Helper functions for DBIC
Copyright (C) 2014-2018 OpusVL https://opusvl.com community@opusvl.com
This library is free software; you can redistribute it and/or modify it under the terms of either; a) the GNU General Public License as published by the Free Software Foundation; either version 1, or (at your option) any later version, or b) the "Artistic License".