mike-tr-adamson commented on code in PR #2673:
URL: https://github.com/apache/cassandra/pull/2673#discussion_r1355010940


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src/java/org/apache/cassandra/db/marshal/VectorType.java:
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@@ -365,6 +366,7 @@ public abstract class VectorSerializer extends 
TypeSerializer<List<T>>
 
         public abstract <V> List<V> split(V buffer, ValueAccessor<V> accessor);
         public abstract <V> V serializeRaw(List<V> elements, ValueAccessor<V> 
accessor);
+        public abstract float[] deserializeFloatArray(ByteBuffer input);

Review Comment:
   Having looked again, I see that the `deserializeFloatArray` is only 
implemented for the `Fixed` variant of the serializer, so it can be removed in 
favour of the `composeAsFloat`. The `deserializeFloatArray` was added because 
it could shortcut the deserialization by using the `FloatBuffer` to get the 
array. I have added a `ValueAccessor.toFloatArray` method in order to support 
this optimisation for `ByteBuffer`s.



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