Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18103#discussion_r118809005
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/mathExpressions.scala
---
@@ -348,12 +349,13 @@ case class Floor(child: Expression) extends
UnaryMathExpression(math.floor, "FLO
}
override def inputTypes: Seq[AbstractDataType] =
- Seq(TypeCollection(LongType, DoubleType, DecimalType))
+ Seq(TypeCollection(DoubleType, DecimalType, LongType, FloatType))
protected override def nullSafeEval(input: Any): Any = child.dataType
match {
case LongType => input.asInstanceOf[Long]
+ case FloatType => f(input.asInstanceOf[Float]).toLong
case DoubleType => f(input.asInstanceOf[Double]).toLong
- case DecimalType.Fixed(precision, scale) =>
input.asInstanceOf[Decimal].floor
+ case DecimalType.Fixed(_, _) => input.asInstanceOf[Decimal].floor
}
override def doGenCode(ctx: CodegenContext, ev: ExprCode): ExprCode = {
--- End diff --
You also need to fix this code path.
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