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https://issues.apache.org/jira/browse/SPARK-31993?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-31993.
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Fix Version/s: 3.1.0
Assignee: Jungtaek Lim
Resolution: Fixed
> Generated code in 'concat_ws' fails to compile when splitting method is in
> effect
> ---------------------------------------------------------------------------------
>
> Key: SPARK-31993
> URL: https://issues.apache.org/jira/browse/SPARK-31993
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.3.4, 2.4.6, 3.0.0, 3.1.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Priority: Major
> Fix For: 3.1.0
>
>
> https://github.com/apache/spark/blob/a0187cd6b59a6b6bb2cadc6711bb663d4d35a844/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala#L88-L195
> There're three parts of generated code in concat_ws (codes, varargCounts,
> varargBuilds) and all parts try to split method by itself, while
> `varargCounts` and `varargBuilds` refer on the generated code in `codes`,
> hence the overall generated code fails to compile if any of part succeeds to
> split.
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