@ohos.data.ValuesBucket (Data Set)
ValuesBucket is a dataset in the form of key-value (KV) pairs that can be inserted in the database.
NOTE
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.
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. |