cloud-fan commented on a change in pull request #27747: [SPARK-30993][SQL] Use
its sql type for UDT when checking the type of length (fixed/var) or mutable
URL: https://github.com/apache/spark/pull/27747#discussion_r386408647
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/UserDefinedTypeSuite.scala
##########
@@ -287,4 +306,22 @@ class UserDefinedTypeSuite extends QueryTest with
SharedSparkSession with Parque
checkAnswer(spark.createDataFrame(data, schema).selectExpr("typeof(a)"),
Seq(Row("array<double>")))
}
+
+ test("SPARK-30993: UserDefinedType matched to fixed length SQL type
shouldn't be corrupted") {
+ def concatFoo(a: FooWithDate, b: FooWithDate): FooWithDate = {
+ FooWithDate(b.date, a.s + b.s, a.i)
+ }
+
+ UDTRegistration.register(classOf[LocalDateTime].getName,
classOf[LocalDateTimeUDT].getName)
+
+ // remove sub-millisecond part as we only use millis based timestamp while
serde
+ val date =
LocalDateTime.ofEpochSecond(LocalDateTime.now().toEpochSecond(ZoneOffset.UTC),
+ 0, ZoneOffset.UTC)
+ val inputDS = List(FooWithDate(date, "Foo", 1), FooWithDate(date, "Foo",
3),
+ FooWithDate(date, "Foo", 3)).toDS()
+ val agg = inputDS.groupByKey(x => x.i).mapGroups((_, iter) =>
iter.reduce(concatFoo))
+ val result = agg.collect()
+
+ assert(result.toSet === Set(FooWithDate(date, "FooFoo", 3),
FooWithDate(date, "Foo", 1)))
Review comment:
what was the result before?
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