/** * table[命令合成]<br/> * 查询表备注 * @param runtime 运行环境主要包含驱动适配器 数据源或客户端 * @param catalog catalog * @param schema schema * @param pattern 名称统配符或正则 * @param types types "TABLE", "VIEW", "SYSTEM TABLE", "GLOBAL TEMPORARY", "LOCAL TEMPORARY", "ALIAS", "SYNONYM". * @return String * @throws Exception Exception */