public function deletePageById($pageId)
{
$this->_flushCache();
$where[] = $this->_db->quoteInto('id = ?', $pageId);
$this->delete($where);
//delete content nodes
unset($where);
$mdlNodes = new Model_ContentNode();
$where[] = $this->_db->quoteInto('parent_id = ?', 'page_' . $pageId);
$mdlNodes->delete($where);
//delete meta data
$mdlMeta = new Model_MetaData();
$mdlMeta->deleteByPageId($pageId);
}
