Key Value Dataset Batch Source (Deprecated)
Note: Datasets and the Key Value Dataset Batch Source are deprecated and will be removed in CDAP 7.0.0.
Reads the entire contents of a KeyValueTable, outputting records with a key field and a value field. Both fields are of type bytes.
The source is used whenever you need to read from a KeyValueTable in batch. For example, you may want to periodically dump the contents of a KeyValueTable to a Table.
Configuration
Property | Macro Enabled? | Description |
|---|---|---|
Table Name | Yes | Required. KeyValueTable name. If the table does not already exist, it will be created. |
Output Schema | No | Required. The output schema for the data. |
Example
This example reads from a KeyValueTable named items:
Property | Value |
|---|---|
Table Name |
|
It outputs records with this schema:
field name | type |
|---|---|
key | bytes |
value | bytes |
Created in 2020 by Google Inc.