SYNOPSIS
use Class::DBI::Loader;
# $loader is a Class::DBI::Loader::Pg
my $loader = Class::DBI::Loader->new(
dsn => "dbi:Pg:dbname=dbname",
user => "postgres",
password => "",
namespace => "Data",
);
my $class = $loader->find_class('film'); # $class => Data::Film
my $obj = $class->retrieve(1);