ASF GitHub Bot commented on FLINK-7658:

GitHub user suez1224 opened a pull request:


    [FLINK-7658][Table API & SQL] support Collect aggregate function in Table 

    ## What is the purpose of the change
    Add Collect aggregate function for Table API.
    ## Brief change log
      - Add Collect aggregate function for Table API
    ## Verifying this change
      - Added integration tests 
    ## Does this pull request potentially affect one of the following parts:
      - Dependencies (does it add or upgrade a dependency): ( no)
      - The public API, i.e., is any changed class annotated with 
`@Public(Evolving)`: ( no)
      - The serializers: ( no)
      - The runtime per-record code paths (performance sensitive): (no )
      - Anything that affects deployment or recovery: JobManager (and its 
components), Checkpointing, Yarn/Mesos, ZooKeeper: ( no )
      - The S3 file system connector: (no)
    ## Documentation
      - Does this pull request introduce a new feature? (yes)
      - If yes, how is the feature documented? (docs)

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

    $ git pull https://github.com/suez1224/flink FLINK-7658

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 #5472
commit da26176105a7ee3634d9db2834bacf17003c3823
Author: Shuyi Chen <shuyi@...>
Date:   2018-02-13T09:18:12Z

    support Collect aggregate function in Table API


> Support COLLECT Aggregate function in Flink TABLE API
> -----------------------------------------------------
>                 Key: FLINK-7658
>                 URL: https://issues.apache.org/jira/browse/FLINK-7658
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API &amp; SQL
>            Reporter: Shuyi Chen
>            Assignee: Shuyi Chen
>            Priority: Major

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