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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2980) Add CUBE/ROLLUP/GROUPING SETS operator in Table API.
Date Mon, 19 Dec 2016 10:48:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15760838#comment-15760838

ASF GitHub Bot commented on FLINK-2980:

GitHub user chermenin opened a pull request:


    [FLINK-2980] [table] Support for GROUPING SETS clause in Table API.

    Support for operators GROUPING SETS / ROLLUP / CUBE in Table AP was added in this PR.
    Also added some tests for check execution of SQL queries with them and improved documentation.
    PR will close next issue: https://issues.apache.org/jira/browse/FLINK-2980.
    This PR must be reviewed and merged only after PR #2976.

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

    $ git pull https://github.com/chermenin/flink flink-2980

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 #3026
commit d88bd67c82249a2533d58b1ff231adb1a441e6a3
Author: Alexander Chermenin <alex@chermenin.ru>
Date:   2016-12-10T20:09:25Z

    [FLINK-2980] Base implementation of grouping sets.

commit 70c12a240b85333ab3a801e2f4f6ee6d1e961427
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T08:58:17Z

    [FLINK-2980] Implemented grouped expressions.

commit de15fdddb35fac5002ae76ec9cec6aa14c9ffef0
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T10:18:42Z

    [FLINK-2980] Added grouping functions.

commit 5468db9fd39c26e752554445af5cd2a0e1da5aae
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T11:39:09Z

    [FLINK-2980] Improved expressions parser.

commit e6aa37255695e0d23d7df43934a88ff53737d303
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T12:05:25Z

    [FLINK-2980] Added support for grouping functions.

commit a3d30f39b91ee85d76da4e034b20e6f63ef50fd7
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T12:54:19Z

    [FLINK-2980] Small fixes.

commit 8e8d7e16e12c3f50c4a93a1961e975860fb0e4a5
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-12T13:32:57Z

    [FLINK-2980] Windowed table with grouping sets.

commit b13382b3328e1b244dae624c45c5c01580d80098
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-15T10:13:45Z

    [FLINK-2980] Added tests.

commit 6f5371882bf354b73587d4a7f9e526c911794eba
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-15T10:27:44Z

    [FLINK-2980] Small fixes.

commit 36ce2bf704a8798f398719b634c30003765c7bbf
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-16T08:12:07Z

    [FLINK-2980] Improved documentation.

commit 8d2824f37ebb7215fb901fc10a868717f424eb56
Author: Aleksandr Chermenin <aleksandr_chermenin@epam.com>
Date:   2016-12-16T09:42:30Z

    [FLINK-2980] Small docs improvements.


> Add CUBE/ROLLUP/GROUPING SETS operator in Table API.
> ----------------------------------------------------
>                 Key: FLINK-2980
>                 URL: https://issues.apache.org/jira/browse/FLINK-2980
>             Project: Flink
>          Issue Type: New Feature
>          Components: Documentation, Table API & SQL
>            Reporter: Chengxiang Li
>            Assignee: Alexander Chermenin
>         Attachments: Cube-Rollup-GroupSet design doc in Flink.pdf
> Computing aggregates over a cube/rollup/grouping sets of several dimensions is a common
operation in data warehousing. It would be nice to have them in Table API.

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