HyukjinKwon commented on a change in pull request #33422:
URL: https://github.com/apache/spark/pull/33422#discussion_r672937934
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File path:
sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java
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@@ -523,4 +523,55 @@ public void testUDF() {
.map(row -> row.get(0).toString() +
row.getString(1)).toArray(String[]::new);
Assert.assertArrayEquals(expected, result);
}
+
+ /**
+ * Tests the Java API of Observation and Dataset.observe(Observation,
Column, Column*).
+ */
+ @Test
+ public void testObservation() {
+ Observation namedObservation = new Observation("named");
+ Observation unnamedObservation = new Observation();
+
+ Dataset<Long> df = spark
+ .range(100)
Review comment:
Actually we should keep it with 2 space indentation here same as Scala
side.
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