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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2287) UDAF support
Date Tue, 27 Jun 2017 05:17:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064280#comment-16064280
] 

ASF GitHub Bot commented on BEAM-2287:
--------------------------------------

GitHub user XuMingmin opened a pull request:

    https://github.com/apache/beam/pull/3447

    [BEAM-2287] UDAF support

    R: @xumingming @takidau 
    
    add an abstract class `BeamSqlUdaf` following the UDAF definition in Calcite, also COUNT/SUM/AVG/MAX/MIN/
are rewritten with this new format.
    
    Note that the unit test is ignored after rebase BEAM-2446. Will re-open it in BEAM-2520.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/XuMingmin/beam BEAM-2287

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/beam/pull/3447.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3447
    
----
commit eab43c0830655e4497693a9e24f6a560ba742858
Author: mingmxu <mingmxu@ebay.com>
Date:   2017-06-26T23:03:51Z

    support of UDAF + rebase

----


> UDAF support
> ------------
>
>                 Key: BEAM-2287
>                 URL: https://issues.apache.org/jira/browse/BEAM-2287
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
>              Labels: dsl_sql_merge
>
> Create an aggregation wrapper, to accept UDAF functions, with {{AggregateFunctionImpl}};



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