[GitHub] [spark] sandeep-katta commented on a change in pull request #28600: [SPARK-31761][SQL] cast integer to Long to avoid IntegerOverflow for IntegralDivide operator

[GitBox]

sandeep-katta commented on a change in pull request #28600:
URL: https://github.com/apache/spark/pull/28600#discussion_r429034719



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala
##########
@@ -337,11 +340,19 @@ trait DivModLike extends BinaryArithmetic {
     } else {
       s"${eval2.value} == 0"
     }
-    val javaType = CodeGenerator.javaType(dataType)
+    val isIntegralDiv = this.isInstanceOf[IntegralDivide]
+    // From SPARK-16323 IntegralDivision returns Long data type
+    val javaType = if (isIntegralDiv) JAVA_LONG else 
CodeGenerator.javaType(dataType)
+    val operandJavaType = if (isIntegralDiv) operandsDataType match {
+      case _: IntegerType => JAVA_LONG

Review comment:
       okay will update the PR with `TypeCoercion` implementation




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