Steven Dahlin <pgdb(dot)sldahlin(at)gmail(dot)com> writes:
> In trying to call a postgresql 8.4 stored function I am passing a
> class as well as a List (I have to save a master record as well as the
> detail records). This is being done with a native query using
> EclipseLink 2.1. However, I am getting back a message for the first
> item:
> PSQLException: Can't infer the SQL type to use for an instance of
> com.hwcs.veri.shared.dto.MyClass. Use setObject() with an explicit
> Types value to specify the type to use.
That looks like a complaint from JDBC, so possibly you'd have better
luck asking on pgsql-jdbc.
regards, tom lane