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From "Szehon Ho (JIRA)" <>
Subject [jira] [Commented] (HIVE-6938) Add Support for Parquet Column Rename
Date Tue, 17 Jun 2014 02:35:02 GMT


Szehon Ho commented on HIVE-6938:

Actually I took a quick look and it is straight-forward, test-output just needed to be regen'ed
after HIVE-7087 which removes lineage-info in golden files, the rest is the same.  Fix is
at HIVE-7245

> Add Support for Parquet Column Rename
> -------------------------------------
>                 Key: HIVE-6938
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: File Formats
>    Affects Versions: 0.13.0
>            Reporter: Daniel Weeks
>            Assignee: Daniel Weeks
>              Labels: TODOC14
>             Fix For: 0.14.0
>         Attachments: HIVE-6938.1.patch, HIVE-6938.2.patch, HIVE-6938.2.patch, HIVE-6938.3.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
> Parquet should allow for either columnar (index based) access or name based access because
it can support either.

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