BaseMessageConverter#
- class langchain_community.chat_message_histories.sql.BaseMessageConverter[source]#
Convert BaseMessage to the SQLAlchemy model.
Methods
from_sql_model
(sql_message)Convert a SQLAlchemy model to a BaseMessage instance.
Get the SQLAlchemy model class.
to_sql_model
(message,Β session_id)Convert a BaseMessage instance to a SQLAlchemy model.
- abstractmethod from_sql_model(
- sql_message: Any,
Convert a SQLAlchemy model to a BaseMessage instance.
- Parameters:
sql_message (Any)
- Return type:
- abstractmethod to_sql_model(
- message: BaseMessage,
- session_id: str,
Convert a BaseMessage instance to a SQLAlchemy model.
- Parameters:
message (BaseMessage)
session_id (str)
- Return type:
Any