Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22527#discussion_r219686433
--- Diff:
sql/core/src/test/java/test/org/apache/spark/sql/JavaDataFrameSuite.java ---
@@ -171,7 +184,12 @@ void validateDataFrameWithBeans(Bean bean,
Dataset<Row> df) {
schema.apply("d"));
Assert.assertEquals(new StructField("e",
DataTypes.createDecimalType(38,0), true,
Metadata.empty()), schema.apply("e"));
- Row first = df.select("a", "b", "c", "d", "e").first();
+ Assert.assertEquals(new StructField("f",
+
DataTypes.createStructType(Collections.singletonList(new StructField(
+ "a", IntegerType$.MODULE$, false,
Metadata.empty()))),
+ true, Metadata.empty()),
+ schema.apply("f"));
--- End diff --
should be double spaced.
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