HyukjinKwon commented on a change in pull request #26956: [SPARK-30312][SQL]
Preserve path permission and acl when truncate table
URL: https://github.com/apache/spark/pull/26956#discussion_r363627079
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala
##########
@@ -499,8 +499,35 @@ case class TruncateTableCommand(
val path = new Path(location.get)
try {
val fs = path.getFileSystem(hadoopConf)
+ val fileStatus = fs.getFileStatus(path)
+ // Not all fs impl. support these APIs.
+ val optPermission = Try(fileStatus.getPermission())
+ val optAcls = Try(fs.getAclStatus(path).getEntries)
+
fs.delete(path, true)
+
+ // We should keep original permission/acl of the path.
+ // For owner/group, only super-user can set it, for example on HDFS.
Because
+ // current user can delete the path, we assume the user/group is
correct or not an issue.
fs.mkdirs(path)
+ optPermission.foreach { permission =>
+ Try(fs.setPermission(path, permission)) match {
Review comment:
Yeah .. `Try(...)` is actually discouraged .. :-).
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
