morningman opened a new pull request, #10593:
URL: https://github.com/apache/doris/pull/10593

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem Summary:
   
   Something the upstream system(eg, hive) may create empty orc file
   which only has a header and footer, without schema.
   And if we call `_reader->createRowReader()` with selected columns,
   it will throw ParserError: Invalid column selected xx.
   So here we first check its number of rows and skip these kind of files.
   
   This is only a fix for non-vec load, for vec load, it use arrow scanner
   to read orc file, which does not have this problem.
   
   ## Checklist(Required)
   
   1. Does it affect the original behavior: (No)
   2. Has unit tests been added: (No Need)
   3. Has document been added or modified: (No Need)
   4. Does it need to update dependencies: (No)
   5. Are there any changes that cannot be rolled back: (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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