harmony 鸿蒙DataAbilityOperation

2022-12-22
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DataAbilityOperation

The DataAbilityOperation module defines the operation on DataAbilities. It can be used as an input parameter of executeBatch to specify the database operation information.

NOTE

The initial APIs of this module are supported since API version 7. Newly added APIs will be marked with a superscript to indicate their earliest API version. The APIs of this module can be used only in the FA model.

Modules to Import

import ability from '@ohos.ability.ability';

Attributes

System capability: SystemCapability.Ability.AbilityRuntime.FAModel

Name	Template	Mandatory	Description
uri	string	Yes	URI of the DataAbility. Example: ‘dataability:///com.example.xxx.xxxx’.
type	featureAbility.DataAbilityOperationType	Yes	Operation type.
valuesBucket?	rdb.ValuesBucket	No	Data value to set.
valueBackReferences?	rdb.ValuesBucket	No	ValuesBucket object that contains a set of key-value pairs.
predicates?	dataAbility.DataAbilityPredicates	No	Predicates to set. If no predicate is set, all data records are displayed.
predicatesBackReferences?	Map<number, number>	No	Back references of the predicates.
interrupted?	boolean	No	Whether batch operations can be interrupted.
expectedCount?	number	No	Expected number of rows to be updated or deleted.