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Pythonlanggraph.store.postgresbaseANNIndexConfig

Class●Since v2.0

ANNIndexConfig

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ANNIndexConfig()

Bases

TypedDict

Constructors

Attributes

View source on GitHub

constructor

__init__

Name	Type
kind	Literal['hnsw', 'ivfflat', 'flat']
vector_type	Literal['vector', 'halfvec']

kind: Literal['hnsw', 'ivfflat', 'flat']

Type of index to use: 'hnsw' for Hierarchical Navigable Small World, or 'ivfflat' for Inverted File Flat.

vector_type: Literal['vector', 'halfvec']

Type of vector storage to use. Options:

'vector': Regular vectors (default)
'halfvec': Half-precision vectors for reduced memory usage

Configuration for vector index in PostgreSQL store.