Optional filterMethod to add documents to the vector store. It converts the documents into vectors, and adds them to the store.
Array of Document instances.
Optional options: { Optional arguments for adding documents
Optional ids?: string[]Promise that resolves when the documents have been added.
Method to add vectors to the vector store. It converts the vectors into rows and inserts them into the database.
Array of vectors.
Array of Document instances.
Optional options: { Optional arguments for adding documents
Optional ids?: string[]Promise that resolves when the vectors have been added.
Method to delete documents from the vector store. It deletes the documents that match the provided ids.
Optional deleteOptional ids?: string[]Promise that resolves when the documents have been deleted.
Method to perform a similarity search in the vector store. It returns
the k most similar documents to the query vector, along with their
similarity scores.
Query vector.
Number of most similar documents to return.
Optional filter: MetadataOptional filter to apply to the search.
Promise that resolves with an array of tuples, each containing a Document and its similarity score.
Static fromStatic method to create a new NeonPostgres instance from an
array of Document instances. It adds the documents to the store.
Array of Document instances.
Embeddings instance.
NeonPostgreseArgs instance.
Promise that resolves with a new instance of NeonPostgres.
Static fromStatic method to create a new NeonPostgres instance from an
array of texts and their metadata. It converts the texts into
Document instances and adds them to the store.
Array of texts.
Array of metadata objects or a single metadata object.
Embeddings instance.
NeonPostgresArgs instance.
Promise that resolves with a new instance of NeonPostgresArgs.
Static initializeStatic method to create a new NeonPostgres instance from a
connection. It creates a table if one does not exist.
Embeddings instance.
A new instance of NeonPostgres.
Protected runConstructs the SQL query for inserting rows into the specified table.
The rows of data to be inserted, consisting of values and records.
The complete SQL INSERT INTO query string.
Generated using TypeDoc
Class that provides an interface to a Neon Postgres database. It extends the
VectorStorebase class and implements methods for adding documents and vectors, performing similarity searches, and ensuring the existence of a table in the database.