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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