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Posted to issues@flink.apache.org by "Kurt Young (JIRA)" <ji...@apache.org> on 2017/03/22 06:08:41 UTC

[jira] [Created] (FLINK-6150) change DataSetCost to FlinkRelOptCost

Kurt Young created FLINK-6150:
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             Summary: change DataSetCost to FlinkRelOptCost
                 Key: FLINK-6150
                 URL: https://issues.apache.org/jira/browse/FLINK-6150
             Project: Flink
          Issue Type: Sub-task
            Reporter: Kurt Young


Currently the only {{RelOptCost}} we have is {{DataSetCost}}, but it's also used in StreamTableEnvironment. And once we introduce an additional logical operator layer, we also need a cost representation. Renaming {{DataSetCost}} to {{FlinkRelOptCost}} and use it in both logical and physical environment seems to be a possible solution.



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