Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/7226#discussion_r33908974
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -1458,4 +1458,14 @@ class SQLQuerySuite extends QueryTest with
BeforeAndAfterAll with SQLTestUtils {
checkAnswer(sql("SELECT * FROM t ORDER BY NULL"), Seq(Row(1, 2),
Row(1, 2)))
}
}
+
+ test("SPARK-8753: add interval type") {
+ val df = sql("select interval 3 year, interval -14 month, interval 99
second, interval -4 day")
+ checkAnswer(df, Row(36, -14, 99L, -345600L))
+ withTempPath(f => {
--- End diff --
add an inline comment here saying we don't yet support saving out interval
data types.
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