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From "Harish Butani (JIRA)" <>
Subject [jira] [Commented] (HIVE-4142) Remove inferring partition specification behavior
Date Mon, 11 Mar 2013 20:41:12 GMT


Harish Butani commented on HIVE-4142:

Ashutosh, Prajakta, Brock: please take a look.
Had to revise a good portion of the tests.
All the tests have the same result, except 2: ptf.q: q11 and windowing.q q10
Both these have to do with support for having with windowing.
Now that a Window Function has to explicitly have a Window Spec (unless it is the partition
by constant case) it is harder to associate a fn invocation in having with a UDAF with an
over clause. You cannot say:
having rank() over(..) > 5
Will address this in another Jira; probably remove the code that tries to associate a having
clause with a WindowingSpec.
> Remove inferring partition specification behavior
> -------------------------------------------------
>                 Key: HIVE-4142
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: PTF-Windowing
>            Reporter: Harish Butani
>            Assignee: Harish Butani
>         Attachments: HIVE-4142.D9285.1.patch
> Remove behavior that:
> - implicitly sets the partition specification of a UDAF
> this interferes with:
> - the user wanting to apply a UDAF on the entire dataset
> - is ambiguous once we support multiple partitions in 1 query.

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