andygrove commented on code in PR #1996:
URL: https://github.com/apache/datafusion-comet/pull/1996#discussion_r2197876746


##########
spark/src/main/scala/org/apache/comet/serde/QueryPlanSerde.scala:
##########
@@ -677,7 +677,14 @@ object QueryPlanSerde extends Logging with CometExprShim {
         }
         None
 
-      case div @ IntegralDivide(left, right, _) if 
supportedDataType(left.dataType) =>
+      case div @ IntegralDivide(leftInt, rightInt, _) if 
supportedDataType(leftInt.dataType) =>
+        val left =
+          if (leftInt.dataType.isInstanceOf[DecimalType]) leftInt else 
Cast(leftInt, DoubleType)
+        val right =
+          if (rightInt.dataType.isInstanceOf[DecimalType]) rightInt
+          else Cast(rightInt, DoubleType)
+        withInfo(div, s"left data type ${left.dataType} casted to 
${leftInt.dataType}")
+        withInfo(div, s"right data type ${right.dataType} casted to 
${rightInt.dataType}")

Review Comment:
   We generally use `withInfo` to provide users with feedback for reasons that 
we cannot run queries natively. This looks like debug information. I suggest 
removing this use of `withInfo`.



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