wwwxxxhhh opened a new issue, #49877: URL: https://github.com/apache/doris/issues/49877
### Search before asking - [x] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Version doris 2.1.7 ### What's Wrong? select count(1) from table_a where column not in (select distinct column from table_b) select count(1) from table_a where column not in (select column from table_b) select count(1) from table_a where column not in (select column from table_b group by column ) select count(1) from table_a where not exists (select '1' from table_b b where b.column = a.column ) 表中无null值,但是上面3个sql中,只有第三个和第四个的值是准确的,前2个sql值不准确 ### What You Expected? 如何才能保持结果准确性 ### How to Reproduce? _No response_ ### Anything Else? _No response_ ### Are you willing to submit PR? - [ ] Yes I am willing to submit a PR! ### Code of Conduct - [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- 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.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