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Posted to issues@calcite.apache.org by "Vladimir Sitnikov (Jira)" <ji...@apache.org> on 2021/03/28 17:28:00 UTC

[jira] [Created] (CALCITE-4557) Sort costing should account the number of sort keys

Vladimir Sitnikov created CALCITE-4557:
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             Summary: Sort costing should account the number of sort keys
                 Key: CALCITE-4557
                 URL: https://issues.apache.org/jira/browse/CALCITE-4557
             Project: Calcite
          Issue Type: Improvement
          Components: core
    Affects Versions: 1.26.0
            Reporter: Vladimir Sitnikov


Current costing for sort does not account for the number of keys in the comparison function which might result in worse plan selection.



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