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From "Eric Hanson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4922) create template for string scalar compared with string column
Date Tue, 23 Jul 2013 21:14:48 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13717630#comment-13717630
] 

Eric Hanson commented on HIVE-4922:
-----------------------------------

This patch was created after the following patches were applied, so to be safe, it should
wait to go in until they've been applied first.

    HIVE-4684.3.patch
    HIVE-4884-0000.patch
    Hive-4909.0.patch
                
> create template for string scalar compared with string column
> -------------------------------------------------------------
>
>                 Key: HIVE-4922
>                 URL: https://issues.apache.org/jira/browse/HIVE-4922
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: vectorization-branch
>            Reporter: Eric Hanson
>            Assignee: Eric Hanson
>         Attachments: HIVE-4922.1.patch
>
>
> Create a template to generate classes to handle comparisons with a scalar on the left
and a column on the right.
> This allows queries similar to the following to run vectorized:
> select l_orderkey, l_shipmode 
> from lineitem_orc 
> where l_orderkey = 1 and 'M' > l_shipmode;

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