LangChain 1 · Retrieval (RAG)
Store chunks in a vector store
Use the in-memory store to experiment. Swap in Chroma, pgvector or another store for real data.
from langchain_core.vectorstores import InMemoryVectorStore
vector_store = InMemoryVectorStore(embeddings)
vector_store.add_documents(chunks)
Official LangChain 1 documentation