ElCarroChatMessageHistory(
    elcarro_engine: langchain_google_el_carro.engine.ElCarroEngine,
    session_id: str,
    table_name: str,
)Chat message history stored in an ElCarro-Oracle database.
Parameters | 
      |
|---|---|
| Name | Description | 
elcarro_engine | 
        
  	ElCarroEngine
  	ElCarroEngine connection object.  | 
      
session_id | 
        
  	str
  	Arbitrary key that is used to store the messages of a single chat session.  | 
      
table_name | 
        
  	str
  	The name of the table to use for storing/retrieving the chat message history.  | 
      
Properties
messages
Retrieve the messages from database
Methods
add_message
add_message(message: langchain_core.messages.base.BaseMessage) -> NoneAppend the message to the record in the database
clear
clear() -> NoneClear session memory from the database