harmony 鸿蒙@ohos.data.ValuesBucket (Data Set)
@ohos.data.ValuesBucket (Data Set)
The ValueBucket module holds data in key-value (KV) pairs. You can use it to insert data into a 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 } from '@ohos.data.ValuesBucket';
import { ValuesBucket } from '@ohos.data.ValuesBucket';
ValueType
Enumerates the value types allowed by the database.
System capability: SystemCapability.DistributedDataManager.DataShare.Core
Type | Description |
---|---|
number | The value is a number. |
string | The value is a string. |
boolean | The value is of Boolean type. |
ValuesBucket
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 the instance.
System capability: SystemCapability.DistributedDataManager.DataShare.Core
Key Type | Value Type |
---|---|
string | ValueType|Uint8Array |null |
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