DefaultMessageConverter#

class langchain_community.chat_message_histories.sql.DefaultMessageConverter(table_name: str)[source]#

The default message converter for SQLChatMessageHistory.

Methods

__init__(table_name)

from_sql_model(sql_message)

Convert a SQLAlchemy model to a BaseMessage instance.

get_sql_model_class()

Get the SQLAlchemy model class.

to_sql_model(message,Β session_id)

Convert a BaseMessage instance to a SQLAlchemy model.

Parameters:

table_name (str)

__init__(table_name: str)[source]#
Parameters:

table_name (str)

from_sql_model(sql_message: Any) β†’ BaseMessage[source]#

Convert a SQLAlchemy model to a BaseMessage instance.

Parameters:

sql_message (Any)

Return type:

BaseMessage

get_sql_model_class() β†’ Any[source]#

Get the SQLAlchemy model class.

Return type:

Any

to_sql_model(message: BaseMessage, session_id: str) β†’ Any[source]#

Convert a BaseMessage instance to a SQLAlchemy model.

Parameters:
Return type:

Any