:mod:`langchain.vectorstores.pgvector`.PGVector
======================================================

.. currentmodule:: langchain.vectorstores.pgvector

.. autoclass:: PGVector

   
   
   .. rubric:: Methods

   .. autosummary::
   
      ~PGVector.__init__
      ~PGVector.aadd_documents
      ~PGVector.aadd_texts
      ~PGVector.add_documents
      ~PGVector.add_embeddings
      ~PGVector.add_texts
      ~PGVector.afrom_documents
      ~PGVector.afrom_texts
      ~PGVector.amax_marginal_relevance_search
      ~PGVector.amax_marginal_relevance_search_by_vector
      ~PGVector.as_retriever
      ~PGVector.asearch
      ~PGVector.asimilarity_search
      ~PGVector.asimilarity_search_by_vector
      ~PGVector.asimilarity_search_with_relevance_scores
      ~PGVector.connect
      ~PGVector.connection_string_from_db_params
      ~PGVector.create_collection
      ~PGVector.create_tables_if_not_exists
      ~PGVector.create_vector_extension
      ~PGVector.delete
      ~PGVector.delete_collection
      ~PGVector.drop_tables
      ~PGVector.from_documents
      ~PGVector.from_embeddings
      ~PGVector.from_existing_index
      ~PGVector.from_texts
      ~PGVector.get_collection
      ~PGVector.get_connection_string
      ~PGVector.max_marginal_relevance_search
      ~PGVector.max_marginal_relevance_search_by_vector
      ~PGVector.search
      ~PGVector.similarity_search
      ~PGVector.similarity_search_by_vector
      ~PGVector.similarity_search_with_relevance_scores
      ~PGVector.similarity_search_with_score
      ~PGVector.similarity_search_with_score_by_vector
   
   

   
   
   .. rubric:: Attributes

   .. autosummary::
   
      ~PGVector.distance_strategy
      ~PGVector.embeddings
   
   

.. example_links:: PGVector