Github user jose-torres commented on a diff in the pull request:
https://github.com/apache/spark/pull/21919#discussion_r207961663
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/WriteToDataSourceV2.scala
---
@@ -179,3 +192,24 @@ class InternalRowDataWriter(rowWriter:
DataWriter[Row], encoder: ExpressionEncod
override def abort(): Unit = rowWriter.abort()
}
+
+/**
+ * Collects commit progress on writers.
+*/
+trait StreamWriterProgressCollector {
--- End diff --
This is a kinda weird interface. Can't we just create a
StreamWriterCommitProgress(numOutputRows) instead of round-tripping through
here?
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