[jira] [Created] (SPARK-19359) partition path created by Hive should be deleted after rename a partition with upper-case

["Song Jun (JIRA)" <ji...@apache.org>]

Song Jun created SPARK-19359:
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             Summary: partition path created by Hive should be deleted after rename a partition with upper-case
                 Key: SPARK-19359
                 URL: https://issues.apache.org/jira/browse/SPARK-19359
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Song Jun
            Priority: Minor


Hive metastore is not case preserving and keep partition columns with lower case names. 

If SparkSQL create a table with upper-case partion name use HiveExternalCatalog, when we rename partition, it first call the HiveClient to renamePartition, which will create a new lower case partition path, then SparkSql rename the lower case path to the upper-case.

while if the renamed partition contains more than one depth partition ,e.g. A=1/B=2, hive renamePartition change to a=1/b=2, then SparkSql rename it to A=1/B=2, but the a=1 still exists in the filesystem, we should also delete it.



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