Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/1566#discussion_r51997124
--- Diff:
flink-core/src/main/java/org/apache/flink/api/java/typeutils/ObjectArrayTypeInfo.java
---
@@ -72,15 +77,59 @@ public int getTotalFields() {
@Override
public boolean isKeyType() {
- return false;
+ return true;
}
@SuppressWarnings("unchecked")
@Override
public TypeSerializer<T> createSerializer(ExecutionConfig
executionConfig) {
return (TypeSerializer<T>) new GenericArraySerializer<C>(
- componentInfo.getTypeClass(),
- componentInfo.createSerializer(executionConfig));
+ componentInfo.getTypeClass(),
+
componentInfo.createSerializer(executionConfig));
+ }
+
+ @SuppressWarnings("unchecked")
+ private TypeComparator<? super Object>
getBaseComparatorInfo(TypeInformation<? extends Object> componentInfo, boolean
sortOrderAscending, ExecutionConfig executionConfig) {
--- End diff --
Why are you extracting for certain types the element comparator (for
example the ObjectArrayTypeInfo) and for other you create the `TypeComparator`
(for example the `CompositeTypeInfo`)? I don't get it. Why do you need the
`getBaseComparatorInfo` method at all? Simply check in `createComparator` the
different subtypes and then create the `TypeComparator`.
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