function post_purgeItem()
{
global $DB;
parent::post_purgeItem();
$ticket = new Ticket();
$itemtype_id = $ticket->getSearchOptionIDByField('field', 'itemtype', 'glpi_tickets');
$items_id_id = $ticket->getSearchOptionIDByField('field', 'items_id', 'glpi_tickets');
// Try to delete itemtype -> delete items_id
if ($this->fields['num'] == $itemtype_id) {
$query = "SELECT `id`\n FROM `" . $this->getTable() . "`\n WHERE `" . static::$items_id . "` = '" . $this->fields['tickettemplates_id'] . "'\n AND `num` = '{$items_id_id}'";
if ($result = $DB->query($query)) {
if ($DB->numrows($result)) {
$a = new self();
$a->delete(array('id' => $DB->result($result, 0, 0)));
}
}
}
}