anew commented on code in PR #57192:
URL: https://github.com/apache/spark/pull/57192#discussion_r3592191068
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sql/pipelines/src/main/scala/org/apache/spark/sql/pipelines/autocdc/Scd2BatchProcessor.scala:
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@@ -942,18 +1155,50 @@ object RowClassifier {
isOpenUpsert(row) || isClosedUpsert(row)
/**
- * Delete-representing row, encoded as an instantaneous (zero-width)
interval at `recordStartAt`
- * (`startAt == endAt == recordStartAt`). Never materializes in the target
table.
+ * Tombstone (delete-boundary) row, encoded as an instantaneous interval at
Review Comment:
yes, that is my understanding, too.
It would definitely help to read the "concepts" section in the scaladoc for
Scd2BatchProcessor, line 811 ff.
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