Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/6986#discussion_r35614790
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DateFunctionsSuite.scala ---
@@ -184,4 +184,26 @@ class DateFunctionsSuite extends QueryTest {
Row(15, 15, 15))
}
+ test("function last_day") {
+ val df1 = Seq((1, "2015-07-23"), (2, "2015-07-24")).toDF("i", "d")
+ val df2 = Seq((1, "2015-07-23 00:11:22"), (2, "2015-07-24
11:22:33")).toDF("i", "t")
+ checkAnswer(
+ df1.select(last_day(col("d"))),
+ Seq(Row(Date.valueOf("2015-07-31")),
Row(Date.valueOf("2015-07-31"))))
+ checkAnswer(
+ df2.select(last_day(col("t"))),
+ Seq(Row(Date.valueOf("2015-07-31")),
Row(Date.valueOf("2015-07-31"))))
+ }
+
+ test("function next_day") {
+ val df1 = Seq(("mon", "2015-07-23"), ("tuesday",
"2015-07-20")).toDF("dow", "d")
+ val df2 = Seq(("th", "2015-07-23 00:11:22"), ("xx", "2015-07-24
11:22:33")).toDF("dow", "t")
+ checkAnswer(
+ df1.select(next_day(col("d"), "MONDAY")),
+ Seq(Row(Date.valueOf("2015-07-27")),
Row(Date.valueOf("2015-07-27"))))
+ checkAnswer(
+ df2.select(next_day(col("t"), "th")),
+ Seq(Row(Date.valueOf("2015-07-30")), Row(null)))
--- End diff --
Sorry for that...
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