anishshri-db commented on a change in pull request #36002:
URL: https://github.com/apache/spark/pull/36002#discussion_r840144732
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamingSymmetricHashJoinExec.scala
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@@ -324,17 +324,21 @@ case class StreamingSymmetricHashJoinExec(
}
}
+ val initIterFn = { () =>
+ val removedRowIter = leftSideJoiner.removeOldState()
+ removedRowIter.filterNot { kv =>
+ stateFormatVersion match {
+ case 1 => matchesWithRightSideState(new UnsafeRowPair(kv.key,
kv.value))
+ case 2 => kv.matched
+ case _ => throwBadStateFormatVersionException()
+ }
+ }.map(pair => joinedRow.withLeft(pair.value).withRight(nullRight))
+ }
+
// NOTE: we need to make sure `outerOutputIter` is evaluated "after"
exhausting all of
- // elements in `innerOutputIter`, because evaluation of
`innerOutputIter` may update
+ // elements in `hashJoinOutputIter`, because evaluation of
`hashJoinOutputIter` may update
Review comment:
> We probably could mention simply as ", otherwise it may lead to
correctness issues. Please refer
[SPARK-38684](https://issues.apache.org/jira/browse/SPARK-38684) for more
details."
Yes, sounds good 👍
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