Load documents from Google Cloud BigQuery.
Inherits from BaseLoader.
Each row becomes a document. Columns can be mapped to page_content or
metadata. By default, all columns map to page_content.
Requires additional dependencies:
pip install langchain-google-community[bigquery]Optional. The columns to write into the page_content
of the document.
Optional. The columns to write into the metadata of the
document.
Optional. Credentials for accessing Google APIs. Use this
parameter to override default credentials, such as to use Compute Engine
(google.auth.compute_engine.Credentials) or Service Account
(google.oauth2.service_account.Credentials) credentials directly.