This page covers how to use the Lantern within LangChain It is broken into two parts: setup, and then references to specific Lantern wrappers.
The first step is to create a database with the
Follow the steps at Lantern Installation Guide to install the database and the extension. The docker image is the easiest way to get started.
There exists a wrapper around Postgres vector databases, allowing you to use it as a vectorstore, whether for semantic search or example selection.
To import this vectorstore:
from langchain_community.vectorstores import Lantern
For a more detailed walkthrough of the Lantern Wrapper, see this notebook