How to load existing db to similarity search?

hi!

the text_key, for Langchain, will be the property where it will store the actual content chunk in the vector store.

On your case, you can pass it as text_key as “content” and title goes as metadata.

Check this topic:

It’s a little bit “old” as the code for Weaviate + Langchain has changed, but I have digged into this in the past.