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From "Manu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (GEARPUMP-316) Don't enforce groupBy after window
Date Wed, 14 Jun 2017 02:08:00 GMT

     [ https://issues.apache.org/jira/browse/GEARPUMP-316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manu Zhang resolved GEARPUMP-316.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.8.4

Issue resolved by pull request 186
[https://github.com/apache/incubator-gearpump/pull/186]

> Don't enforce groupBy after window
> ----------------------------------
>
>                 Key: GEARPUMP-316
>                 URL: https://issues.apache.org/jira/browse/GEARPUMP-316
>             Project: Apache Gearpump
>          Issue Type: Sub-task
>          Components: streaming
>            Reporter: Manu Zhang
>            Assignee: Manu Zhang
>             Fix For: 0.8.4
>
>
> 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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