CREATE TABLE "comments" ( "id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL, "household_id" uuid NOT NULL, "entity_type" text NOT NULL, "entity_id" uuid NOT NULL, "author_id" uuid NOT NULL, "body" text NOT NULL, "created_at" timestamp with time zone DEFAULT now() NOT NULL, "updated_at" timestamp with time zone DEFAULT now() NOT NULL ); --> statement-breakpoint ALTER TABLE "comments" ADD CONSTRAINT "comments_household_id_households_id_fk" FOREIGN KEY ("household_id") REFERENCES "public"."households"("id") ON DELETE cascade ON UPDATE no action; --> statement-breakpoint ALTER TABLE "comments" ADD CONSTRAINT "comments_author_id_users_id_fk" FOREIGN KEY ("author_id") REFERENCES "public"."users"("id") ON DELETE cascade ON UPDATE no action; --> statement-breakpoint CREATE INDEX "comments_entity_idx" ON "comments" USING btree ("entity_type","entity_id","created_at");