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https://issues.apache.org/jira/browse/SPARK-30411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17010799#comment-17010799
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Sanket Reddy commented on SPARK-30411:
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spark.sql.orc.impl=hive does not work. [~yumwang] [~hyukjin.kwon] do we want
to revisit
[PR-22078|https://github.com/apache/spark/pull/22078#issuecomment-458851287] or
do we have a good reason not to proceed on this based on my concerns above? I
could make an internal patch but just wondering on your thoughts.
> saveAsTable does not honor spark.hadoop.hive.warehouse.subdir.inherit.perms
> ---------------------------------------------------------------------------
>
> Key: SPARK-30411
> URL: https://issues.apache.org/jira/browse/SPARK-30411
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4
> Reporter: Sanket Reddy
> Priority: Minor
>
> {code}
> -bash-4.2$ hdfs dfs -ls /tmp | grep my_databases
> drwxr-x--T - redsanket users 0 2019-12-04 20:15 /tmp/my_databases
> {code}
> {code}
> >>> spark.sql("CREATE TABLE redsanket_db.example(bcookie string, ip int)
> >>> STORED AS orc");
> {code}
> {code}
> -bash-4.2$ hdfs dfs -ls /tmp/my_databases | grep example
> drwxr-x--T - redsanket users 0 2019-12-04 20:20 /tmp/my_databases/example
> {code}
> Now after {{saveAsTable}}
> {code}
> >>> data = [('First', 1), ('Second', 2), ('Third', 3), ('Fourth', 4),
> ('Fifth', 5)]
> >>> df = spark.createDataFrame(data)
> >>>
> df.write.format("orc").mode('overwrite').saveAsTable('redsanket_db.example')
> {code}
> {code}
> -bash-4.2$ hdfs dfs -ls /tmp/my_databases | grep example
> drwx------ - redsanket users 0 2019-12-04 20:23 /tmp/my_databases/example
> {code}
> Overwrites the permissions
> Insert into honors preserving parent directory permissions.
> {code}
> >>> spark.sql("DROP table redsanket_db.example");
> DataFrame[]
> >>> spark.sql("CREATE TABLE redsanket_db.example(bcookie string, ip int)
> STORED AS orc");
> DataFrame[]
> >>> df.write.format("orc").insertInto('redsanket_db.example')
> {code}
> {code}
> -bash-4.2$ hdfs dfs -ls /tmp/my_databases | grep example
> drwxr-x--T - redsanket users 0 2019-12-04 20:43 /tmp/my_databases/example
> {code}
> It is either limitation of the API based on the mode and the behavior has to
> be documented or needs to be fixed
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