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$this->db->query("INSERT INTO " . DB_PREFIX . "attribute_group SET sort_order = '" . (int)$data['sort_order'] . "'");

$attribute_group_id = $this->db->getLastId();

foreach ($data['attribute_group_description'] as $language_id => $value) {
	$this->db->query("INSERT INTO " . DB_PREFIX . "attribute_group_description SET attribute_group_id = '" . (int)$attribute_group_id . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($value['name']) . "'");
}

$this->db->query("UPDATE " . DB_PREFIX . "attribute_group SET sort_order = '" . (int)$data['sort_order'] . "' WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");

$this->db->query("DELETE FROM " . DB_PREFIX . "attribute_group_description WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");

foreach ($data['attribute_group_description'] as $language_id => $value) {
	$this->db->query("INSERT INTO " . DB_PREFIX . "attribute_group_description SET attribute_group_id = '" . (int)$attribute_group_id . "', language_id = '" . (int)$language_id . "', name = '" . $this->db->escape($value['name']) . "'");
}

$this->db->query("DELETE FROM " . DB_PREFIX . "attribute_group WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");
$this->db->query("DELETE FROM " . DB_PREFIX . "attribute_group_description WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "attribute_group WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");

return $query->row;

$sql = "SELECT * FROM " . DB_PREFIX . "attribute_group ag LEFT JOIN " . DB_PREFIX . "attribute_group_description agd ON (ag.attribute_group_id = agd.attribute_group_id) WHERE agd.language_id = '" . (int)$this->config->get('config_language_id') . "'";

$sort_data = array(
	'agd.name',
	'ag.sort_order'
);	

if (isset($data['sort']) && in_array($data['sort'], $sort_data)) {
	$sql .= " ORDER BY " . $data['sort'];	
} else {
	$sql .= " ORDER BY agd.name";	
}	

if (isset($data['order']) && ($data['order'] == 'DESC')) {
	$sql .= " DESC";
} else {
	$sql .= " ASC";
}

if (isset($data['start']) || isset($data['limit'])) {
	if ($data['start'] < 0) {
		$data['start'] = 0;
	}				

	if ($data['limit'] < 1) {
		$data['limit'] = 20;
	}	

	$sql .= " LIMIT " . (int)$data['start'] . "," . (int)$data['limit'];
}	

$query = $this->db->query($sql);

return $query->rows;

$attribute_group_data = array();

$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "attribute_group_description WHERE attribute_group_id = '" . (int)$attribute_group_id . "'");

foreach ($query->rows as $result) {
	$attribute_group_data[$result['language_id']] = array('name' => $result['name']);
}

return $attribute_group_data;

$query = $this->db->query("SELECT COUNT(*) AS total FROM " . DB_PREFIX . "attribute_group");

return $query->row['total'];