advancedxy commented on a change in pull request #25863:
[WIP][SPARK-29037][CORE][SQL] For static partition overwrite, spark may give
duplicate result.
URL: https://github.com/apache/spark/pull/25863#discussion_r327987102
##########
File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
##########
@@ -271,4 +318,59 @@ class HadoopMapReduceCommitProtocol(
logWarning(s"Exception while aborting
${taskContext.getTaskAttemptID}", e)
}
}
+
+ /**
+ * Delete the staging output path of current InsertIntoHadoopFsRelation
operation.
Review comment:
This doc needs more detailed comments. Explain how we deleting staging dir
and why we do that way.
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