langchain.utilities.max_compute.MaxComputeAPIWrapper

class langchain.utilities.max_compute.MaxComputeAPIWrapper(client: ODPS)[source]

Interface for querying Alibaba Cloud MaxCompute tables.

Initialize MaxCompute document loader.

Parameters

client – odps.ODPS MaxCompute client object.

Methods

__init__(client)

Initialize MaxCompute document loader.

from_params(endpoint, project, *[, ...])

Convenience constructor that builds the odsp.ODPS MaxCompute client from

lazy_query(query)

query(query)

__init__(client: ODPS)[source]

Initialize MaxCompute document loader.

Parameters

client – odps.ODPS MaxCompute client object.

classmethod from_params(endpoint: str, project: str, *, access_id: Optional[str] = None, secret_access_key: Optional[str] = None) MaxComputeAPIWrapper[source]
Convenience constructor that builds the odsp.ODPS MaxCompute client from

given parameters.

Parameters
  • endpoint – MaxCompute endpoint.

  • project – A project is a basic organizational unit of MaxCompute, which is similar to a database.

  • access_id – MaxCompute access ID. Should be passed in directly or set as the environment variable MAX_COMPUTE_ACCESS_ID.

  • secret_access_key – MaxCompute secret access key. Should be passed in directly or set as the environment variable MAX_COMPUTE_SECRET_ACCESS_KEY.

lazy_query(query: str) Iterator[dict][source]
query(query: str) List[dict][source]