程序包 ohos.data.rdb

类 RawRdbPredicates

java.lang.Object

ohos.data.rdb.AbsRdbPredicates

ohos.data.rdb.RawRdbPredicates

public class RawRdbPredicates
extends AbsRdbPredicates

This is sub-class of RdbPredicates used for relational database.

RawRdbPredicates is only allowed to set table name, whereClause and whereArgs in the constructor method, and other interfaces in RdbPredicates isn't recommended to use.

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
RawRdbPredicates(String tableName)	The constructor method of RawRdbPredicate with the defined table name.
RawRdbPredicates(String tableName, String whereClause, String[] whereArgs)	The constructor method of RawRdbPredicate with the defined table name, where clause and whereArgs.

方法概要

限定符和类型	方法	说明
List<String>	getWhereArgs()
String	getWhereClause()
void	setWhereArgs(List<String> whereArgs)
void	setWhereClause(String whereClause)

从类继承的方法 ohos.data.rdb.AbsRdbPredicates

clear, getTableName

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

RawRdbPredicates

public RawRdbPredicates(String tableName)

The constructor method of RawRdbPredicate with the defined table name.

参数:

tableName - Indicates the name of the table to operate.

RawRdbPredicates

public RawRdbPredicates(String tableName,
                        String whereClause,
                        String[] whereArgs)

The constructor method of RawRdbPredicate with the defined table name, where clause and whereArgs.

参数:

tableName - Indicates the name of the table to be operated.

whereClause - Indicates the where clause of the sql statement.

whereArgs - Indicates the value of placeholder in where clause.

方法详细资料

setWhereClause

public void setWhereClause(String whereClause)

setWhereArgs

public void setWhereArgs(List<String> whereArgs)

getWhereClause

public String getWhereClause()

getWhereArgs

public List<String> getWhereArgs()