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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:
Currently `EquivalentExpressions` has 2 issues:
- identifying common expressions in conditional expressions is not correct in
all cases
- transparently canonicalized expressions (like `PromotePrecision`) are
considered common subexpressions
was:
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.
> 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
>
> Currently `EquivalentExpressions` has 2 issues:
> - identifying common expressions in conditional expressions is not correct in
> all cases
> - transparently canonicalized expressions (like `PromotePrecision`) are
> considered common subexpressions
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