This page covers how to use LanceDB within LangChain. It is broken into two parts: installation and setup, and then references to specific LanceDB wrappers.

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Installation and Setup

  • Install the Python SDK with pip install lancedb

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Wrappers

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VectorStore

There exists a wrapper around LanceDB 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 LanceDB
For a more detailed walkthrough of the LanceDB wrapper, see this notebook