cloud-fan commented on code in PR #36698:
URL: https://github.com/apache/spark/pull/36698#discussion_r885415814


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala:
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@@ -490,10 +621,26 @@ trait DivModLike extends BinaryArithmetic {
       s"${eval2.value} == 0"
     }
     val javaType = CodeGenerator.javaType(dataType)
-    val operation = if (operandsDataType.isInstanceOf[DecimalType]) {
-      
decimalToDataTypeCodeGen(s"${eval1.value}.$decimalMethod(${eval2.value})")
+    val checkOverflow = if (operandsDataType.isInstanceOf[DecimalType]) {

Review Comment:
   this name is confusing. This includes the operation and overflow checking. 
Maybe the previous `operation` is still a good name here.



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