[jira] [Updated] (HIVE-6938) Add Support for Parquet Column Rename

["Daniel Weeks (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-6938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Weeks updated HIVE-6938:
-------------------------------

    Status: Patch Available  (was: Open)

The patch contains a small change to DDLTask to add support for replace columns as well as a change to the Serde to allow switching between column index based access and name based access of columns.

> Add Support for Parquet Column Rename
> -------------------------------------
>
>                 Key: HIVE-6938
>                 URL: https://issues.apache.org/jira/browse/HIVE-6938
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats
>    Affects Versions: 0.13.0
>            Reporter: Daniel Weeks
>         Attachments: HIVE-6938.1.patch
>
>
> Parquet was originally introduced without 'replace columns' support in ql.  In addition, the default behavior for parquet is to access columns by name as opposed to by index by the Serde.  
> Parquet should allow for either columnar (index based) access or name based access because it can support either.



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