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From "Jess Balint (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CALCITE-1631) RelMdUniqueKeys doesn't handle TableScan
Date Mon, 13 Feb 2017 23:13:41 GMT
Jess Balint created CALCITE-1631:
------------------------------------

             Summary: RelMdUniqueKeys doesn't handle TableScan
                 Key: CALCITE-1631
                 URL: https://issues.apache.org/jira/browse/CALCITE-1631
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Jess Balint
            Assignee: Julian Hyde
            Priority: Minor


In contrast to {{RelMdColumnUniqueness}}, which delegates to {{RelOptTable.isKey()}}, {{RelMdUniqueKeys}}
does not handle a {{TableScan}}. This can be fixed by exposing the unique keys via the {{RelOptTable}}
interface and delegating the call in the same fashion.



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