xushiyan commented on a change in pull request #4856:
URL: https://github.com/apache/hudi/pull/4856#discussion_r825536790
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File path: hudi-common/src/main/java/org/apache/hudi/common/data/HoodieList.java
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@@ -132,6 +134,26 @@ public long count() {
return HoodieList.of(new ArrayList<>(new HashSet<>(listData)));
}
+ @Override
+ public <O> HoodieData<T> distinctWithKey(SerializableFunction<T, O>
keyGetter, int parallelism) {
+ Set<O> set = listData.stream().map(i ->
throwingMapWrapper(keyGetter).apply(i)).collect(Collectors.toSet());
+ List<T> distinctList = new LinkedList<>();
+ listData.forEach(x -> {
+ if (set.contains(throwingMapWrapper(keyGetter).apply(x))) {
+ distinctList.add(x);
+ }
+ });
+ return HoodieList.of(distinctList);
Review comment:
fixed with new logic and filing a ticket for Flink/Java fix
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