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Posted to issues@calcite.apache.org by "Danny Chen (Jira)" <ji...@apache.org> on 2019/12/10 09:36:00 UTC

[jira] [Created] (CALCITE-3584) Support SQL hints propagation for decorrelation

Danny Chen created CALCITE-3584:
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             Summary: Support SQL hints propagation for decorrelation
                 Key: CALCITE-3584
                 URL: https://issues.apache.org/jira/browse/CALCITE-3584
             Project: Calcite
          Issue Type: Improvement
          Components: core
    Affects Versions: 1.21.0
            Reporter: Danny Chen
            Assignee: Danny Chen
             Fix For: 1.22.0


In CALCITE-482, we have support a basic SQL hints framework to let other engines to extend and have their own hints implementations. But for the decorrelation, the hints would just lost.

We should support that because most of the sub-queries needs decorrelation.



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