HeartSaVioR commented on a change in pull request #27649: [SPARK-30900][SS]
FileStreamSource: Avoid reading compact metadata log twice if the query
restarts from compact batch
URL: https://github.com/apache/spark/pull/27649#discussion_r382027215
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/FileStreamSourceLog.scala
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@@ -122,8 +123,35 @@ class FileStreamSourceLog(
}
batches
}
+
+ def restore(): Array[FileEntry] = {
Review comment:
To not touch existing semantic of `allFiles()`, I simply add a new method to
cover the new semantic. I'll just override `allFiles()` if it's preferred.
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