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From twalthr <...@git.apache.org>
Subject [GitHub] flink pull request #4199: [FLINK-6584] [table] Support multiple consecutive ...
Date Tue, 27 Jun 2017 15:04:50 GMT
GitHub user twalthr opened a pull request:

    https://github.com/apache/flink/pull/4199

    [FLINK-6584] [table] Support multiple consecutive windows in SQL

    This allows for accessing rowtime and proctime attributes of windows in SQL. It introduces
`TUMBLE_ROWTIME`, `TUMBLE_PROCTIME` etc. It also allows for multiple consecutive windows such
as:
    
    ```
    SELECT
      TUMBLE_ROWTIME(rowtime, INTERVAL '0.004' SECOND),
      TUMBLE_END(rowtime, INTERVAL '0.004' SECOND),
      COUNT(`int`) as `int`
    FROM (
      SELECT
        TUMBLE_ROWTIME(rowtime, INTERVAL '0.002' SECOND) AS rowtime,
        COUNT(`int`) as `int`
      FROM $table
      GROUP BY TUMBLE(rowtime, INTERVAL '0.002' SECOND)
    )
    GROUP BY TUMBLE(rowtime, INTERVAL '0.004' SECOND)```

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

    $ git pull https://github.com/twalthr/flink FLINK-6584

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

    https://github.com/apache/flink/pull/4199.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 #4199
    
----
commit 28fcb9250e85d02d70a956ea36ade54905b6b56d
Author: twalthr <twalthr@apache.org>
Date:   2017-05-23T13:57:23Z

    [FLINK-6584] [table] Support multiple consecutive windows in SQL

----


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