langchain_community.cache.SQLAlchemyMd5Cache¶

class langchain_community.cache.SQLAlchemyMd5Cache(engine: ~sqlalchemy.engine.base.Engine, cache_schema: ~typing.Type[~langchain_community.cache.FullMd5LLMCache] = <class 'langchain_community.cache.FullMd5LLMCache'>)[source]¶

Cache that uses SQAlchemy as a backend.

Initialize by creating all tables.

Methods

__init__(engine[, cache_schema])

Initialize by creating all tables.

aclear(**kwargs)

Clear cache that can take additional keyword arguments.

alookup(prompt, llm_string)

Look up based on prompt and llm_string.

aupdate(prompt, llm_string, return_val)

Update cache based on prompt and llm_string.

clear(**kwargs)

Clear cache.

get_md5(input_string)

lookup(prompt, llm_string)

Look up based on prompt and llm_string.

update(prompt, llm_string, return_val)

Update based on prompt and llm_string.
Parameters
__init__(engine: ~sqlalchemy.engine.base.Engine, cache_schema: ~typing.Type[~langchain_community.cache.FullMd5LLMCache] = <class 'langchain_community.cache.FullMd5LLMCache'>)[source]¶

Initialize by creating all tables.

Parameters
async aclear(**kwargs: Any) → None¶

Clear cache that can take additional keyword arguments.

Parameters

kwargs (Any) –

Return type

None

async alookup(prompt: str, llm_string: str) → Optional[Sequence[Generation]]¶

Look up based on prompt and llm_string.

Parameters

  • prompt (str) –

  • llm_string (str) –

Return type

Optional[Sequence[Generation]]

async aupdate(prompt: str, llm_string: str, return_val: Sequence[Generation]) → None¶

Update cache based on prompt and llm_string.

Parameters

  • prompt (str) –

  • llm_string (str) –

  • return_val (Sequence[Generation]) –

Return type

None

clear(**kwargs: Any) → None[source]¶

Clear cache.

Parameters

kwargs (Any) –

Return type

None

static get_md5(input_string: str) → str[source]¶
Parameters

input_string (str) –

Return type

str

lookup(prompt: str, llm_string: str) → Optional[Sequence[Generation]][source]¶

Look up based on prompt and llm_string.

Parameters

  • prompt (str) –

  • llm_string (str) –

Return type

Optional[Sequence[Generation]]

update(prompt: str, llm_string: str, return_val: Sequence[Generation]) → None[source]¶

Update based on prompt and llm_string.

Parameters

  • prompt (str) –

  • llm_string (str) –

  • return_val (Sequence[Generation]) –

Return type

None