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From "Ashutosh Chauhan (JIRA)" <>
Subject [jira] [Commented] (HIVE-4394) test leadlag.q fails
Date Mon, 22 Apr 2013 22:29:17 GMT


Ashutosh Chauhan commented on HIVE-4394:

I think whats happening. For rows where column value can't be computed (e.g. first row of
lag function) we return null, whereas earlier we use to return current value.  I am not sure
whats correct (or what standard says) but postgres atleast seems to do what we were doing
earlier (ie, return current column value).
> test leadlag.q fails
> --------------------
>                 Key: HIVE-4394
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: PTF-Windowing
>            Reporter: Namit Jain
> ant test -Dtestcase=TestCliDriver -Dqfile=leadlag.q fails.
> cc [~rhbutani]

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