seawinde opened a new pull request, #35749:
URL: https://github.com/apache/doris/pull/35749

   ## Proposed changes
   
   this is brought by https://github.com/apache/doris/pull/35436 
   
   in the method `MaterializationContext#getPlanStatistics` this get the 
materialization context orginal plan statistics.
   but the `expressionToColumnStats` in statistics is the slot of original plan.
   We want the statistics of original plan but the  `expressionToColumnStats` 
in which  should be mv scan plan based actually.
   So add the method 
`MaterializationContext#normalizeStatisticsColumnExpression`. when after 
generate the PlanStatistics
   in MaterializationContext, should call the 
normalizeStatisticsColumnExpression method.
   
   
   


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