How's a database being columnar irrelevant to vector search? This very vector search extension shows that brute force search can work surprisingly well up to a

How's a database being columnar irrelevant to vector search? This very vector search extension shows that brute force search can work surprisingly well up to a certain dataset size and at this point columnar storage is great because it gives a perfect memory access pattern for the vector search instead of iterating over all the rows of a table and only accessing the vector of a row.