Transform Query Engine

class llama_index.query_engine.transform_query_engine.TransformQueryEngine(query_engine: BaseQueryEngine, query_transform: BaseQueryTransform, transform_metadata: Optional[dict] = None, callback_manager: Optional[CallbackManager] = None)

Transform query engine.

Applies a query transform to a query bundle before passing

it to a query engine.

Parameters

  • query_engine (BaseQueryEngine) – A query engine object.

  • query_transform (BaseQueryTransform) – A query transform object.

  • transform_metadata (Optional[dict]) – metadata to pass to the query transform.

  • callback_manager (Optional[CallbackManager]) – A callback manager.

get_prompts() → Dict[str, BasePromptTemplate]

Get a prompt.

update_prompts(prompts_dict: Dict[str, BasePromptTemplate]) → None

Update prompts.

Other prompts will remain in place.