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Posted to issues@calcite.apache.org by "Botong Huang (Jira)" <ji...@apache.org> on 2020/04/20 18:11:00 UTC

[jira] [Commented] (CALCITE-3939) Change UnionEliminatorRule and ProjectRemoveRule to auto pruning SubstitutionRule

    [ https://issues.apache.org/jira/browse/CALCITE-3939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17087987#comment-17087987 ] 

Botong Huang commented on CALCITE-3939:
---------------------------------------

Title changed, please let me know if it is clearer, thx!

> Change UnionEliminatorRule and ProjectRemoveRule to auto pruning SubstitutionRule
> ---------------------------------------------------------------------------------
>
>                 Key: CALCITE-3939
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3939
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Botong Huang
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> UnionEliminatorRule and ProjectRemoveRule are both pruning rules for a RelNode. They can also become SubstitutionRule with autoprune enabled



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