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https://issues.apache.org/jira/browse/SPARK-51371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-51371.
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Fix Version/s: 4.1.0
Resolution: Fixed
Issue resolved by pull request 50136
[https://github.com/apache/spark/pull/50136]
> Change toString to toPrettySQL when building Aliases in
> ResolveAggregateFunctions
> ---------------------------------------------------------------------------------
>
> Key: SPARK-51371
> URL: https://issues.apache.org/jira/browse/SPARK-51371
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Mihailo Aleksic
> Assignee: Mihailo Aleksic
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> When building Aliases in ResolveAggregateFunctions, toString is used which
> leads to Alias names having expressions ids in them. As a consequence we have
> Dataframe programs with nondetermistic behavior (sometimes they fail
> sometimes they pass because expression ids change) and I propose to fix with
> using toPrettySQL instead of toString.
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