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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6257) Post-pass OVER windows
Date Mon, 17 Apr 2017 09:04:41 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15970882#comment-15970882
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ASF GitHub Bot commented on FLINK-6257:
---------------------------------------

Github user sunjincheng121 commented on the issue:

    https://github.com/apache/flink/pull/3697
  
    @zentol Thank you for the reminder. And I added some change messages.
    Thanks,
    SunJincheng


> Post-pass OVER windows
> ----------------------
>
>                 Key: FLINK-6257
>                 URL: https://issues.apache.org/jira/browse/FLINK-6257
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>    Affects Versions: 1.3.0
>            Reporter: Fabian Hueske
>            Assignee: sunjincheng
>            Priority: Critical
>
> The OVER windows have been implemented by several contributors.
> We should do a post pass over the contributed code and improve a few things.
> * Functionality
> ** Currently every time attribute is allowed as ORDER BY attribute. We must check that
this is actually a time indicator ({{procTime()}}, {{rowTime()}}) and that the order is ASCENDING.
> * Documentation
> ** Add documentation for OVER windows
> * Code style
> ** Consistent naming of {{ProcessFunctions}} and methods
> * Tests
> ** Move the OVER window tests out of SqlITCase into a dedicated class
> ** Move the OVER window tests out of WindowAggregateTest into a dedicated class
> ** Add tests based on the test harness for all {{ProcessFunctions}} similar to {{BoundedProcessingOverRangeProcessFunction}}.
The tests should include exact boundary checks for range windows and check for proper parallelization
with multiple keys.



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