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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-420) Support regular expressions for column in select clause
Date Fri, 01 May 2009 18:01:31 GMT

    [ https://issues.apache.org/jira/browse/HIVE-420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705074#action_12705074
] 

Namit Jain commented on HIVE-420:
---------------------------------

Looks good - can you add a negative test where you are using regex columns in group by queries.
After that, I will run test and commit if the tests pass

> Support regular expressions for column in select clause
> -------------------------------------------------------
>
>                 Key: HIVE-420
>                 URL: https://issues.apache.org/jira/browse/HIVE-420
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>    Affects Versions: 0.2.0, 0.3.0, 0.3.1, 0.4.0
>            Reporter: Prasad Chakka
>            Assignee: Zheng Shao
>            Priority: Minor
>             Fix For: 0.4.0
>
>         Attachments: HIVE-420.1.patch, HIVE-420.2.patch, HIVE-420.3.patch
>
>
> support queries like `select a.[^ds] from a where a.ds='2009-09-09'` which are useful
when there are humongous number of columns in a table and want to select all columns except
the partitions columns. 

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