You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Steve Carlin (Jira)" <ji...@apache.org> on 2022/06/27 13:54:00 UTC

[jira] [Resolved] (HIVE-25528) Avoid recalculating types after CBO on second AST pass

     [ https://issues.apache.org/jira/browse/HIVE-25528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Carlin resolved HIVE-25528.
---------------------------------
    Resolution: Fixed

> Avoid recalculating types after CBO on second AST pass
> ------------------------------------------------------
>
>                 Key: HIVE-25528
>                 URL: https://issues.apache.org/jira/browse/HIVE-25528
>             Project: Hive
>          Issue Type: Improvement
>          Components: HiveServer2
>            Reporter: Steve Carlin
>            Assignee: Steve Carlin
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> It should be possible to avoid recalculating and reevaluating types on the second pass after going through CBO.  CBO is making the effort to change the types so to reassess them is a waste of time.



--
This message was sent by Atlassian Jira
(v8.20.7#820007)