redbaron commented on issue #10881:
URL: https://github.com/apache/datafusion/issues/10881#issuecomment-2168100565

   > The results seem correct to me
   
   No, what essentially this query is:
   
   ```
   SELECT e.emp_id, e.name, d.department
   FROM employees e
   LEFT JOIN department d
   ON (FALSE);
   ```
   
   which by definition of `LEFT JOIN` should not reduce number of rows on the 
LEFT


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