程序包 ohos.data.rdb

类 AbsRdbPredicates

java.lang.Object

ohos.data.rdb.AbsRdbPredicates

直接已知子类:

RawRdbPredicates, RdbPredicates

public abstract class AbsRdbPredicates
extends Object

The abstract super class used to set database operation condition for the relational database (RDB).

Two implementation class of AbsRdbPredicates is defined, containing RdbPredicates and RawRdbPredicates.

从以下版本开始:

4

SystemCapability

SystemCapability.Data#DATA_APPDATAMGR

构造器概要

构造器

构造器	说明
AbsRdbPredicates(String tableName)	The constructor method of AbsPredicates with the defined table name.

方法概要

限定符和类型	方法	说明
void	clear()
String	getTableName()	Obtains the database table names in the predicates.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

AbsRdbPredicates

public AbsRdbPredicates(String tableName)

The constructor method of AbsPredicates with the defined table name.

参数:

tableName - Indicates the name of the table to operate.

方法详细资料

getTableName

public String getTableName()

Obtains the database table names in the predicates.

返回:

Value of variable tableName.

clear

public void clear()