Serge Rielau created SPARK-49931:
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             Summary: Named parameter invocation does not obey 
case--in-sensitivity rules for identifiers
                 Key: SPARK-49931
                 URL: https://issues.apache.org/jira/browse/SPARK-49931
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 3.4.0
            Reporter: Serge Rielau
             Fix For: 4.0.0


The following should work as long as identifiers are case-insensitive (which is 
the default):

{{SELECT mask('AaBb123-&^ % 서울 Ä', lowerchar => 'z', otherchar => 'X');}}

Returns this error:
{quote}[[UNRECOGNIZED_PARAMETER_NAME|https://docs.databricks.com/error-messages/error-classes.html#unrecognized_parameter_name]]
 Cannot invoke function `mask` because the function call included a named 
argument reference for the argument named `lowerchar`, but this function does 
not include any signature containing an argument with this name. Did you mean 
one of the following? [`lowerChar` `otherChar` `upperChar`]. SQLSTATE: 4274K

 
{quote}



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