Metadata filtering mechanism in Databricks Vector Search

SaiVihAI
New Contributor

Does Databricks vector search support pre-filtering or post-filtering or both in metadata filtering?

Alberto_Umana
Databricks Employee
Databricks Employee

Hello @SaiVihAI,

Yes, It uses in-query filtering. The algorithm takes a series of iterative steps to determine if the filtered set is small enough to execute brute-force search or if it proceeds with AN