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Posted to issues@calcite.apache.org by "Jiatao Tao (Jira)" <ji...@apache.org> on 2020/11/19 02:49:00 UTC

[jira] [Commented] (CALCITE-4013) Remove traitset derivation when creating logical operators

    [ https://issues.apache.org/jira/browse/CALCITE-4013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17235137#comment-17235137 ] 

Jiatao Tao commented on CALCITE-4013:
-------------------------------------

Hi haisheng, maybe I can take a look.

> Remove traitset derivation when creating logical operators
> ----------------------------------------------------------
>
>                 Key: CALCITE-4013
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4013
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Haisheng Yuan
>            Assignee: Jiatao Tao
>            Priority: Major
>         Attachments: image-2020-06-12-08-46-26-846.png
>
>
> Profiler shows traitset derivation accounts for 65% of the total runtime of LoigcalProject.create(). Anyway, EnumerableProject will do it again.



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