CREATE TABLE "workflow_schedule" ( "id" text PRIMARY KEY NOT NULL, "workflow_id" text NOT NULL, "cron_expression" text, "next_run_at" timestamp, "last_ran_at" timestamp, "trigger_type" text NOT NULL, "timezone" text DEFAULT 'UTC' NOT NULL, "created_at" timestamp DEFAULT now() NOT NULL, "updated_at" timestamp DEFAULT now() NOT NULL ); --> statement-breakpoint ALTER TABLE "workflow_schedule" ADD CONSTRAINT "workflow_schedule_workflow_id_workflow_id_fk" FOREIGN KEY ("workflow_id") REFERENCES "public"."workflow"("id") ON DELETE cascade ON UPDATE no action;