Github user fjh100456 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20087#discussion_r163150428
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/SaveAsHiveFile.scala
---
@@ -55,18 +55,28 @@ private[hive] trait SaveAsHiveFile extends
DataWritingCommand {
customPartitionLocations: Map[TablePartitionSpec, String] =
Map.empty,
partitionAttributes: Seq[Attribute] = Nil): Set[String] = {
- val isCompressed = hadoopConf.get("hive.exec.compress.output",
"false").toBoolean
+ val isCompressed =
+
fileSinkConf.getTableInfo.getOutputFileFormatClassName.toLowerCase(Locale.ROOT)
match {
+ case formatName if formatName.endsWith("orcoutputformat") =>
+ // For ORC,"mapreduce.output.fileoutputformat.compress",
+ // "mapreduce.output.fileoutputformat.compress.codec", and
+ // "mapreduce.output.fileoutputformat.compress.type"
+ // have no impact because it uses table properties to store
compression information.
--- End diff --
Ok, I'll try it.
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