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From "Sudheesh Katkam (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-4043) FindLimit0Visitor should be applied after Calcite logical transformation
Date Tue, 05 Apr 2016 05:19:25 GMT

     [ https://issues.apache.org/jira/browse/DRILL-4043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sudheesh Katkam updated DRILL-4043:
-----------------------------------
    Assignee:     (was: Sudheesh Katkam)

> FindLimit0Visitor should be applied after Calcite logical transformation
> ------------------------------------------------------------------------
>
>                 Key: DRILL-4043
>                 URL: https://issues.apache.org/jira/browse/DRILL-4043
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Sudheesh Katkam
>
> FindLimit0Visitor optimization is applied after Drill logical transformation (i.e. working
on DrillRel node tree), and not after Calcite logical transformation. 
> {{RelShuttle}} is meant to be applied on Calcite logical tree. So none of the visitor
methods except {{visit(RelNode other)}} are actually executed, and search termination never
happens.



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