Package Classes (0.8.0)

Chat message history that stores history in Bigtable.

Manages the client and execution context, handling the

async/sync conversion via a background event loop.

This class is the core of the async/sync interoperability, providing a reusable component that can be shared across multiple store instances to conserve resources.

LangChain Key-value store implementation for Google Cloud Bigtable, supporting both sync and async methods using BigtableEngine.

Load from the Google Cloud Platform Bigtable.

Load from the Google Cloud Platform Bigtable.

An enumeration.

MetadataMapping(column_family: 'str', column_name: 'str', metadata_key: 'str', encoding: 'Encoding', custom_encoding_func: 'Callable[[Any], bytes]' = <function MetadataMapping.__not_implemented at 0x7f0c18356560>, custom_decoding_func: 'Callable[[bytes], Any]' = <function MetadataMapping.__not_implemented at 0x7f0c18356560>)

A vector store implementation using Google Cloud Bigtable.

This class provides the main user-facing interface, conforming to the langchain_core.vectorstores.VectorStore standard, and handles both synchronous and asynchronous operations by wrapping an async core.

Bigtable-based chat message history

API documentation for engine module.

API documentation for key_value_store module.

API documentation for loader module.

API documentation for vector_store module.