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https://issues.apache.org/jira/browse/CALCITE-2343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hongze Zhang resolved CALCITE-2343.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.20.0
Fixed in
[b03cdc486cf5c7232bbc6fa9b5f02f564e9601c3|https://gitbox.apache.org/repos/asf?p=calcite.git;a=commit;h=b03cdc486cf5c7232bbc6fa9b5f02f564e9601c3].
> 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
> Fix For: 1.20.0
>
> Time Spent: 4h 20m
> 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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