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From "Guido Serra aka Zeph (JIRA)" <>
Subject [jira] [Commented] (HIVE-784) Support uncorrelated subqueries in the WHERE clause
Date Fri, 15 Feb 2013 09:39:15 GMT


Guido Serra aka Zeph commented on HIVE-784:

[~nzhang] does it mean that u are happy with the workaround and this ticket will not be closed?
cause at Rocket Internet we do have the same issue u stepped into... and the semi-join is
not an option to us. Is anyone else going to take ownership of this one, or since u are the
initial opener and the assignee it is going to /dev/null? (as it seems, since the ticket is
4 years old)

[~namitjain] is there a board reviewing the ticket status? or whoever opens a ticket is usually
the one pushing for its closing/fixing and if this figure is missing features are stalling
like this one?
> Support uncorrelated subqueries in the WHERE clause
> ---------------------------------------------------
>                 Key: HIVE-784
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Ning Zhang
>            Assignee: Ning Zhang
> Hive currently only support views in the FROM-clause, some Facebook use cases suggest
that Hive should support subqueries such as those connected by IN/EXISTS in the WHERE-clause.

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