Ulimo commented on pull request #10906:
URL: https://github.com/apache/arrow/pull/10906#issuecomment-919903319


   I am jumping in here just with a question/feedback related to this. It would 
have been really nice to have sql parameters standardized into this. say 
"SELECT * FROM table LIMIT @limit" etc. To supply the actual value of the 
parameters.
   
   Is this something that is under consideration?
   
   An example that could probably be much better, but for instance:
   
   ```
   message Scalar {
       oneof value {
         double double = 2;
         float float = 3;
         int32 int = 4;
         int64 long = 5;
         bool bool = 6;
         google.protobuf.Timestamp timestamp = 7;
         string string = 8;
     }
   }
   
   message SqlParameter {
       string name = 1;
       Scalar value = 2;
   }
   ```


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