HeartSaVioR commented on code in PR #41026:
URL: https://github.com/apache/spark/pull/41026#discussion_r1193370059
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sql/core/src/main/scala/org/apache/spark/sql/streaming/DataStreamWriter.scala:
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@@ -534,6 +552,8 @@ final class DataStreamWriter[T] private[sql](ds:
Dataset[T]) {
private var foreachWriter: ForeachWriter[T] = null
+ private var pythonForeachWriter: PythonForeachWriter = null
+
Review Comment:
UnsafeRow does not extend Row. Spark SQL separates the internal
representation of Row from public representation, named as InternalRow.
UnsafeRow extends InternalRow.
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