Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/3851#discussion_r116215873
--- Diff:
flink-libraries/flink-table/src/test/java/org/apache/flink/table/api/java/utils/UserDefinedAggFunctions.java
---
@@ -23,13 +23,37 @@
import java.util.Iterator;
public class UserDefinedAggFunctions {
+ // Accumulator for test requiresOver
+ public static class Accumulator0 extends Tuple2<Long, Integer>{}
// Accumulator for WeightedAvg
public static class WeightedAvgAccum extends Tuple2<Long, Integer> {
public long sum = 0;
public int count = 0;
}
+ // Test for requiresOver
+ public static class OverAgg0 extends AggregateFunction<Long,
Accumulator0> {
--- End diff --
please reorder classes that the `AggregateFunction` class follows the
accumulator class
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