jayzhan211 commented on PR #13452:
URL: https://github.com/apache/datafusion/pull/13452#issuecomment-2481839966

   ```
   query error DataFusion error: type_coercion\ncaused by\nError during 
planning: Incompatible inputs for Union: Previous inputs were of type List(.*), 
but got incompatible type List(.*) on column 'x'
   SELECT make_array(2) x UNION ALL SELECT make_array(now()) x;
   
   query ?
   select make_array(arrow_cast(2, 'UInt8')) x UNION ALL SELECT 
make_array(arrow_cast(-2, 'Int8')) x;
   ----
   [-2]
   [2]
   ```
   
   The queries has nothing to do with the list coercion.
   I checked the query and it already works correctly in main branch.
   


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