JingsongLi commented on a change in pull request #16699:
URL: https://github.com/apache/flink/pull/16699#discussion_r683263937
##########
File path:
flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/typeutils/LinkedListSerializer.java
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@@ -186,12 +267,28 @@ public int getCurrentOuterSnapshotVersion() {
return CURRENT_VERSION;
}
+ @Override
+ protected void readOuterSnapshot(
+ int readOuterSnapshotVersion, DataInputView in, ClassLoader
userCodeClassLoader) {
+ readVersion = readOuterSnapshotVersion;
+ }
+
+ @Override
+ protected OuterSchemaCompatibility resolveOuterSchemaCompatibility(
+ LinkedListSerializer<T> newSerializer) {
+ if (readVersion <= LAST_NULL_NOT_CHECKED_VERSION) {
+ return OuterSchemaCompatibility.COMPATIBLE_AFTER_MIGRATION;
Review comment:
Or you can use `MaskUtils` and ignore `checkIfNullSupported`. This way
will not waste much space.
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