Re: [I] Release Note 2.0.7 [doris]

via GitHub Fri, 22 Mar 2024 01:54:12 -0700


xiaokang commented on issue #32677:
URL: https://github.com/apache/doris/issues/32677#issuecomment-2014637774


   中文版本：
   
   ## 1 行为变更
   
   - `round` 函数行为跟MySQL保持一致, 例如 round(5/2) 返回3而不是2.
     - https://github.com/apache/doris/pull/31583
   - 时间精度转换行为跟MySQL保持一致, 例如 '2023-10-12 14:31:49.666' 四舍五人到 '2023-10-12 
14:31:50' .
     - https://github.com/apache/doris/pull/27965
   
   
   ## 2 新功能
   
   - 在更多的情况下可以将OUTER JOIN转换成ANTI JOIN来加速查询
     - https://github.com/apache/doris/pull/31854
   - 支持通过Nginx, HAProxy等代理连接的IP透传
     - https://github.com/apache/doris/pull/32338
   
   
   ## 3 改进和优化
   
   - 通过在`information_schema`中增加DEFAULT_ENCRYPTION列、增加`processlist`表，提升BI工具的兼容性
   - 创建JDBC Catalog时默认自动检测连通性
   - 增强自动恢复提升kafka routine load的稳定性
   - 倒排索引中文分词对英文默认做小写转换
   - repeat函数的重复次数超过限制时报错
   - 自动跳过Hive外表中的隐藏文件和目录
   - 在某些极端情况下减少file meta cache避免OOM
   - 减少broker load的jvm内存占用
   - 加速带排序的INSERT INTO SELECT 比如 `INSERT INTO t1 SELECT * FROM t2 ORDER BY k`


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Re: [I] Release Note 2.0.7 [doris]

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