参考资料
https://github.com/apache/incubator-doris/wiki/Doris-Create%2C-Load-and-Delete
https://github.com/apache/incubator-doris/wiki/Data-Model%2C-Rollup-%26-Prefix-Index
https://github.com/apache/incubator-doris/wiki/Doris-Create%2C-Load-and-Delete
https://github.com/apache/incubator-doris/wiki/Data-Model%2C-Rollup-%26-Prefix-Index