HyukjinKwon commented on a change in pull request #28324:
URL: https://github.com/apache/spark/pull/28324#discussion_r415202741
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File path: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
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@@ -2358,6 +2360,80 @@ class DataFrameSuite extends QueryTest
val df = Seq((1, new CalendarInterval(1, 2, 3))).toDF("a", "b")
checkAnswer(df.selectExpr("b"), Row(new CalendarInterval(1, 2, 3)))
}
+
+ test("SPARK-31552: array encoder with different types") {
+ // primitives
+ val booleans = Array(true, false)
+ checkAnswer(Seq(booleans).toDF(), Row(booleans))
+
+ val bytes = Array(1.toByte, 2.toByte)
+ checkAnswer(Seq(bytes).toDF(), Row(bytes))
+ val shorts = Array(1.toShort, 2.toShort)
+ checkAnswer(Seq(shorts).toDF(), Row(shorts))
+ val ints = Array(1, 2)
+ checkAnswer(Seq(ints).toDF(), Row(ints))
+ val longs = Array(1L, 2L)
+ checkAnswer(Seq(longs).toDF(), Row(longs))
+
+ val floats = Array(1.0F, 2.0F)
+ checkAnswer(Seq(floats).toDF(), Row(floats))
+ val doubles = Array(1.0D, 2.0D)
+ checkAnswer(Seq(doubles).toDF(), Row(doubles))
+
+ val strings = Array("2020-04-24", "2020-04-25")
+ checkAnswer(Seq(strings).toDF(), Row(strings))
+
+ // tuples
+ val decOne = Decimal(1, 38, 18)
+ val decTwo = Decimal(2, 38, 18)
+ val tuple1 = (1, 2.2, "3.33", decOne, Date.valueOf("2012-11-22"))
+ val tuple2 = (2, 3.3, "4.44", decTwo, Date.valueOf("2022-11-22"))
+ checkAnswer(Seq(Array(tuple1, tuple2)).toDF(), Seq(Seq(tuple1,
tuple2)).toDF())
+
+ // case classes
+ val gbks = Array(GroupByKey(1, 2), GroupByKey(4, 5))
+ checkAnswer(Seq(gbks).toDF(), Row(Array(Row(1, 2), Row(4, 5))))
+
+ // We can move this implicit def to [[SQLImplicits]] when we eventually
make fully
Review comment:
let's don't `[[...]]` or inlined comments. That syntax is only valid for
proper multiline docs in Scaladoc. You can just do `` `...` `` next time.
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