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https://issues.apache.org/jira/browse/DRILL-2633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14389489#comment-14389489
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Sean Hsuan-Yi Chu commented on DRILL-2633:
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Review board:
https://reviews.apache.org/r/32701
> Visitors (PreProcessLogicalRel and UnsupportedOperatorsVisitor) are shared
> unsafely
> -----------------------------------------------------------------------------------
>
> Key: DRILL-2633
> URL: https://issues.apache.org/jira/browse/DRILL-2633
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Sean Hsuan-Yi Chu
> Priority: Critical
> Attachments: DRILL-2633.1.patch
>
>
> PreProcessLogicalRel and UnsupportedOperatorsVisitor are currently shared
> among queries; This will lead to non-deterministic failure (thanks
> [~adeneche]'s discover!).
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