75 lines
4.2 KiB
TypeScript
75 lines
4.2 KiB
TypeScript
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import type { EmbeddingsInterface } from "@langchain/core/embeddings";
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import { VectorStore } from "@langchain/core/vectorstores";
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import { Document } from "@langchain/core/documents";
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/**
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* Type definition for the arguments required to initialize a
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* TigrisVectorStore instance.
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*/
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export type TigrisLibArgs = {
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index: any;
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};
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/**
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* Class for managing and operating vector search applications with
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* Tigris, an open-source Serverless NoSQL Database and Search Platform.
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*/
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export declare class TigrisVectorStore extends VectorStore {
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index?: any;
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_vectorstoreType(): string;
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constructor(embeddings: EmbeddingsInterface, args: TigrisLibArgs);
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/**
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* Method to add an array of documents to the Tigris database.
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* @param documents An array of Document instances to be added to the Tigris database.
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* @param options Optional parameter that can either be an array of string IDs or an object with a property 'ids' that is an array of string IDs.
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* @returns A Promise that resolves when the documents have been added to the Tigris database.
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*/
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addDocuments(documents: Document[], options?: {
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ids?: string[];
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} | string[]): Promise<void>;
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/**
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* Method to add vectors to the Tigris database.
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* @param vectors An array of vectors to be added to the Tigris database.
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* @param documents An array of Document instances corresponding to the vectors.
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* @param options Optional parameter that can either be an array of string IDs or an object with a property 'ids' that is an array of string IDs.
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* @returns A Promise that resolves when the vectors have been added to the Tigris database.
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*/
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addVectors(vectors: number[][], documents: Document[], options?: {
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ids?: string[];
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} | string[]): Promise<void>;
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/**
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* Method to perform a similarity search in the Tigris database and return
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* the k most similar vectors along with their similarity scores.
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* @param query The query vector.
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* @param k The number of most similar vectors to return.
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* @param filter Optional filter object to apply during the search.
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* @returns A Promise that resolves to an array of tuples, each containing a Document and its similarity score.
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*/
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similaritySearchVectorWithScore(query: number[], k: number, filter?: object): Promise<[Document<Record<string, any>>, number][]>;
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/**
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* Static method to create a new instance of TigrisVectorStore from an
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* array of texts.
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* @param texts An array of texts to be converted into Document instances and added to the Tigris database.
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* @param metadatas Either an array of metadata objects or a single metadata object to be associated with the texts.
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* @param embeddings An instance of Embeddings to be used for embedding the texts.
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* @param dbConfig An instance of TigrisLibArgs to be used for configuring the Tigris database.
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* @returns A Promise that resolves to a new instance of TigrisVectorStore.
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*/
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static fromTexts(texts: string[], metadatas: object[] | object, embeddings: EmbeddingsInterface, dbConfig: TigrisLibArgs): Promise<TigrisVectorStore>;
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/**
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* Static method to create a new instance of TigrisVectorStore from an
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* array of Document instances.
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* @param docs An array of Document instances to be added to the Tigris database.
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* @param embeddings An instance of Embeddings to be used for embedding the documents.
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* @param dbConfig An instance of TigrisLibArgs to be used for configuring the Tigris database.
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* @returns A Promise that resolves to a new instance of TigrisVectorStore.
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*/
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static fromDocuments(docs: Document[], embeddings: EmbeddingsInterface, dbConfig: TigrisLibArgs): Promise<TigrisVectorStore>;
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/**
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* Static method to create a new instance of TigrisVectorStore from an
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* existing index.
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* @param embeddings An instance of Embeddings to be used for embedding the documents.
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* @param dbConfig An instance of TigrisLibArgs to be used for configuring the Tigris database.
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* @returns A Promise that resolves to a new instance of TigrisVectorStore.
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*/
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static fromExistingIndex(embeddings: EmbeddingsInterface, dbConfig: TigrisLibArgs): Promise<TigrisVectorStore>;
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}
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