cast user defined type

[Jason Reilly]

Hi all,

I am using OpenJPA 2.4 & Postgresql 9.  I have a custom user defined 
column & would like to cast it using criteriabuilder. The following is 
close to what I want, but not exactly:


critBuilder.function("cast", String.class, root.<String> get("strand")), "+")


This generates the following:


cast(t0.strand) = ?


What I want is closer to this:


cast(t0.strand as varchar) = ?


Any clues would be helpful as to how to properly cast this field.  I 
know about ValueHandler's & FieldStrategy's, but would prefer to avoid 
writing one.


Thanks,
Jason