yx-keith commented on PR #35238: URL: https://github.com/apache/doris/pull/35238#issuecomment-2141413556
> hi keith, do you notice that in JoinEstimation, if child.rowCount is 0, estimator regard the input row count as 1. please refer to: > > https://github.com/apache/doris/blob/f53cf052d84335c09b2680259b1366343fc90c9a/fe/fe-core/src/main/java/org/apache/doris/nereids/stats/JoinEstimation.java#L198 >hi minghong, in JoinEstimation, outputRowCount of joinNode is calculated as 1, this will cause the result of Join to be considered as only one row of data in the plan, and be distributed using broadcast core/src/main/java/org/apache/doris/nereids/stats/JoinEstimation.java#L144 -- 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
