englefly opened a new pull request, #20523: URL: https://github.com/apache/doris/pull/20523
## Proposed changes the formula used to compute ndv after filter implies that the new rowCount is smaller than the original rowCount. When we apply this formula to join, we should add branch if new row count is bigger than original row count. when new row count is bigger, the ndv is not changed. Issue Number: close #xxx <!--Describe your changes.--> ## Further comments If this is a relatively large or complex change, kick off the discussion at [d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc... -- 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
