INSERT INTO public._reference21 select * from dblink (
'host=localhost user=postgres password=NeProstoParolAParolishe dbname=test_2',
'select _idrref, _version, _marked, _predefinedid, _code, _description from _reference21'
) as users (
_idrref bytea,
_version int,
_marked boolean,
_predefinedid bytea,
_code varchar(9),
_description varchar(150)
)