目录

@ohos.data.ValuesBucket (Value Bucket)

ValuesBucket is a dataset in the form of key-value (KV) pairs that can be inserted in the database.

The initial APIs of this module are supported since API version 10. 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 stage model.

Modules to Import

import { ValueType, ValuesBucket } from '@kit.ArkData';

ValueType

type ValueType = number | string | boolean

Defines the value types allowed in a ValuesBucket instance.

Atomic service API: This API can be used in atomic services since API version 20.

System capability: SystemCapability.DistributedDataManager.DataShare.Core

Type Description
number The value is a number.
string The value is a string.
boolean The value is true or false.

ValuesBucket

type ValuesBucket = Record<string, ValueType | Uint8Array | null>

Defines the types of the key and value in a KV pair. This type is not multi-thread safe. If a ValuesBucket instance is operated by multiple threads at the same time in an application, use a lock for it.

System capability: SystemCapability.DistributedDataManager.DataShare.Core

Type Description
Record<string, ValueType | Uint8Array | null> Types of the key and value in a KV pair. The key type is string, and the value type can be ValueType, Uint8Array, or null.