Class that extends VectorStore. It allows to perform similarity search using Voi similarity search engine. The class requires passing Voy Client as an input parameter.

Hierarchy

Constructors

Properties

FilterType: string | object
client: VoyClient
docstore: InternalDoc[] = []
embeddings: Embeddings
lc_kwargs: SerializedFields
lc_namespace: string[] = ...

A path to the module that contains the class, eg. ["langchain", "llms"] Usually should be the same as the entrypoint the class is exported from.

lc_serializable: boolean = false
numDimensions: null | number = null

Accessors

  • get lc_aliases(): undefined | {
        [key: string]: string;
    }
  • A map of aliases for constructor args. Keys are the attribute names, e.g. "foo". Values are the alias that will replace the key in serialization. This is used to eg. make argument names match Python.

    Returns undefined | {
        [key: string]: string;
    }

  • get lc_attributes(): undefined | SerializedFields
  • A map of additional attributes to merge with constructor args. Keys are the attribute names, e.g. "foo". Values are the attribute values, which will be serialized. These attributes need to be accepted by the constructor as arguments.

    Returns undefined | SerializedFields

  • get lc_secrets(): undefined | {
        [key: string]: string;
    }
  • A map of secrets, which will be omitted from serialization. Keys are paths to the secret in constructor args, e.g. "foo.bar.baz". Values are the secret ids, which will be used when deserializing.

    Returns undefined | {
        [key: string]: string;
    }

Methods

  • Adds documents to the Voy database. The documents are embedded using embeddings provided while instantiating the class.

    Parameters

    • documents: Document<Record<string, any>>[]

      An array of Document instances associated with the vectors.

    Returns Promise<void>

  • Adds vectors to the Voy database. The vectors are associated with the provided documents.

    Parameters

    • vectors: number[][]

      An array of vectors to be added to the database.

    • documents: Document<Record<string, any>>[]

      An array of Document instances associated with the vectors.

    Returns Promise<void>

  • Method to delete data from the Voy index. It can delete data based on specific IDs or a filter.

    Parameters

    • params: {
          deleteAll?: boolean;
      }

      Object that includes either an array of IDs or a filter for the data to be deleted.

      • Optional deleteAll?: boolean

    Returns Promise<void>

    Promise that resolves when the deletion is complete.

  • Searches for vectors in the Voy database that are similar to the provided query vector.

    Parameters

    • query: number[]

      The query vector.

    • k: number

      The number of similar vectors to return.

    Returns Promise<[Document<Record<string, any>>, number][]>

    A promise that resolves with an array of tuples, each containing a Document instance and a similarity score.

  • Creates a new VoyVectorStore instance from an array of Document instances. The documents are added to the Voy database.

    Parameters

    • docs: Document<Record<string, any>>[]

      An array of Document instances.

    • embeddings: Embeddings

      An Embeddings instance used to generate embeddings for the documents.

    • client: VoyClient

      An instance of Voy client to use in the underlying operations.

    Returns Promise<VoyVectorStore>

    A promise that resolves with a new VoyVectorStore instance.

  • Creates a new VoyVectorStore instance from an array of text strings. The text strings are converted to Document instances and added to the Voy database.

    Parameters

    • texts: string[]

      An array of text strings.

    • metadatas: object | object[]

      An array of metadata objects or a single metadata object. If an array is provided, it must have the same length as the texts array.

    • embeddings: Embeddings

      An Embeddings instance used to generate embeddings for the documents.

    • client: VoyClient

      An instance of Voy client to use in the underlying operations.

    Returns Promise<VoyVectorStore>

    A promise that resolves with a new VoyVectorStore instance.

  • The name of the serializable. Override to provide an alias or to preserve the serialized module name in minified environments.

    Implemented as a static method to support loading logic.

    Returns string

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