ALTER TABLE "checkout_flow_session" ADD COLUMN "ticket_id" integer;--> statement-breakpoint
DO $$ BEGIN
 ALTER TABLE "checkout_flow_session" ADD CONSTRAINT "checkout_flow_session_ticket_id_flight_ticket_info_id_fk" FOREIGN KEY ("ticket_id") REFERENCES "public"."flight_ticket_info"("id") ON DELETE set null ON UPDATE no action;
EXCEPTION
 WHEN duplicate_object THEN null;
END $$;