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From "Maryann Xue (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PHOENIX-3050) Handle DESC columns in child/parent join optimization
Date Tue, 31 Oct 2017 05:41:02 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-3050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Maryann Xue updated PHOENIX-3050:
---------------------------------
    Attachment: PHOENIX-3050.patch

This patch will work after PHOENIX-4322 gets in. Existing test {{HashJoinMoreIT#testBug2961()}}
verifies this issue.

> Handle DESC columns in child/parent join optimization
> -----------------------------------------------------
>
>                 Key: PHOENIX-3050
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3050
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.8.0
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>            Priority: Minor
>         Attachments: PHOENIX-3050.patch
>
>
> We found that child/parent join optimization would not work with DESC pk columns. So
as a quick fix for PHOENIX-3029, we simply avoid DESC columns when optimizing, which would
have no impact on the overall approach and no impact on ASC columns.
>  
> But eventually we need to make the optimization work with DESC columns too.



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