-- +--------------------------------------------------------------------+
-- | CiviCRM version 3.2                                                |
-- +--------------------------------------------------------------------+
-- | Copyright CiviCRM LLC (c) 2004-2010                                |
-- +--------------------------------------------------------------------+
-- | This file is a part of CiviCRM.                                    |
-- |                                                                    |
-- | CiviCRM is free software; you can copy, modify, and distribute it  |
-- | under the terms of the GNU Affero General Public License           |
-- | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
-- |                                                                    |
-- | CiviCRM is distributed in the hope that it will be useful, but     |
-- | WITHOUT ANY WARRANTY; without even the implied warranty of         |
-- | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
-- | See the GNU Affero General Public License for more details.        |
-- |                                                                    |
-- | You should have received a copy of the GNU Affero General Public   |
-- | License and the CiviCRM Licensing Exception along                  |
-- | with this program; if not, contact CiviCRM LLC                     |
-- | at info[AT]civicrm[DOT]org. If you have questions about the        |
-- | GNU Affero General Public License or the licensing of CiviCRM,     |
-- | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
-- +--------------------------------------------------------------------+

DELIMITER |

CREATE TRIGGER   civicrm_contact_ad
BEFORE DELETE ON civicrm_contact
FOR EACH ROW
BEGIN
  -- we delete the corresponding entity_id/entity_table entries
  -- from all the linked tables (note, log etc)
  DELETE FROM civicrm_note
        WHERE entity_id    = OLD.id
          AND entity_table = 'civicrm_contact';
  DELETE FROM civicrm_log
        WHERE entity_id    = OLD.id
          AND entity_table = 'civicrm_contact';
  DELETE FROM civicrm_task_status
        WHERE responsible_entity_id    = OLD.id
          AND responsible_entity_table = 'civicrm_contact';

END;

CREATE TRIGGER   civicrm_contribution_ad
BEFORE DELETE ON civicrm_contribution
FOR EACH ROW
BEGIN
  -- we delete the corresponding entity_id/entity_table entries
  -- from all the linked tables (note, log etc)
  DELETE FROM civicrm_note WHERE entity_id = OLD.id AND entity_table = 'civicrm_contribution';
END;

CREATE TRIGGER   civicrm_participant_ad
BEFORE DELETE ON civicrm_participant
FOR EACH ROW
BEGIN
  -- we delete the corresponding entity_id/entity_table entries
  -- from all the linked tables (note, log etc)
  DELETE FROM civicrm_note WHERE entity_id = OLD.id AND entity_table = 'civicrm_participant';
  DELETE FROM civicrm_log  WHERE entity_id = OLD.id AND entity_table = 'civicrm_participant';
END;

|

DELIMITER ;