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From "Sanket Reddy (Jira)" <j...@apache.org>
Subject [jira] [Created] (SPARK-30411) saveAsTable does not honor spark.hadoop.hive.warehouse.subdir.inherit.perms
Date Thu, 02 Jan 2020 16:27:00 GMT
Sanket Reddy created SPARK-30411:
------------------------------------

             Summary: 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


-bash-4.2$ hdfs dfs -ls /tmp | grep my_databases
drwxr-x--T   - redsanket         users                         0 2019-12-04 20:15 /tmp/my_databases

>>>spark.sql("CREATE TABLE redsanket_db.example(bcookie string, ip int) STORED AS
orc");

-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


Now after saveAsTable
>>> 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')
-bash-4.2$ hdfs dfs -ls /tmp/my_databases | grep example
drwx------   - redsanket users          0 2019-12-04 20:23 /tmp/my_databases/example
Overwrites the permissions

Insert into honors preserving parent directory permissions.
>>> 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')

-bash-4.2$ hdfs dfs -ls /tmp/my_databases | grep example
drwxr-x--T   - schintap users          0 2019-12-04 20:43 /tmp/my_databases/example
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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