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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (GEARPUMP-316) Don't enforce groupBy after window
Date Wed, 07 Jun 2017 07:51:18 GMT


ASF GitHub Bot commented on GEARPUMP-316:

Github user manuzhang commented on the issue:
    @huafengw. updated and the `GroupByPartitioner` has been moved to the `partitioner` package

> Don't enforce groupBy after window
> ----------------------------------
>                 Key: GEARPUMP-316
>                 URL:
>             Project: Apache Gearpump
>          Issue Type: Sub-task
>          Components: streaming
>            Reporter: Manu Zhang
>            Assignee: Manu Zhang
> Return a normal Stream instead of WindowStream on window function. Window function defines
a boundary (window) for elements and the following operations should fall in corresponding
boundaries. The boundary should not change until a new window function is defined. The default
boundary is the {{GlobalWindows}} if not defined.
> This means there will be a window context for each underlying task. Elements are emitted
in terms of the trigger semantics. 

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