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https://issues.apache.org/jira/browse/SPARK-36073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Toth updated SPARK-36073:
-------------------------------
Description:
Fixes an issue with identifying common expressions in conditional expressions
(a side effect of the above).
Fixes the issue of transparently canonicalized expressions (like
PromotePrecision) are considered common subexpressions.
was:SPARK-35410
(https://github.com/apache/spark/commit/9e1b204bcce4a8fe24c1edd8271197277b5017f4#diff-4d8c210a38fc808fef3e5c966b438591f225daa3c9fd69359446b94c351aa11eR106-R112)
filters out all child expressions, but in some cases that is not necessary.
> EquivalentExpressions fixes and improvements
> --------------------------------------------
>
> Key: SPARK-36073
> URL: https://issues.apache.org/jira/browse/SPARK-36073
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Peter Toth
> Priority: Minor
>
> Fixes an issue with identifying common expressions in conditional expressions
> (a side effect of the above).
> Fixes the issue of transparently canonicalized expressions (like
> PromotePrecision) are considered common subexpressions.
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