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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2016/10/14 13:48:20 UTC

[jira] [Created] (FLINK-4832) Count/Sum 0 elements

Timo Walther created FLINK-4832:
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             Summary: Count/Sum 0 elements
                 Key: FLINK-4832
                 URL: https://issues.apache.org/jira/browse/FLINK-4832
             Project: Flink
          Issue Type: Improvement
          Components: Table API & SQL
            Reporter: Timo Walther


Currently, the Table API is unable to count or sum up 0 elements. We should improve DataSet aggregations for this. Maybe by union the original DataSet with a dummy record or by using a MapPartition function. Coming up with a good design for this is also part of this issue.



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