gaborgsomogyi commented on a change in pull request #26590: [SPARK-29953][SS]
Don't clean up source files for FileStreamSource if the files belong to the
output of FileStreamSink
URL: https://github.com/apache/spark/pull/26590#discussion_r350149070
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSource.scala
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@@ -267,10 +269,22 @@ class FileStreamSource(
val logOffset = FileStreamSourceOffset(end).logOffset
sourceCleaner.foreach { cleaner =>
- val files = metadataLog.get(Some(logOffset),
Some(logOffset)).flatMap(_._2)
- val validFileEntities = files.filter(_.batchId == logOffset)
- logDebug(s"completed file entries: ${validFileEntities.mkString(",")}")
- validFileEntities.foreach(cleaner.clean)
+ sourceHasMetadata match {
+ case Some(true) if !warnedIgnoringCleanSourceOption =>
Review comment:
Is it possible that it's called more than once? Such case `case _ =>` will
win.
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