cloud-fan commented on a change in pull request #29767:
URL: https://github.com/apache/spark/pull/29767#discussion_r500081260
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamWriter.scala
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@@ -457,6 +470,17 @@ final class DataStreamWriter[T] private[sql](ds:
Dataset[T]) {
foreachBatch((batchDs: Dataset[T], batchId: Long) =>
function.call(batchDs, batchId))
}
+ /**
+ * Specifies the underlying output table.
+ *
+ * @since 3.1.0
+ */
+ def table(tableName: String): DataStreamWriter[T] = {
Review comment:
It's a bit weird to define `table` as a config method. I think it's
better to follow `DataFrameWriter.saveAsTable` and make it an action. How about
```
def table(tableName: String): StreamingQuery = {
this.source = SOURCE_NAME_TABLE
this.tableName = tableName
start()
}
```
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