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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6393) Support unqualified column references in Joining conditions
Date Wed, 26 Feb 2014 04:07:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912489#comment-13912489
] 

Gunther Hagleitner commented on HIVE-6393:
------------------------------------------

some comments on rb. otherwise +1.

> Support unqualified column references in Joining conditions
> -----------------------------------------------------------
>
>                 Key: HIVE-6393
>                 URL: https://issues.apache.org/jira/browse/HIVE-6393
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Harish Butani
>            Assignee: Harish Butani
>         Attachments: HIVE-6393.1.patch, HIVE-6393.2.patch
>
>
> Support queries of the form:
> {noformat}
> create table r1(a int);
> create table r2(b);
> select a, b
> from r1 join r2 on a = b
> {noformat}
> This becomes more useful in old style syntax:
> {noformat}
> select a, b
> from r1, r2
> where a = b
> {noformat}



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