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https://issues.apache.org/jira/browse/SPARK-30754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen resolved SPARK-30754.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 27491
[https://github.com/apache/spark/pull/27491]
> Reuse results of floorDiv in calculations of floorMod in DateTimeUtils
> ----------------------------------------------------------------------
>
> Key: SPARK-30754
> URL: https://issues.apache.org/jira/browse/SPARK-30754
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Maxim Gekk
> Assignee: Maxim Gekk
> Priority: Minor
> Fix For: 3.1.0
>
>
> A couple methods in DateTimeUtils call Math.floorDiv and Math.floorMod with
> the same arguments. In this way, results of Math.floorDiv can be reused in
> calculation of Math.floorMod. For example, this optimization can be applied
> to the microsToInstant and truncDate.
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