langchain_community.document_loaders.max_compute
.MaxComputeLoader¶
- class langchain_community.document_loaders.max_compute.MaxComputeLoader(query: str, api_wrapper: MaxComputeAPIWrapper, *, page_content_columns: Optional[Sequence[str]] = None, metadata_columns: Optional[Sequence[str]] = None)[source]¶
Load from Alibaba Cloud MaxCompute table.
Initialize Alibaba Cloud MaxCompute document loader.
- Parameters
query (str) – SQL query to execute.
api_wrapper (MaxComputeAPIWrapper) – MaxCompute API wrapper.
page_content_columns (Optional[Sequence[str]]) – The columns to write into the page_content of the Document. If unspecified, all columns will be written to page_content.
metadata_columns (Optional[Sequence[str]]) – The columns to write into the metadata of the Document. If unspecified, all columns not added to page_content will be written.
Methods
__init__
(query, api_wrapper, *[, ...])Initialize Alibaba Cloud MaxCompute document loader.
A lazy loader for Documents.
aload
()Load data into Document objects.
from_params
(query, endpoint, project, *[, ...])Convenience constructor that builds the MaxCompute API wrapper from
A lazy loader for Documents.
load
()Load data into Document objects.
load_and_split
([text_splitter])Load Documents and split into chunks.
- __init__(query: str, api_wrapper: MaxComputeAPIWrapper, *, page_content_columns: Optional[Sequence[str]] = None, metadata_columns: Optional[Sequence[str]] = None)[source]¶
Initialize Alibaba Cloud MaxCompute document loader.
- Parameters
query (str) – SQL query to execute.
api_wrapper (MaxComputeAPIWrapper) – MaxCompute API wrapper.
page_content_columns (Optional[Sequence[str]]) – The columns to write into the page_content of the Document. If unspecified, all columns will be written to page_content.
metadata_columns (Optional[Sequence[str]]) – The columns to write into the metadata of the Document. If unspecified, all columns not added to page_content will be written.
- async alazy_load() AsyncIterator[Document] ¶
A lazy loader for Documents.
- Return type
AsyncIterator[Document]
- classmethod from_params(query: str, endpoint: str, project: str, *, access_id: Optional[str] = None, secret_access_key: Optional[str] = None, **kwargs: Any) MaxComputeLoader [source]¶
- Convenience constructor that builds the MaxCompute API wrapper from
given parameters.
- Parameters
query (str) – SQL query to execute.
endpoint (str) – MaxCompute endpoint.
project (str) – A project is a basic organizational unit of MaxCompute, which is similar to a database.
access_id (Optional[str]) – MaxCompute access ID. Should be passed in directly or set as the environment variable MAX_COMPUTE_ACCESS_ID.
secret_access_key (Optional[str]) – MaxCompute secret access key. Should be passed in directly or set as the environment variable MAX_COMPUTE_SECRET_ACCESS_KEY.
kwargs (Any) –
- Return type
- lazy_load() Iterator[Document] [source]¶
A lazy loader for Documents.
- Return type
Iterator[Document]
- load_and_split(text_splitter: Optional[TextSplitter] = None) List[Document] ¶
Load Documents and split into chunks. Chunks are returned as Documents.
Do not override this method. It should be considered to be deprecated!
- Parameters
text_splitter (Optional[TextSplitter]) – TextSplitter instance to use for splitting documents. Defaults to RecursiveCharacterTextSplitter.
- Returns
List of Documents.
- Return type
List[Document]