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

["Xiao Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-19359?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-19359.
-----------------------------
       Resolution: Fixed
         Assignee: Song Jun
    Fix Version/s: 2.2.0

> 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: Improvement
>          Components: SQL
>            Reporter: Song Jun
>            Assignee: Song Jun
>            Priority: Minor
>             Fix For: 2.2.0
>
>
> 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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