$join_sql=' LEFT JOIN '.$db->get_table_prefix().'catalogue_efv_'.$table.' f'.strval($field_id).'_'.$catalogue_key.' ON f'.strval($field_id).'_'.$catalogue_key.'.ce_id='.$table_join_code_here.'.id AND f'.strval($field_id).'_'.$catalogue_key.'.cf_id='.strval($field_id);