andygrove opened a new issue, #2612:
URL: https://github.com/apache/datafusion-comet/issues/2612

   ### Describe the bug
   
   I don't have a simple repro yet, but I found a bug while experimenting with 
some fuzz testing.
   
   The query was `select c0, reverse(c0) FROM t1 ORDER BY c0`.
   
   Two of the result mismatches were:
   
   ```
   == Results ==
   !== Correct Answer - 1000 ==                                                 
                                                        == Spark Answer - 1000 
==
    struct<c29:array<binary>,reverse(c29):array<binary>>                        
                                                        
struct<c29:array<binary>,reverse(c29):array<binary>>
   ![ArrayBuffer(null),ArrayBuffer(null)]                                       
                                                        
[ArrayBuffer(null),ArrayBuffer([B@1814c14)]
   ![ArrayBuffer(null, null),ArrayBuffer(null, null)]                           
                                                        [ArrayBuffer(null, 
null),ArrayBuffer([B@589e926b, [B@6aaa0ef7)]
   ```
   
   Perhaps we are creating an empty array instead of null, but it is hard to 
tell because the output here does not show the contents of the byte array.
   
   ### Steps to reproduce
   
   _No response_
   
   ### Expected behavior
   
   _No response_
   
   ### Additional context
   
   _No response_


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