xiaokang opened a new pull request, #20820:
URL: https://github.com/apache/doris/pull/20820

   ## Proposed changes
   
   Issue Number: close #xxx
   
   If some the blocks output by rowset reader have different columns, due to 
w/o optimization of inverted index, key topn will crash when it try to call 
MutableBlock::add_rows on block with different columns. 
   
   This PR remove the different __TEMP__ columns, generated by optimization of 
inverted index, after filter_block. And filter_block will not be called in 
scanner.
   
   ## 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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