Kikyou1997 opened a new pull request, #21020: URL: https://github.com/apache/doris/pull/21020
## Proposed changes n the previous implementation, when aggregating partition statistics into column statistics, the calculation of distinct values (ndv) for the entire column was performed without using sampling, resulting in reduced efficiency of the sampling process. <!--Describe your changes.--> ## Further comments If this is a relatively large or complex change, kick off the discussion at [[email protected]](mailto:[email protected]) 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: [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]
