[jira] [Assigned] (SPARK-23080) Improve error message for built-in functions

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-23080:
------------------------------------

    Assignee: 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
>            Assignee: Apache Spark
>            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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