sathiyapk commented on a change in pull request #34729:
URL: https://github.com/apache/spark/pull/34729#discussion_r789220001
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/MathExpressionsSuite.scala
##########
@@ -705,6 +818,42 @@ class MathExpressionsSuite extends SparkFunSuite with
ExpressionEvalHelper {
checkEvaluation(BRound(-3.5, 0), -4.0)
checkEvaluation(BRound(-0.35, 1), -0.4)
checkEvaluation(BRound(-35, -1), -40)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(2.5), Literal(0)))), 2L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(3.5), Literal(0)))), 3L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(-2.5), Literal(0)))), -3L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(-3.5), Literal(0)))), -4L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(-0.35), Literal(1)))), -0.4)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(-35), Literal(-1)))), -40L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(2.5), Literal(0)))), 3L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(3.5), Literal(0)))), 4L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(-2.5), Literal(0)))), -2L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(-3.5), Literal(0)))), -3L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(-0.35), Literal(1)))), -0.3)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(-35), Literal(-1)))), -30L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(-0.1), Literal(0)))), -1L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(5), Literal(0)))), 5L)
+ checkEvaluation(checkDataTypeAndCast(
+ FloorExpressionBuilder.build(Seq(Literal(3.1411), Literal(-3)))), 0L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(-0.1), Literal(0)))), 0L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(5), Literal(0)))), 5L)
+ checkEvaluation(checkDataTypeAndCast(
+ CeilExpressionBuilder.build(Seq(Literal(3.1411), Literal(-3)))), 1000L)
Review comment:
@cloud-fan So basically if the scale is `scale < 0`, this produces the
result of `scale = 0` and the return type is always decimal. This don't shock
me, but this will be different from the behaviour of the snow-flake
`ceil`/`floor` function. Are you sure about this ?
REF: https://docs.snowflake.com/en/sql-reference/functions/ceil.html
`If scale_expr is negative, then it specifies the number of places before
the decimal point to which to adjust the number. For example, if the scale is
-2, then the result is a multiple of 100.`
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