zhangstar333 opened a new pull request, #41623: URL: https://github.com/apache/doris/pull/41623
## Proposed changes the cross join will call insert_many_from function to combine left table column as result, implement it's will reduce much virtual function call. ``` mysql [ssb]>select count(c_custkey) from (select customer.c_custkey from dates cross join customer)t; +------------------+ | count(c_custkey) | +------------------+ | 7668000000 | +------------------+ 1 row in set (5.56 sec) ``` ``` mysql [ssb]>select count(c_custkey) from (select customer.c_custkey from dates cross join customer)t; +------------------+ | count(c_custkey) | +------------------+ | 7668000000 | +------------------+ 1 row in set (3.29 sec) ``` <!--Describe your changes.--> -- 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: commits-unsubscr...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
