morrySnow opened a new pull request, #41615:
URL: https://github.com/apache/doris/pull/41615

   pick from master #40819
   
   when do merge, we should update target requestPropertiesMap ONLY IF the cost 
of source's request property lower than target one. Otherwise, the 
requestPropertiesMap will not sync with lowestCostTable. Then, we will get 
wrong output property when get the final plan.
   
   


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