CREATE TABLE IF NOT EXISTS "worldTravelRegions" ( "id" serial PRIMARY KEY NOT NULL, "name" text NOT NULL, "country_id" text NOT NULL ); --> statement-breakpoint DO $$ BEGIN ALTER TABLE "worldTravelRegions" ADD CONSTRAINT "worldTravelRegions_country_id_worldTravelCountries_id_fk" FOREIGN KEY ("country_id") REFERENCES "worldTravelCountries"("id") ON DELETE no action ON UPDATE no action; EXCEPTION WHEN duplicate_object THEN null; END $$;