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Posted to issues@calcite.apache.org by "Haisheng Yuan (Jira)" <ji...@apache.org> on 2020/05/18 22:50:00 UTC

[jira] [Created] (CALCITE-4008) Implement Code generation for EnumerableSortedAggregate

Haisheng Yuan created CALCITE-4008:
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             Summary: Implement Code generation for EnumerableSortedAggregate
                 Key: CALCITE-4008
                 URL: https://issues.apache.org/jira/browse/CALCITE-4008
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Haisheng Yuan


EnumerableSortedAggregate is added in 1.23.0, but doesn't implement code generation. It would be nice if we can add code generation for it, so that more efficient plan can be generated and used for some queries, e.g.

{code:java}
select foo.a, max(b) from
   foo join bar on foo.a=bar.a 
   group by a order by a desc;
{code}





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