WweiL commented on code in PR #41129:
URL: https://github.com/apache/spark/pull/41129#discussion_r1190645274
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connector/connect/client/jvm/src/main/scala/org/apache/spark/sql/streaming/DataStreamWriter.scala:
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@@ -202,6 +206,21 @@ final class DataStreamWriter[T] private[sql] (ds:
Dataset[T]) extends Logging {
this
}
+ /**
+ * Sets the output of the streaming query to be processed using the provided
writer object.
+ * object. See [[org.apache.spark.sql.ForeachWriter]] for more details on
the lifecycle and
+ * semantics.
+ * @since 3.5.0
+ */
+ def foreach(writer: ForeachWriter[T]): DataStreamWriter[T] = {
+ val serialized = Utils.serialize(writer)
Review Comment:
Serialize an arbitrary class instance directly?
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