ALTER TABLE "transaction" DROP CONSTRAINT "transaction_recipient_user_id_user_id_fk"; --> statement-breakpoint ALTER TABLE "transaction" DROP CONSTRAINT "transaction_sender_user_id_user_id_fk"; --> statement-breakpoint ALTER TABLE "coin" ALTER COLUMN "change_24h" SET DATA TYPE numeric(30, 4);--> statement-breakpoint DO $$ BEGIN ALTER TABLE "transaction" ADD CONSTRAINT "transaction_recipient_user_id_user_id_fk" FOREIGN KEY ("recipient_user_id") REFERENCES "public"."user"("id") ON DELETE set null ON UPDATE no action; EXCEPTION WHEN duplicate_object THEN null; END $$; --> statement-breakpoint DO $$ BEGIN ALTER TABLE "transaction" ADD CONSTRAINT "transaction_sender_user_id_user_id_fk" FOREIGN KEY ("sender_user_id") REFERENCES "public"."user"("id") ON DELETE set null ON UPDATE no action; EXCEPTION WHEN duplicate_object THEN null; END $$;