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    Pythonlangchain-classicchainsroutermulti_retrieval_qaMultiRetrievalQAChain
    Class●Since v1.0

    MultiRetrievalQAChain

    Copy
    MultiRetrievalQAChain()

    Bases

    MultiRouteChain

    Attributes

    Methods

    Inherited fromMultiRouteChain

    Attributes

    Asilent_errors: bool
    —

    If True, use default_chain when an invalid destination name is provided.

    Amodel_configAinput_keys: list[str]

    Inherited fromChain

    View source on GitHub

    Attributes

    Amemory: BaseMemory | None
    —

    Optional memory object.

    Acallbacks: CallbacksAverbose: boolAtags: list[str] | NoneAmetadata: dict[str, Any] | NoneAcallback_manager: BaseCallbackManager | None
    —

    [DEPRECATED] Use callbacks instead.

    Amodel_configAinput_keys: list[str]

    Methods

    Mget_input_schemaMget_output_schemaMinvokeMainvokeMraise_callback_manager_deprecation
    —

    Raise deprecation warning if callback_manager is used.

    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
    router_chain: LLMRouterChain

    Chain for deciding a destination chain and the input to it.

    attribute
    destination_chains: Mapping[str, BaseRetrievalQA]

    Map of name to candidate chains that inputs can be routed to.

    attribute
    default_chain: Chain

    Default chain to use when router doesn't map input to one of the destinations.

    attribute
    output_keys: list[str]
    method
    from_retrievers

    Create a multi retrieval qa chain from an LLM and a default chain.

    Multi Retrieval QA Chain.

    A multi-route chain that uses an LLM router chain to choose amongst retrieval qa chains.

    M
    set_verbose
    —

    Set the chain verbosity.

    Macall
    —

    Asynchronously execute the chain.

    Mprep_outputs
    —

    Validate and prepare chain outputs, and save info about this run to memory.

    Maprep_outputs
    —

    Validate and prepare chain outputs, and save info about this run to memory.

    Mprep_inputs
    —

    Prepare chain inputs, including adding inputs from memory.

    Maprep_inputs
    —

    Prepare chain inputs, including adding inputs from memory.

    Mrun
    —

    Convenience method for executing chain.

    Marun
    —

    Convenience method for executing chain.

    Mdict
    —

    Return dictionary representation of agent.

    Msave
    —

    Save the agent.

    Mapply
    —

    Utilize the LLM generate method for speed gains.

    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