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https://issues.apache.org/jira/browse/CALCITE-2343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16817169#comment-16817169
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Chunwei Lei commented on CALCITE-2343:
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I opened a new pull request: [https://github.com/apache/calcite/pull/1162].
[~vladimirsitnikov], Would you please review it?
> PushProjector with OVER expression causing infinite loop
> --------------------------------------------------------
>
> Key: CALCITE-2343
> URL: https://issues.apache.org/jira/browse/CALCITE-2343
> Project: Calcite
> Issue Type: Bug
> Reporter: Laurent Goujon
> Assignee: Chunwei Lei
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> When applying the {{ProjectJoinTransposeRule}} on a project with a Rex
> expression containing a RexOver call (using HepPlanner), this might cause an
> infinite loop (and ultimately a StackOverflowError exception) as
> PushProjector identify the RexOver call as to be push down under the join,
> but doesn't not rewrite correctly the top Project expression.
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