MongoDB Community Hub

Filtering the results of Vector Search with LangChain

MongoDB Atlas Vector Search

python

Prakul_Agarwal (Prakul Agarwal) December 3, 2023, 5:06am 8

preFilter configuration and indexing for Langchain retriever Vector Search

Hi @Adrien_Le_Clair , which version of Langchain JS are you using? In v0.0.165 we released the use of $vectorSearch syntax in Langchain - Release notes , PR If using langchain JS >= v0.0.165 requires two changes to the code you posted: In the Atlas Vector Search index definition use the following { "mappings": { "fields": { "field1": { "type": "token", "normalizer": "lowercase" }, "embedding": [ { "dimensions": 1536, "sim…

show post in topic

Home
Categories
Guidelines
Terms of Service
Privacy Policy

Powered by Discourse, best viewed with JavaScript enabled