[jira] [Created] (CALCITE-581) Add LogicalSort and make Sort abstract

[Julian Hyde (JIRA)]

Julian Hyde created CALCITE-581:
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             Summary: Add LogicalSort and make Sort abstract
                 Key: CALCITE-581
                 URL: https://issues.apache.org/jira/browse/CALCITE-581
             Project: Calcite
          Issue Type: Bug
            Reporter: Julian Hyde
            Assignee: Julian Hyde






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