At http://www.dbforums.com/archive/index.php/t-840449.html a similar issue is discussed. You might be able to use CAST() to get around this problem - the parameter marker might need to be typed.

In reply to Re: Does DB2 support bind variables to user defined functions (UDF)? by pc88mxer
in thread Does DB2 support bind variables to user defined functions (UDF)? by andreas1234567

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