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From "Julian Hyde (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CALCITE-1634) Make RelBuilder.distinct no-op if input is already distinct
Date Tue, 14 Feb 2017 22:13:41 GMT
Julian Hyde created CALCITE-1634:
------------------------------------

             Summary: Make RelBuilder.distinct no-op if input is already distinct
                 Key: CALCITE-1634
                 URL: https://issues.apache.org/jira/browse/CALCITE-1634
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde


If the input is already distinct (i.e. some subset of the columns form a key), the {{RelBuilder.distinct}}
method should do nothing.



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