seawinde opened a new pull request, #29418:
URL: https://github.com/apache/doris/pull/29418

   ## Proposed changes
   Query rewrite by mv support bitmap_union and bitmap_union_count roll up, 
aggregate functions which supports roll up is listed as following:
   
   | 查询中函数            | 物化视图中函数      | 函数上卷后              |
   |------------------|--------------|--------------------|
   | max              | max          | max                |
   | min              | min          | min                |
   | sum              | sum          | sum                |
   | count            | count        | sum                |
   | count(distinct ) | bitmap_union | bitmap_union_count |
   | bitmap_union | bitmap_union | bitmap_union|
   | bitmap_union_count | bitmap_union | bitmap_union_count |
   
   this depends on  https://github.com/apache/doris/pull/29256
   
   ## 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...
   
   


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