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Posted to issues@calcite.apache.org by "Sean Hsuan-Yi Chu (JIRA)" <ji...@apache.org> on 2015/09/27 01:30:04 UTC

[jira] [Created] (CALCITE-900) ProjectSetOpTransposeRule can be improved when the input is a SetOperator with Trivial Project on top

Sean Hsuan-Yi Chu created CALCITE-900:
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             Summary: ProjectSetOpTransposeRule can be improved when the input is a SetOperator with Trivial Project on top
                 Key: CALCITE-900
                 URL: https://issues.apache.org/jira/browse/CALCITE-900
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Sean Hsuan-Yi Chu
            Assignee: Sean Hsuan-Yi Chu


When SetOperator with Trivial Project on top, pushing this trivial project does not necessary. An improvement can be done if we just discard this trivial project. 



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