englefly opened a new pull request, #24462:
URL: https://github.com/apache/doris/pull/24462

   ## Proposed changes
   A left join B on A.x=B.x and A.y=B.y
   B.x and B.y make result tuple number scale out.
   suppose A is scaled out by B.x N1 time, and scaled out by B.y N2 time, and 
N1 < N2.
   we should choose N1 as the final scale out factor, not N2.
   
   Issue Number: close #xxx
   
   <!--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...
   
   


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