andygrove commented on code in PR #1066:
URL: https://github.com/apache/datafusion-comet/pull/1066#discussion_r1834495363
##########
spark/src/test/scala/org/apache/comet/CometCastSuite.scala:
##########
@@ -850,6 +850,36 @@ class CometCastSuite extends CometTestBase with
AdaptiveSparkPlanHelper {
castTest(generateTimestamps(), DataTypes.DateType)
}
+ // Complex Types
+
+ test("cast StructType to StringType") {
+ Seq(true, false).foreach { dictionaryEnabled =>
+ withTempDir { dir =>
+ val path = new Path(dir.toURI.toString, "test.parquet")
+ makeParquetFileAllTypes(path, dictionaryEnabled = dictionaryEnabled,
10000)
+ withParquetTable(path.toString, "tbl") {
+ // primitives
+ checkSparkAnswerAndOperator(
+ "SELECT CAST(struct(_1, _2, _3, _4, _5, _6, _7, _8) as string)
FROM tbl")
+ // TODO: enable tests for unsigned ints (_9, _10, _11, _12) once
+ // https://github.com/apache/datafusion-comet/issues/1067 is
resolved
+ // checkSparkAnswerAndOperator(
+ // "SELECT CAST(struct(_9, _10, _11, _12) as string) FROM tbl")
+ // decimals (_16 intentionally excluded due to formatting difference
with scientific notation)
Review Comment:
https://github.com/apache/datafusion-comet/issues/1068
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