Indexing k-d tree?

问题

I need to index a k-d tree, and be able to match part of it later.
Is MySQL capable of ? Are there any alternatives?

回答1:

You can try PostgreSQL 9.1.It can support Nearest Neighbor Search Indexes

http://excoventures.com/talks/knn.pdf

回答2:

I answer myself: current database can't index and search kd-tree.

来源：https://stackoverflow.com/questions/11015922/indexing-k-d-tree