WinkerDu commented on a change in pull request #29000:
URL: https://github.com/apache/spark/pull/29000#discussion_r478796737
##########
File path:
core/src/main/scala/org/apache/spark/internal/io/HadoopMapReduceCommitProtocol.scala
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@@ -106,13 +112,13 @@ class HadoopMapReduceCommitProtocol(
val filename = getFilename(taskContext, ext)
val stagingDir: Path = committer match {
- case _ if dynamicPartitionOverwrite =>
- assert(dir.isDefined,
- "The dataset to be written must be partitioned when
dynamicPartitionOverwrite is true.")
- partitionPaths += dir.get
- this.stagingDir
// For FileOutputCommitter it has its own staging path called "work
path".
case f: FileOutputCommitter =>
+ if (dynamicPartitionOverwrite) {
+ assert(dir.isDefined,
+ "The dataset to be written must be partitioned when
dynamicPartitionOverwrite is true.")
+ partitionPaths += dir.get
+ }
new Path(Option(f.getWorkPath).map(_.toString).getOrElse(path))
Review comment:
IFAIKļ¼`assert(dir.isDefined, ...)` already avoid this case,
`dir.isDefined` means` !dir.isEmpty`, correct me if wrong :)
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