TiDBChatMessageHistory

TiDBChatMessageHistory(
  self,
  session_id: str,
  connection_string: str,
  table_name: str = 'langchain_message_store'

Bases

BaseChatMessageHistory

Name	Type	Description
`session_id`*	`str`	The ID of the chat session.
`connection_string`*	`str`	The connection string for the TiDB database. format: mysql+pymysql://:@:4000/?ssl_ca=/etc/ssl/cert.pem&ssl_verify_cert=true&ssl_verify_identity=true
`table_name`	`str`	Default:`'langchain_message_store'` the table name to store the chat messages. Defaults to "langchain_message_store".
`earliest_time`	`Optional[datetime]`	Default:`None`