public function buildInQueryBindings ($values, $prefix = "in_", &$bound_parameters = array()) {

		$sql 				= "()";

		if (is_array($values) && count($values) > 0) {
			$sql = array();
			$values = array_values($values);

			foreach ($values as $index => $value) {
				$label_name = $prefix . "_" . $index;
				$sql[] = ":" . $label_name;
				$bound_parameters[$label_name] = $value;
			}

			$sql = "(" . implode(", ", $sql) . ")";
		}

		return $sql;
	}