perl -MDBIx::Class::Schema::Loader=make_schema_at,dump_to_dir:./lib -e 
              'make_schema_at("My::Schema", { debug => 1, db_schema => 
              "myschemaname", use_namespaces => 1, components => 
              ["InflateColumn::DateTime"] }, 
              ["dbi:Pg:host=localhost;dbname=mydbname", "user", "pass" ])'