Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/17858#discussion_r115188063
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala
---
@@ -222,7 +222,7 @@ case class InsertIntoHiveTable(
val externalCatalog = sparkSession.sharedState.externalCatalog
val hiveVersion =
externalCatalog.asInstanceOf[HiveExternalCatalog].client.version
val hadoopConf = sessionState.newHadoopConf()
- val stagingDir = hadoopConf.get("hive.exec.stagingdir",
".hive-staging")
+ val stagingDir = hadoopConf.get("hive.exec.stagingdir",
".hive-staging") + "/.hive-staging"
--- End diff --
How about?
```Scala
// SPARK-20594 After Hive 1.1, Hive will create the staging directory
under the table directory,
// and when moving staging directory to table directory, Hive will
still empty the table
// directory, but will exclude the staging directory, which start with
"." or "_".
val stagingDir =
new Path(hadoopConf.get("hive.exec.stagingdir", ".hive-staging"),
".hive-staging").toString
```
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