAndTargetTypeToEvents < ActiveRecord::Migration[6.0] include Gitlab::Database::MigrationHelpers DOWNTIME = false disable_ddl_transaction! KEYS = [:target_type, :target_id, :fingerprint] def up add_concurrent_index :events, KEYS, using: :btree, unique: true end def down remove_concurrent_index :events, KEYS end end