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dirkkul opened this issue Apr 24, 2025 · 1 comment · May be fixed by #1659
Open

Refactor collection creation to prefer named vectors #1654

dirkkul opened this issue Apr 24, 2025 · 1 comment · May be fixed by #1659
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@tsmith023

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@dirkkul
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dirkkul commented Apr 24, 2025

Currently we have two ways of creating vector indices:

  • legacy:
        vector_index_config=Configure.VectorIndex.hnsw(),
        vectorizer_config=Configure.Vectorizer.none(),
  • named vectors
        vectorizer_config=[
            wvc.config.Configure.NamedVectors.text2vec_contextionary(
                "title",
                source_properties=["title"],
                vectorize_collection_name=False,
                vector_index_config=wvc.config.Configure.VectorIndex.flat(
                    distance_metric=wvc.config.VectorDistances.HAMMING,
                    quantizer=wvc.config.Configure.VectorIndex.Quantizer.bq(rescore_limit=10),
                ),
            ),
            wvc.config.Configure.NamedVectors.none(
                "custom",
            ),
            wvc.config.Configure.NamedVectors.text2vec_contextionary(
                "default",
                vectorize_collection_name=False,  # needed as contextionary cant handle "_" in collection names
            ),
        ],

Instead we should:

  • deprecate both ways of setting vectorizers in Configure
  • deprecate vectorizer_config
  • replace it with NamedVectorsByDefault that does not contain named vectors
@tsmith023
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Required core PR: weaviate/weaviate#7933, fixes misalignment between legacy/named vectors API surface for groupBy hits

@tsmith023 tsmith023 linked a pull request Apr 28, 2025 that will close this issue
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Vectors/deprecate legacy introduce named vectors only syntax weaviate/weaviate-python-client
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@dirkkul @tsmith023