mirror of
https://github.com/langchain-ai/langchain.git
synced 2026-10-09 19:35:20 +03:00
This PR adds support for metadata filters of the form:
`{"filter": {"key": { "NIN" : ["list", "of", "values"]}}}`
"IN" is already supported, so this is a quick & related update to add
"NIN"