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https://issues.apache.org/jira/browse/HIVE-16228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15945940#comment-15945940
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Vineet Garg commented on HIVE-16228:
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Thanks for the tests [~ashutoshc]. These tests found bunch of issues in the
code.
> 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
> 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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