Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/2621#discussion_r18433074
--- Diff:
sql/hive/src/test/scala/org/apache/spark/sql/hive/execution/HiveUdfSuite.scala
---
@@ -83,6 +86,82 @@ class HiveUdfSuite extends HiveComparisonTest {
test("SPARK-2693 udaf aggregates test") {
assert(sql("SELECT percentile(key,1) FROM src").first === sql("SELECT
max(key) FROM src").first)
}
+
+ test("UDFIntegerToString") {
+ val testData = TestHive.sparkContext.parallelize(
+ IntegerCaseClass(1) :: IntegerCaseClass(2) :: Nil)
+ testData.registerTempTable("integerTable")
+
+ sql(s"CREATE TEMPORARY FUNCTION testUDFIntegerToString AS
'${classOf[UDFIntegerToString].getName}'")
+ assertResult(Array(Array("1"), Array("2"))) {
+ sql("SELECT testUDFIntegerToString(i) FROM integerTable").collect()
+ }
+ sql("DROP TEMPORARY FUNCTION IF EXISTS testUDFIntegerToString")
+
+ TestHive.reset()
+ }
+
+ test("UDFListListInt") {
+ val testData = TestHive.sparkContext.parallelize(
+ ListListIntCaseClass(Nil) ::
+ ListListIntCaseClass(Seq(new Tuple3(1, 2, 3))) ::
+ ListListIntCaseClass(Seq(new Tuple3(4, 5, 6), new Tuple3(7, 8, 9)))
:: Nil)
+ testData.registerTempTable("listListIntTable")
+
+ sql(s"CREATE TEMPORARY FUNCTION testUDFListListInt AS
'${classOf[UDFListListInt].getName}'")
+ assertResult(Array(Array(0), Array(2), Array(13))) {
+ sql("SELECT testUDFListListInt(lli) FROM listListIntTable").collect()
+ }
--- End diff --
Use `checkAnswer` from `QueryTest` to test queries. It compare answers,
gives side by side results when they differ, and prints better exceptions.
```scala
checkAnswer(
sql("SELECT testUDFIntegerToString(i) FROM integerTable"),
Seq(Row(1), Row(2)))
```
Actually, mind fixing the one above too? I let that slip in somehow.
Thanks :)
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