程序包 ohos.data.async

接口 QueryCallback

public interface QueryCallback

Processes the data query result when a data query is performed in the database.

从以下版本开始:

3

SystemCapability

SystemCapability.Data#DATA_APPDATAMGR

方法概要

限定符和类型	方法	说明
void	onQueryDone(Integer token, Object cookie, ResultSet resultSet)	Called to process the data query result.

方法详细资料

onQueryDone

void onQueryDone(Integer token,
                 Object cookie,
                 ResultSet resultSet)

Called to process the data query result.

This method is called after a data query is performed in the database.

参数:

token - Indicates the token. It must be consistent with that in the DataAbilityAsyncHandler#addQueryJob or RdbStoreAsyncHandler#addQueryJob method.

cookie - Indicates the cookie. It can be null.

resultSet - Indicates the data query result. If it is null, an exception occurs during the data query.

从以下版本开始:

3