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https://issues.apache.org/jira/browse/CALCITE-2902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis resolved CALCITE-2902.
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Resolution: Fixed
Fixed in
[f33e1b8f5609f11b039577694023241156951c08|https://github.com/apache/calcite/commit/f33e1b8f5609f11b039577694023241156951c08].
Thanks for the reviews [~sereda] and [~danny0405]!
> Improve performance of AbstractRelNode#computeDigest
> ----------------------------------------------------
>
> Key: CALCITE-2902
> URL: https://issues.apache.org/jira/browse/CALCITE-2902
> Project: Calcite
> Issue Type: Improvement
> Affects Versions: 1.18.0
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.19.0
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Compute digest is a method which is called very often in multiple places.
> More frequently we end up here by calls through the VolcanoPlanner when we
> need to register a relational expression which is another very common
> operation. The profiler shows that we are spending quite some time in this
> method.
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