Github user lianhuiwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/14036#discussion_r70660136
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala
---
@@ -207,20 +207,12 @@ case class Multiply(left: Expression, right:
Expression)
protected override def nullSafeEval(input1: Any, input2: Any): Any =
numeric.times(input1, input2)
}
-@ExpressionDescription(
- usage = "a _FUNC_ b - Divides a by b.",
- extended = "> SELECT 3 _FUNC_ 2;\n 1.5")
-case class Divide(left: Expression, right: Expression)
- extends BinaryArithmetic with NullIntolerant {
-
- override def inputType: AbstractDataType = TypeCollection(DoubleType,
DecimalType)
-
- override def symbol: String = "/"
- override def decimalMethod: String = "$div"
+abstract class DivideBase extends BinaryArithmetic with NullIntolerant {
override def nullable: Boolean = true
private lazy val div: (Any, Any) => Any = dataType match {
case ft: FractionalType =>
ft.fractional.asInstanceOf[Fractional[Any]].div
+ case i: IntegralType => i.integral.asInstanceOf[Integral[Any]].quot
--- End diff --
@cloud-fan how about make this line in IntegralDivide that can be more
readable?
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