Buffer Window Memory

Use database table chat_message as the storage mechanism for storing/retrieving conversations.

Difference being it only fetches the last K interactions. This approach is beneficial for preserving a sliding window of the most recent interactions, ensuring the buffer remains manageable in size.

Input

Parameter	Description	Default
Size	Last K messages to fetch	4
Session Id	An ID to retrieve/store messages. If not specified, a random ID will be used.
Memory Key	A key used to format messages in prompt template	chat_history