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https://issues.apache.org/jira/browse/HIVE-4142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13599336#comment-13599336
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Ashutosh Chauhan commented on HIVE-4142:
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Thinking more about it, I think we should just outright remove support for
this. No other systems supports this. And this is one of the cases where we are
adding semantics (allowing having without a group-by) which will be a deviation
from a standard. Further, we are not getting it for free and have to write and
maintain more code for it.
> Remove inferring partition specification behavior
> -------------------------------------------------
>
> Key: HIVE-4142
> URL: https://issues.apache.org/jira/browse/HIVE-4142
> 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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