englefly opened a new pull request, #20340:
URL: https://github.com/apache/doris/pull/20340

   ## Proposed changes
   1. derive analytic node stats, add support for rank()
   2. filter estimation stats derive updated. update row count of filter column.
   3. use ColumnStatistics.orginal to replace ColumnStatistics.orginalNdv, 
where ColumnStatistics.orginal is the column statisics get from TableScan.
   
   TPCDS 70 on tpcds_sf100 improved from 23sec to 2 sec
   This pr has no performance downgrade on other tpcds queries and tpch queries.
   
   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...
   
   


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