langchain.memory.chat_message_histories.xata.XataChatMessageHistory¶
class langchain.memory.chat_message_histories.xata.XataChatMessageHistory(session_id: str, db_url: str, api_key: str, branch_name: str = 'main', table_name: str = 'messages', create_table: bool = True)[source]¶
Chat message history stored in a Xata database.
Initialize with Xata client.
Attributes
messages
Methods
__init__(session_id, db_url, api_key[, ...])
Initialize with Xata client.
add_ai_message(message)
Convenience method for adding an AI message string to the store.
add_message(message)
Append the message to the Xata table
add_user_message(message)
Convenience method for adding a human message string to the store.
clear()
Delete session from Xata table.
__init__(session_id: str, db_url: str, api_key: str, branch_name: str = 'main', table_name: str = 'messages', create_table: bool = True) → None[source]¶
Initialize with Xata client.
add_ai_message(message: str) → None¶
Convenience method for adding an AI message string to the store.
Parameters
message – The string contents of an AI message.
add_message(message: BaseMessage) → None[source]¶
Append the message to the Xata table
add_user_message(message: str) → None¶
Convenience method for adding a human message string to the store.
Parameters
message – The string contents of a human message.
clear() → None[source]¶
Delete session from Xata table.
Examples using XataChatMessageHistory¶
Xata chat memory