Class that extends the VectorStore class and provides methods to interact with the Cloudflare Vectorize vector database.

Hierarchy

Constructors

Properties

FilterType: string | object
caller: AsyncCaller
embeddings: Embeddings
index: VectorizeIndex
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
textKey: string
namespace?: string

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

  • Method that adds documents to the Vectorize database.

    Parameters

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

      Array of documents to add.

    • Optional options: string[] | {
          ids?: string[];
      }

      Optional ids for the documents.

    Returns Promise<string[]>

    Promise that resolves with the ids of the added documents.

  • Method that adds vectors to the Vectorize database.

    Parameters

    • vectors: number[][]

      Array of vectors to add.

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

      Array of documents associated with the vectors.

    • Optional options: string[] | {
          ids?: string[];
      }

      Optional ids for the vectors.

    Returns Promise<string[]>

    Promise that resolves with the ids of the added vectors.

  • Method that performs a similarity search in the Vectorize database and returns the results along with their scores.

    Parameters

    • query: number[]

      Query vector for the similarity search.

    • k: number

      Number of top results to return.

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

    Promise that resolves with an array of documents and their scores.

  • 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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