remove centroids index type

Author: robbespo00

weaviate/collections/classes/config.py

@@ -35,7 +35,6 @@
     PQEncoderDistribution,
     PQEncoderType,
     VectorFilterStrategy,
-    VectorCentroidsIndexType,
     _BQConfigUpdate,
     _PQConfigUpdate,
     _PQEncoderConfigUpdate,
@@ -1603,7 +1602,6 @@ class _VectorIndexConfigSPFresh(_VectorIndexConfig):
     replicas: int
     rng_factor: int
     search_probe: int
-    centroids_index_type: VectorCentroidsIndexType
 
     @staticmethod
     def vector_index_type() -> str:

weaviate/collections/classes/config_methods.py

@@ -12,7 +12,6 @@
     VectorDistances,
     VectorFilterStrategy,
     VectorIndexType,
-    VectorCentroidsIndexType,
     Vectorizers,
     _BM25Config,
     _BQConfig,
@@ -221,11 +220,6 @@ def __get_spfresh_config(config: Dict[str, Any]) -> _VectorIndexConfigSPFresh:
         replicas=config["replicas"],
         rng_factor=config["rngFactor"],
         search_probe=config["searchProbe"],
-        centroids_index_type=(
-            VectorCentroidsIndexType(config["centroidsIndexType"])
-            if "centroidsIndexType" in config
-            else VectorCentroidsIndexType.HNSW
-        ),
         quantizer=quantizer,
         multi_vector=None,
     )

weaviate/collections/classes/config_vector_index.py

@@ -44,18 +44,6 @@ class VectorIndexType(str, Enum):
     SPFRESH = "spfresh"
 
 
-class VectorCentroidsIndexType(str, Enum):
-    """The available index type that can be used for centroids in SPFresh.
-    
-    Attributes:
-        HNSW: Hierarchical Navigable Small World (HNSW) index.
-        FLAT: flat index. 
-    """
-
-    HNSW = "hnsw"
-    FLAT = "bruteforce"
-
-
 class _MultiVectorConfigCreateBase(_ConfigCreateModel):
     enabled: bool = Field(default=True)
 
@@ -148,7 +136,6 @@ class _VectorIndexConfigSPFreshCreate(_VectorIndexConfigCreate):
     replicas: Optional[int]
     rngFactor: Optional[int]
     searchProbe: Optional[int]
-    centroidsIndexType: Optional[VectorCentroidsIndexType]
 
     @staticmethod
     def vector_index_type() -> VectorIndexType:
@@ -611,7 +598,6 @@ def spfresh(
         replicas: Optional[int] = None,
         rng_factor: Optional[int] = None,
         search_probe: Optional[int] = None,
-        centroids_index_type: Optional[VectorCentroidsIndexType] = None,
         quantizer: Optional[_QuantizerConfigCreate] = None,
         multi_vector: Optional[_MultiVectorConfigCreate] = None,
 
@@ -630,7 +616,6 @@ def spfresh(
             replicas=replicas,
             rngFactor=rng_factor,
             searchProbe=search_probe,
-            centroidsIndexType=centroids_index_type,
             quantizer=quantizer,
             multivector=multi_vector,
         )

weaviate/collections/classes/config_vectors.py

@@ -137,7 +137,6 @@ def __spfresh(*, quantizer: Optional[_QuantizerConfigCreate]) -> _VectorIndexCon
             replicas=None,
             rngFactor=None,
             searchProbe=None,
-            centroidsIndexType=None,
             quantizer=quantizer,
             multivector=None,
             distance=None,