beliefer commented on a change in pull request #23841: [SPARK-26936][SQL] Fix
bug of insert overwrite local dir and inconsistent behavior with Hive
URL: https://github.com/apache/spark/pull/23841#discussion_r260169910
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File path:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveDirCommand.scala
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@@ -86,20 +86,21 @@ case class InsertIntoHiveDirCommand(
val jobConf = new JobConf(hadoopConf)
val targetPath = new Path(storage.locationUri.get)
- val writeToPath =
+ val qualifiedPath = FileUtils.makeQualified(targetPath, hadoopConf)
+ val (writeToPath: Path, fs: FileSystem) =
if (isLocal) {
val localFileSystem = FileSystem.getLocal(jobConf)
- localFileSystem.makeQualified(targetPath)
+ (localFileSystem.makeQualified(targetPath), localFileSystem)
} else {
- val qualifiedPath = FileUtils.makeQualified(targetPath, hadoopConf)
- 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)
+ }
- val tmpPath = getExternalTmpPath(sparkSession, hadoopConf, writeToPath)
+ // The temporary path must be a HDFS path, not a local path.
+ val tmpPath = getExternalTmpPath(sparkSession, hadoopConf, qualifiedPath)
Review comment:
If aim path is local, we still need to use a non-local path.
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