Key Value Dataset Sink (Deprecated)
- Robin Rielley
Note: Datasets and the Key Value Dataset Sink are deprecated and will be removed in CDAP 7.0.0.
Writes records to a KeyValueTable, using configurable fields from input records as the key and value.
The source is used whenever you need to write to a KeyValueTable in batch. For example, you may want to periodically copy portions of a Table into a KeyValueTable.
Configuration
Property | Macro Enabled? | Description |
|---|---|---|
Table Name | Yes | Required. Name of the dataset. If it does not already exist, one will be created. |
Key Field | No | Optional. The name of the field to use as the key. Defaults to |
Value Field | No | Optional. The name of the field to use as the value. Defaults to |
Output Schema | No | Required. The output schema for the data. |
Example
This example writes to a KeyValueTable named items:
Property | Value |
|---|---|
Table Name |
|
Key Field |
|
Value Field |
|
It takes records with the following schema as input:
field name | type |
|---|---|
id | bytes |
description | bytes |
When writing to the KeyValueTable, the id field will be used as the key, and the description field will be used as the value.
Related content
Created in 2020 by Google Inc.