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Posted to issues@calcite.apache.org by "Liya Fan (Jira)" <ji...@apache.org> on 2021/03/09 03:56:00 UTC

[jira] [Commented] (CALCITE-4525) Pull up predicate will loss some predicates when project contains same RexInputRef.

    [ https://issues.apache.org/jira/browse/CALCITE-4525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17297819#comment-17297819 ] 

Liya Fan commented on CALCITE-4525:
-----------------------------------

[~Ziwei Liu] Thanks for reporting the problem. Could you please provide more details, or show some code?

> Pull up predicate will loss some predicates when project contains same RexInputRef. 
> ------------------------------------------------------------------------------------
>
>                 Key: CALCITE-4525
>                 URL: https://issues.apache.org/jira/browse/CALCITE-4525
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Ziwei Liu
>            Assignee: Ziwei Liu
>            Priority: Major
>
> If project like this a=$0, b=$0
> Pull up predicate is $0='a'
> when pull up through project, predicate will only contain b='a'



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