fragment PetWithRecord on Pet { ...Pet records { // この記録(Record)がめっちゃ多い場合を想定 ...Record } } UpdateCacheHandler<GCreateRecordData, GCreateRecordVars> createRecordCacheHandler = (CacheProxy proxy, OperationResponse<GCreateRecordData, GCreateRecordVars> response) { if (response.needUpdateCache) { final createdRecord = response.data!.createRecord; final pet = proxy.readFragment(GPetWithRecordReq((b) =>