protected function sqlStatementFlags($buffer_id, $flag_buffer_ids, $decorations)
	{
		$first = false;

		if ($decorations & self::INDENT) {
			echo $this->indent;
			$first = true;
		}

		if ($decorations & self::LABEL) {
			if ($first) {
				$first = false;
			} else {
				echo ' ';
			}
			echo $buffer_id;
			$first = false;
		}

		foreach ($flag_buffer_ids as $flag_buf) {
			if (isset($this->buffers[$flag_buf])) {
				if ($first) {
					$first = false;
				} else {
					echo ' ';
				}
				echo $this->buffers[$flag_buf];
			}
		}

		if ($decorations & self::COMMA) {
			echo ",";
		}
		if ($decorations & self::EOL) {
			echo "\n";
		}
	}