benwtrent commented on issue #10665:
URL: https://github.com/apache/lucene/issues/10665#issuecomment-1297430223
@ovalhub `numpy` collections are already native. To use them, I have to pull
them into python collections and then cast them to be native again.
Example:
```
X = X.tolist()
doc.add(KnnVectorField("knn", JArray('float')(X), fieldType))
```
The `.toList()` is weird to me as `X` is already a natively backed float
array, just a numpy object.
Admittedly, I may be misunderstanding how the communication between Python
-> `native` -> Java is done. But it SEEMS that calling `tolist` for numpy
unnecessarily pulls an already native collection into a generic python list.
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