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Posted to issues@calcite.apache.org by "Rui Wang (Jira)" <ji...@apache.org> on 2020/06/09 01:23:00 UTC

[jira] [Created] (CALCITE-4052) Enable Top-down Optimization

Rui Wang created CALCITE-4052:
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             Summary: Enable Top-down Optimization
                 Key: CALCITE-4052
                 URL: https://issues.apache.org/jira/browse/CALCITE-4052
             Project: Calcite
          Issue Type: Task
            Reporter: Rui Wang


We can enable top-down opt globally by updating saffron.properties. 

Some tests will fail because top-down opt changes the output plan.

The easiest way is to update those tests to make them match the output plan produced after top-down opt.

Alternatively, we might change testing framework to verify two output plans: one for top-down opt, another for when top-down opt not enabled.



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