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[SPARK-26936][SQL] Fix bug of insert overwrite local dir can not create temporary path in local staging directory #23841

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beliefer wants to merge 2 commits into from
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[SPARK-26936][SQL] Fix bug of insert overwrite local dir can not create temporary path in local staging directory #23841

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fd4dc69
Fix bug -- insert overwrite local dir in yarn-client mode.
beliefer Mar 13, 2019
0913a45
create local dir explicitly.
beliefer Mar 28, 2019
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22 changes: 11 additions & 11 deletions sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveDirCommand.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -87,17 +87,17 @@ case class InsertIntoHiveDirCommand(

val targetPath = new Path(storage.locationUri.get)
val qualifiedPath = FileUtils.makeQualified(targetPath, hadoopConf)
val writeToPath =
val (writeToPath: Path, fs: FileSystem) =
if (isLocal) {
val localFileSystem = FileSystem.getLocal(jobConf)
localFileSystem.makeQualified(targetPath)
(localFileSystem.makeQualified(targetPath), localFileSystem)
} else {
val dfs = qualifiedPath.getFileSystem(jobConf)
if (!dfs.exists(qualifiedPath)) {
dfs.mkdirs(qualifiedPath.getParent)
}
qualifiedPath
val dfs = qualifiedPath.getFileSystem(hadoopConf)
(qualifiedPath, dfs)
}
if (!fs.exists(writeToPath)) {
fs.mkdirs(writeToPath)
}

// The temporary path must be a HDFS path, not a local path.
val tmpPath = getExternalTmpPath(sparkSession, hadoopConf, qualifiedPath)
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@maropu maropu Feb 26, 2019

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In case of inserts from non-hive tables, we still need to use a non-local path?

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@beliefer beliefer Feb 26, 2019 •
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If target path is local, we still need to use a non-local path.

Expand All @@ -112,19 +112,19 @@ case class InsertIntoHiveDirCommand(
fileSinkConf = fileSinkConf,
outputLocation = tmpPath.toString)

val fs = writeToPath.getFileSystem(hadoopConf)
if (overwrite && fs.exists(writeToPath)) {
fs.listStatus(writeToPath).foreach { existFile =>
if (Option(existFile.getPath) != createdTempDir) fs.delete(existFile.getPath, true)
}
}

fs.listStatus(tmpPath).foreach {
val dfs = tmpPath.getFileSystem(hadoopConf)
dfs.listStatus(tmpPath).foreach {
tmpFile =>
if (isLocal) {
fs.copyToLocalFile(tmpFile.getPath, writeToPath)
dfs.copyToLocalFile(tmpFile.getPath, writeToPath)
} else {
fs.rename(tmpFile.getPath, writeToPath)
dfs.rename(tmpFile.getPath, writeToPath)
}
}
} catch {
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