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Posted to dev@calcite.apache.org by "MinJi Kim (JIRA)" <ji...@apache.org> on 2017/08/07 21:45:00 UTC

[jira] [Created] (CALCITE-1932) Project.getPermutation() should return null if a column is repeated

MinJi Kim created CALCITE-1932:
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             Summary: Project.getPermutation() should return null if a column is repeated
                 Key: CALCITE-1932
                 URL: https://issues.apache.org/jira/browse/CALCITE-1932
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: MinJi Kim
            Assignee: Julian Hyde


Project.getPermutation() returns true when the project is referencing [$1, $1].  If a column repeats, it should not be considered a permutation.



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