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https://issues.apache.org/jira/browse/SPARK-23080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-23080:
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Assignee: (was: Apache Spark)
> Improve error message for built-in functions
> --------------------------------------------
>
> Key: SPARK-23080
> URL: https://issues.apache.org/jira/browse/SPARK-23080
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Marco Gaido
> Priority: Trivial
>
> When a user puts the wrong number of parameters in a function, an
> AnalysisException is thrown. If the function is a UDF, he user is told how
> many parameters the function expected and how many he/she put. If the
> function, instead, is a built-in one, no information about the number of
> parameters expected and the actual one is provided. This can help in some
> cases, to debug the errors (eg. bad quotes escaping may lead to a different
> number of parameters than expected, etc. etc.)
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