cloud-fan commented on a change in pull request #23304: [SPARK-26353][SQL]Add
typed aggregate functions: max&&min
URL: https://github.com/apache/spark/pull/23304#discussion_r247388773
##########
File path:
sql/core/src/test/java/test/org/apache/spark/sql/JavaDatasetAggregatorSuiteBase.java
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@@ -61,5 +61,13 @@ public void tearDown() {
return ds.groupByKey((MapFunction<Tuple2<String, Integer>, String>) value
-> value._1(),
Encoders.STRING());
}
+
+ protected Dataset<Tuple2<Double, Double>> generateEmptyDataset() {
Review comment:
if it's only used in one place, let's inline this method.
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