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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5767) New aggregate function interface and built-in aggregate functions
Date Sat, 18 Feb 2017 09:52:44 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15873081#comment-15873081

ASF GitHub Bot commented on FLINK-5767:

GitHub user shaoxuan-wang opened a pull request:


    [FLINK-5767] [Table] New aggregate function interface and built-in aggregate functions

    Thanks for contributing to Apache Flink. Before you open your pull request, please take
the following check list into consideration.
    If your changes take all of the items into account, feel free to open your pull request.
For more information and/or questions please refer to the [How To Contribute guide](http://flink.apache.org/how-to-contribute.html).
    In addition to going through the list, please provide a meaningful description of your
    - [X] General
      - The pull request references the related JIRA issue ("[FLINK-XXX] Jira title text")
      - The pull request addresses only one issue
      - Each commit in the PR has a meaningful commit message (including the JIRA id)
    - [ ] Documentation
      - Documentation has been added for new functionality
      - Old documentation affected by the pull request has been updated
      - JavaDoc for public methods has been added
    - [X] Tests & Build
      - Functionality added by the pull request is covered by tests
      - `mvn clean verify` has been executed successfully locally or a Travis build has passed

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

    $ git pull https://github.com/shaoxuan-wang/flink F5767-submit

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


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

    This closes #3354
commit 6a2937a94fb2a00345fb5792a8c00c604fbee2c7
Author: Shaoxuan Wang <wshaoxuan@gmail.com>
Date:   2017-02-18T09:18:38Z

    [FLINK-5767] [Table] New aggregate function interface and built-in aggregate functions


> New aggregate function interface and built-in aggregate functions
> -----------------------------------------------------------------
>                 Key: FLINK-5767
>                 URL: https://issues.apache.org/jira/browse/FLINK-5767
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: Shaoxuan Wang
>            Assignee: Shaoxuan Wang
> Add a new aggregate function interface. This includes implementing the aggregate interface,
migrating the existing aggregation functions to this interface, and adding the unit tests
for these functions.

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