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Posted to dev@calcite.apache.org by "Haisheng Yuan (Jira)" <ji...@apache.org> on 2020/07/14 21:51:00 UTC

[jira] [Created] (CALCITE-4122) Support on-demand rule matching

Haisheng Yuan created CALCITE-4122:
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             Summary: Support on-demand rule matching 
                 Key: CALCITE-4122
                 URL: https://issues.apache.org/jira/browse/CALCITE-4122
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Haisheng Yuan


Currently in top-down planner, rule is matched whenever a new relnode is added to memo, no matter the group is pruned or not. We should do the rule matching for each operator only when needed, hence rule queue is not required anymore.



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