cloud-fan commented on a change in pull request #28197: [SPARK-31431][SQL] Add
CalendarInterval encoder support
URL: https://github.com/apache/spark/pull/28197#discussion_r409603011
##########
File path:
sql/core/src/test/java/test/org/apache/spark/sql/JavaDatasetSuite.java
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@@ -263,6 +264,70 @@ public void testSelect() {
selected.collectAsList());
}
+ @Test
+ public void testCalendarInterval() {
+ List<CalendarInterval> data = Arrays.asList(
+ new CalendarInterval(1, 2, 0),
+ new CalendarInterval(4, 5, 0),
+ null);
+ Dataset<CalendarInterval> ds =
+ spark.createDataset(data, Encoders.INTERVAL());
+
+ Dataset<String> selected =
+ ds.select(expr("value + interval 1
hour").cast("string")).as(Encoders.STRING());
+
+ Assert.assertEquals(
+ Arrays.asList("1 months 2 days 1 hours", "4 months 5 days 1 hours",
null),
+ selected.collectAsList());
+ }
+
+
+ public static class IntervalBean implements Serializable {
+ private CalendarInterval i;
Review comment:
can we test interval array as well?
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