yiguolei opened a new pull request, #11441:
URL: https://github.com/apache/doris/pull/11441

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   Currently, schema change will read a row block and call delete handler's is 
filter data to filter the row block. BUT rowset reader alreay filter the data 
during read so that there is no need to call delete handler to filter it again.
   
   ## Checklist(Required)
   
   1. Does it affect the original behavior: 
       - [ ] Yes
       - [ ] No
       - [ ] I don't know
   2. Has unit tests been added:
       - [ ] Yes
       - [ ] No
       - [ ] No Need
   3. Has document been added or modified:
       - [ ] Yes
       - [ ] No
       - [ ] No Need
   4. Does it need to update dependencies:
       - [ ] Yes
       - [ ] No
   5. Are there any changes that cannot be rolled back:
       - [ ] Yes (If Yes, please explain WHY)
       - [ ] No
   
   ## 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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