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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12667) Proper fix for HIVE-12473
Date Mon, 21 Dec 2015 18:46:46 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gunther Hagleitner updated HIVE-12667:
--------------------------------------
    Attachment: HIVE-12667.2.patch

.2 is rebased (golden files for dyn part pruning have changed in master).

> Proper fix for HIVE-12473
> -------------------------
>
>                 Key: HIVE-12667
>                 URL: https://issues.apache.org/jira/browse/HIVE-12667
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-12667.1.patch, HIVE-12667.1.patch, HIVE-12667.2.patch
>
>
> HIVE-12473 has added an incorrect comment and also lacks a test case.
> Benefits of this fix:
>    * Does not say: "Probably doesn't work"
>    * Does not use grammar like "subquery columns and such"
>    * Adds test cases, that let you verify the fix
>    * Doesn't rely on certain structure of key expr, just takes the type at compile time
>    * Doesn't require an additional walk of each key expression
>    * Shows the type used in explain



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