andygrove commented on code in PR #346:
URL: https://github.com/apache/datafusion-comet/pull/346#discussion_r1588377152
##########
spark/src/test/scala/org/apache/comet/CometCastSuite.scala:
##########
@@ -55,8 +55,39 @@ class CometCastSuite extends CometTestBase with
AdaptiveSparkPlanHelper {
castTest(generateFloats, DataTypes.IntegerType)
}
- ignore("cast float to string") {
- castTest(generateFloats, DataTypes.StringType)
+ test("cast double to string") {
+ val testValues = (
+ Seq(
+ 1.0499721536516571e-4,
+ 0.001,
+ 10000000.0,
+ 9999999.0,
+ Float.NegativeInfinity,
+ Float.PositiveInfinity,
+ Float.MinPositiveValue,
+ Double.MinValue,
+ Double.MaxValue,
+ Double.NaN,
+ 0.0,
+ -0.0)
+ ).toDF("a")
+ castTest(testValues, DataTypes.StringType, testAnsiModeThrows = false)
Review Comment:
Also see https://github.com/apache/datafusion-comet/pull/362 which improves
how we handle casts that are not compatible with Spark
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