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