[GitHub] [incubator-doris] EmmyMiao87 commented on a change in pull request #6083: [Feature] Extract wide common factors

[GitBox <gi...@apache.org>]

EmmyMiao87 commented on a change in pull request #6083:
URL: https://github.com/apache/incubator-doris/pull/6083#discussion_r657685736



##########
File path: docs/zh-CN/administrator-guide/variables.md
##########
@@ -383,3 +383,7 @@ SELECT /*+ SET_VAR(query_timeout = 1, enable_partition_cache=true) */ sleep(3);
     在一个排序的查询之中，一个上层节点接收下层节点有序数据时，会在exchange node上进行对应的排序来保证最终的数据是有序的。但是单线程进行多路数据归并时，如果数据量过大，会导致exchange node的单点的归并瓶颈。
 
     Doris在这部分进行了优化处理，如果下层的数据节点过多。exchange node会启动多线程进行并行归并来加速排序过程。该参数默认为False，即表示 exchange node 不采取并行的归并排序，来减少额外的CPU和内存消耗。
+
+* `extract_wide_range_expr`

Review comment:
       Maybe extract_common_factors?




-- 
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.

For queries about this service, please contact Infrastructure at:
users@infra.apache.org



---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@doris.apache.org
For additional commands, e-mail: commits-help@doris.apache.org