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From "Kurt Young (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-6150) change DataSetCost to FlinkRelOptCost
Date Wed, 22 Mar 2017 06:08:41 GMT
Kurt Young created FLINK-6150:
---------------------------------

             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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