JingsongLi commented on a change in pull request #16699:
URL: https://github.com/apache/flink/pull/16699#discussion_r684875870
##########
File path:
flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/typeutils/LinkedListSerializer.java
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@@ -110,17 +124,40 @@ public int getLength() {
@Override
public void serialize(LinkedList<T> list, DataOutputView target) throws
IOException {
target.writeInt(list.size());
+ if (hasNullMask) {
+ MaskUtils.writeMask(getNullMask(list), target);
+ }
for (T element : list) {
- elementSerializer.serialize(element, target);
+ if (element != null) {
+ elementSerializer.serialize(element, target);
+ }
}
}
+ private boolean[] getNullMask(LinkedList<T> list) {
+ boolean[] mask = new boolean[list.size()];
Review comment:
I think we should reuse this mask.
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