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Posted to issues@spark.apache.org by "Marco Gaido (JIRA)" <ji...@apache.org> on 2018/01/15 15:59:00 UTC

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

Marco Gaido created SPARK-23080:
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             Summary: 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


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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