Ted-Jiang commented on issue #8795:
URL: 
https://github.com/apache/arrow-datafusion/issues/8795#issuecomment-1882564737

   seems cast in some place
   ```
   ❯ explain verbose  select floor(-1);
   
+------------------------------------------------------------+--------------------------------------------------------------------------------------------------------+
   | plan_type                                                  | plan          
                                                                                
         |
   
+------------------------------------------------------------+--------------------------------------------------------------------------------------------------------+
   | initial_logical_plan                                       | Projection: 
floor(Int64(-1))                                                                
           |
   |                                                            |   
EmptyRelation                                                                   
                     |
   | logical_plan after inline_table_scan                       | SAME TEXT AS 
ABOVE                                                                           
          |
   | logical_plan after type_coercion                           | Projection: 
floor(CAST(Int64(-1) AS Float64))                                               
           |
   |                                                            |   
EmptyRelation                                                                   
                     |
   | logical_plan after count_wildcard_rule                     | SAME TEXT AS 
ABOVE                                                                           
          |
   | analyzed_logical_plan                                      | SAME TEXT AS 
ABOVE                                                                           
          |
   | logical_plan after eliminate_nested_union                  | SAME TEXT AS 
ABOVE                                                                           
          |
   | logical_plan after simplify_expressions                    | Projection: 
Float64(-1) AS floor(Int64(-1))                                                 
           |
   |                                                            |   
EmptyRelation                                                                   
                     |
   | logical_plan after unwrap_cast_in_comparison               | SAME TEXT AS 
ABOVE                                                                           
          |
   | logical_plan after replace_distinct_aggregate              | SAME TEXT AS 
ABOVE                                                                           
          |
   | logical_plan after eliminate_join                          | SAME TEXT AS 
ABOVE
   
   ```


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