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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-16228) Support subqueries in complex expression in SELECT clause
Date Fri, 31 Mar 2017 08:38:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-16228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950536#comment-15950536
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Lefty Leverenz commented on HIVE-16228:
---------------------------------------

Doc note:  This needs to be documented in the design doc.

* [Design Docs -- Subqueries in SELECT | https://cwiki.apache.org/confluence/display/Hive/Subqueries+in+SELECT]

Added a TODOC3.0 label.

> Support subqueries in complex expression in SELECT clause
> ---------------------------------------------------------
>
>                 Key: HIVE-16228
>                 URL: https://issues.apache.org/jira/browse/HIVE-16228
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Logical Optimizer
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>              Labels: TODOC3.0
>             Fix For: 3.0.0
>
>         Attachments: HIVE-16091.2.patch, HIVE-16228.1.patch
>
>
> HIVE-16091 added support for subqueries in SELECT clause but restricted subqueries to
top level expressions (more detail is at [LINK | https://cwiki.apache.org/confluence/display/Hive/Subqueries+in+SELECT])
> This restriction will be relaxed to allow subqueries in all kind of expression except
UDAF (including UDAs and UDTFs).



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