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    Pythonlangchain-classicretrieversmulti_queryMultiQueryRetriever
    Class●Since v1.0

    MultiQueryRetriever

    Copy
    MultiQueryRetriever()

    Bases

    BaseRetriever

    Used in Docs

    • Uptrain integration
    • Vectara integration

    Attributes

    Methods

    Inherited fromBaseRetriever(langchain_core)

    Attributes

    Amodel_configAtagsAmetadata

    Methods

    Minvoke
    View source on GitHub
    M
    ainvoke

    Inherited fromRunnableSerializable(langchain_core)

    Attributes

    AnameAmodel_config

    Methods

    Mto_jsonMconfigurable_fieldsMconfigurable_alternatives

    Inherited fromSerializable(langchain_core)

    Attributes

    Alc_secretsAlc_attributesAmodel_config

    Methods

    Mis_lc_serializableMget_lc_namespaceMlc_idMto_jsonMto_json_not_implemented

    Inherited fromRunnable(langchain_core)

    Attributes

    AnameAInputTypeAOutputTypeAinput_schemaAoutput_schemaAconfig_specs

    Methods

    Mget_nameMget_input_schemaMget_input_jsonschemaMget_output_schemaMget_output_jsonschemaM
    attribute
    retriever: BaseRetriever
    attribute
    llm_chain: Runnable
    attribute
    verbose: bool
    attribute
    parser_key: str

    DEPRECATED. parser_key is no longer used and should not be specified.

    attribute
    include_original: bool

    Whether to include the original query in the list of generated queries.

    method
    from_llm

    Initialize from llm using default template.

    method
    agenerate_queries

    Generate queries based upon user input.

    method
    aretrieve_documents

    Run all LLM generated queries.

    method
    generate_queries

    Generate queries based upon user input.

    method
    retrieve_documents

    Run all LLM generated queries.

    method
    unique_union

    Get unique Documents.

    Given a query, use an LLM to write a set of queries.

    Retrieve docs for each query. Return the unique union of all retrieved docs.

    config_schema
    Mget_config_jsonschema
    Mget_graph
    Mget_prompts
    Mpipe
    Mpick
    Massign
    Minvoke
    Mainvoke
    Mbatch
    Mbatch_as_completed
    Mabatch
    Mabatch_as_completed
    Mstream
    Mastream
    Mastream_log
    Mastream_events
    Mtransform
    Matransform
    Mbind
    Mwith_config
    Mwith_listeners
    Mwith_alisteners
    Mwith_types
    Mwith_retry
    Mmap
    Mwith_fallbacks
    Mas_tool