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From "Phabricator (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2592) ConstantOI doesn't always propagate to UDAF
Date Mon, 28 Nov 2011 22:49:40 GMT


Phabricator commented on HIVE-2592:

jsichi has requested changes to the revision "HIVE-2592 [jira] ConstantOI doesn't always propagate
to UDAF".

  I got many failures from running ant test on this one.  I think at this point it would make
sense for you to set up a dev box so you can run through ant test yourself.  (Marek has the
parallel test stuff ready to try too.)


> ConstantOI doesn't always propagate to UDAF
> -------------------------------------------
>                 Key: HIVE-2592
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jonathan Chang
>            Assignee: Jonathan Chang
>         Attachments: HIVE-2592.D513.1.patch, HIVE-2592.D513.2.patch
> Depending on the query plan, a UDAF may not actually get a constant OI.  E.g.,
> set;
> SELECT percentile_approx(cast(substr(src.value,5) AS double), 0.5) FROM src;

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