xiaokang commented on issue #33922: URL: https://github.com/apache/doris/issues/33922#issuecomment-2067589233
中文版本： ## 1 行为变更 无 ## 2 新功能 - 物化视图的key和value列都允许出现谓词 - 雾化试图支持bitmap_union(bitmap_from_array()) - 增加一个fe配置强制集群中所有表的replicate allocation - 新优化器支持日期字面量指定时区 - MATCH_PHRASE全文检索支持slop参数指定搜索词之间的距离 ## 3 改进和优化 - first_value/last_value 函数增加第二个参数指定忽略NULL值 - lead/lag function 的offset参数可以为0 - 调整物化视图匹配的顺序优先利用索引和预聚合加速查询 - 优化topn查询`ORDER BY k LIMIT n`的性能 - 优化meta cache的性能 - 为delete_bitmap get_agg函数增加profile便于性能分析 - 增加fe参数设置autobucket的最大bucket数 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
