# frozen_string_literal: true class AddForeignKeyToVulnerabilityReadsCastedClusterAgentId < Gitlab::Database::Migration[2.0] disable_ddl_transaction! def up add_concurrent_foreign_key :vulnerability_reads, :cluster_agents, column: :casted_cluster_agent_id, on_delete: :nullify end def down with_lock_retries do remove_foreign_key :vulnerability_reads, :cluster_agents, column: :casted_cluster_agent_id end end end