diff --git a/README.md b/README.md index 0b5f0bca..2bbce506 100644 --- a/README.md +++ b/README.md @@ -33,6 +33,25 @@ source /bin/activate /bin/pip install langchain-google-spanner ``` +## Vector Store Usage + +Use a vector store to store embedded data and perform vector search. + +```python +from langchain_google_sapnner import SpannerVectorstore +from langchain.embeddings import VertexAIEmbeddings + +embeddings_service = VertexAIEmbeddings() +vectorstore = SpannerVectorStore( + instance_id="my-instance", + database_id="my-database", + table_name="my-table", + embeddings=embedding_service +) +``` + +See the full [Vector Store][vectorstore] tutorial. + ## Document Loader Usage Use a document loader to load data as LangChain `Document`s. @@ -94,4 +113,5 @@ This is not an officially supported Google product. [venv]: https://virtualenv.pypa.io/en/latest/ [loader]: ./docs/document_loader.ipynb [history]: ./docs/chat_message_history.ipynb +[vectorstore]: ./docs/vector_store.ipynb [langchain]: https://github.com/langchain-ai/langchain