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From "Manu Zhang (JIRA)" <>
Subject [jira] [Created] (GEARPUMP-316) Don't enforce groupBy after window
Date Sat, 27 May 2017 08:13:04 GMT
Manu Zhang created GEARPUMP-316:

             Summary: Don't enforce groupBy after window
                 Key: GEARPUMP-316
             Project: Apache Gearpump
          Issue Type: Sub-task
            Reporter: 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}}.

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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