pan3793 opened a new pull request, #7732:
URL: https://github.com/apache/iceberg/pull/7732
This PR aims to make `IcebergSource extends SessionConfigSupport` to improve
the Spark DataSource v2 API coverage.
```
/**
* A mix-in interface for {@link TableProvider}. Data sources can implement
this interface to
* propagate session configs with the specified key-prefix to all data
source operations in this
* session.
*
* @since 3.0.0
*/
@Evolving
public interface SessionConfigSupport extends TableProvider {
/**
* Key prefix of the session configs to propagate, which is usually the
data source name. Spark
* will extract all session configs that starts with
`spark.datasource.$keyPrefix`, turn
* `spark.datasource.$keyPrefix.xxx -> yyy` into `xxx -> yyy`, and
propagate them to all
* data source operations in this session.
*/
String keyPrefix();
}
```
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