ALTER TABLE "app_user_card_record"
    ADD COLUMN "source_id" int4,
    ADD COLUMN "source_type" varchar(255);

COMMENT ON COLUMN "app_user_card_record"."source_id" IS '优惠券来源关联id';

COMMENT ON COLUMN "app_user_card_record"."source_type" IS '优惠券来源关联类型';





