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From "sunjincheng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-5957) Remove `getAccumulatorType` method from `AggregateFunction`
Date Fri, 03 Mar 2017 10:31:45 GMT
sunjincheng created FLINK-5957:
----------------------------------

             Summary: Remove  `getAccumulatorType` method from `AggregateFunction`
                 Key: FLINK-5957
                 URL: https://issues.apache.org/jira/browse/FLINK-5957
             Project: Flink
          Issue Type: Sub-task
            Reporter: sunjincheng
            Assignee: sunjincheng


Build-in aggregateFunction need not implement the  `getAccumulatorType` method. 
We can get TypeInformation by  `TypeInformation.of() ` or `TypeInformation.of(new TypeHint[AGG.type](){})`.

What do you think? [~fhueske] [~shaoxuan] 



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