hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Phabricator (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2592) ConstantOI doesn't always propagate to UDAF
Date Thu, 24 Nov 2011 05:11:41 GMT


Phabricator commented on HIVE-2592:

jonchang has commented on the revision "HIVE-2592 [jira] ConstantOI doesn't always propagate
to UDAF".

  Maybe someone with some more depth on the history here can chime in, but it seems to me
that if the TI/OI split was intended to solve the problem, it's a pretty broken solution.


> 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;

This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:!default.jspa
For more information on JIRA, see:


View raw message