CREATE TABLE IF NOT EXISTS "follows" ( "user_id" integer, "follower_id" integer, CONSTRAINT "follows_user_id_follower_id_pk" PRIMARY KEY("user_id","follower_id") ); --> statement-breakpoint ALTER TABLE "profiles" ADD COLUMN "website" varchar DEFAULT '' NOT NULL;--> statement-breakpoint DO $$ BEGIN ALTER TABLE "follows" ADD CONSTRAINT "follows_user_id_users_id_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action; EXCEPTION WHEN duplicate_object THEN null; END $$; --> statement-breakpoint DO $$ BEGIN ALTER TABLE "follows" ADD CONSTRAINT "follows_follower_id_users_id_fk" FOREIGN KEY ("follower_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action; EXCEPTION WHEN duplicate_object THEN null; END $$;