foreign key column when relationshipRole is not targetMany

Is somebody known how finding the foreign key columns when 
relationshipRole is not targetMany?

I try to do

#foreach($fkey in $target.getPrimaryKeyColumns())
${fkey.sqlName.toLowerCase()}")
#end

where target is the relationshipRole one.

Of course it is not correct as if there is 2 attributes of the same classe 
they will have the same FK.

I find how to do this with targetMany by using the ColumnMaps attribute of the RelationshipRole object but when the relation 
is not targetMany the list is empty.

Nicolas


-------------------------------------------------------
This SF.Net email is sponsored by: InterSystems CACHE
FREE OODBMS DOWNLOAD - A multidimensional database that combines
robust object and relational technologies, making it a perfect match
for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8