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Posted to issues@calcite.apache.org by "Julian Hyde (JIRA)" <ji...@apache.org> on 2019/02/15 18:34:00 UTC

[jira] [Commented] (CALCITE-2851) Simplification: track visited nodes in paranoid mode

    [ https://issues.apache.org/jira/browse/CALCITE-2851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16769580#comment-16769580 ] 

Julian Hyde commented on CALCITE-2851:
--------------------------------------

What would we do with that information? Throw an error? I'd rather not pay the price of gathering information if we don't do anything with it.

> Simplification: track visited nodes in paranoid mode
> ----------------------------------------------------
>
>                 Key: CALCITE-2851
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2851
>             Project: Calcite
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>
> Idea is to have an object which could track all the visited nodes, goal is to identify if we have rules which are about to re-visit a previously visited node again.



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