Invalid 39004 message when function has primitive type parameter but null is 
passed into String type parameter
--------------------------------------------------------------------------------------------------------------

                 Key: DERBY-1950
                 URL: http://issues.apache.org/jira/browse/DERBY-1950
             Project: Derby
          Issue Type: Bug
    Affects Versions: 10.1.3.1
         Environment: N/A
            Reporter: Oleksandr Alesinskyy
            Priority: Minor


create function countDelimitersBefore(
        str varchar(512), 
        delimiter char(1),
        pos integer)
        returns integer
language java parameter style java
external name 'de.ntec.common.util.DBStringUtils.countDelimitersBefore';

select  countDelimitersBefore(someColumn,'/',1) from someTable;

where value of SomeColumn is NULL inappropriatly results in

SQL State = 39004 SQL Code = -1 SQL Message = A NULL value cannot be passed to 
a method which takes a parameter of primitive type 'int'. Exception message = 
org.apache.derby.client.am.SqlException: A NULL value cannot be passed to a 
method which takes a parameter of primitive type 'int'.

As far as I can see in 10.2.1.6 this bug is fixed.



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