[jira] [Assigned] (FLINK-6257) Post-pass OVER windows

["sunjincheng (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-6257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sunjincheng reassigned FLINK-6257:
----------------------------------

    Assignee: 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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