switch to using \\copy rather than copy since the backend typicallyis not able to read the dat file because of permissions (or if it ison a remote machine the file typically will not even exist).bug #1033
tested some of lars changes, we found out that we need to back port some plsql for 4.6.3. see bcms-compat.sql. i have also spotted a change behaviour on bcms::item::get_item_by_url