sayhitocc

**Performance Issue** 当字段中含有blob 类型数据时，order by ts desc 的查询将十分缓慢，数据 200w 条 **Screenshots** **Environment (please complete the following information):** * OS: centos9 * Memory, CPU, current Disk Space: 16G内存，2.4T存储空余 * TDengine Version:...