[jira] [Comment Edited] (PHOENIX-944) Support derived tables in FROM clause that needs extra steps of client-side aggregation or other processing

["Maryann Xue (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PHOENIX-944?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14182023#comment-14182023 ] 

Maryann Xue edited comment on PHOENIX-944 at 10/23/14 9:45 PM:
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Thank you for finding this out, [~jamestaylor]! It was actually a mistake. It was meant to be like what you said. No strong preference, maybe just change the return type and still leave it here in this class.


was (Author: maryannxue):
Good point, [~jamestaylor]. No strong preference, maybe just change the return type and still leave it here in this class.

> Support derived tables in FROM clause that needs extra steps of client-side aggregation or other processing
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: PHOENIX-944
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-944
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 4.0.0, 5.0.0
>            Reporter: Maryann Xue
>            Assignee: Maryann Xue
>             Fix For: 3.0.0, 4.0.0, 5.0.0
>
>         Attachments: 944-3.patch, 944.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Groupby in both outer and inner queries cannot be flattened. We can apply an extra step of client-side aggregation to handle such cases.
> See DerivedTableIT.java for all those examples that are currently not supported.



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