Simon Willison’s Weblog


Spatial indexes

7th January 2003

Jeremy Zawodny demonstrates Spatial Indexes in MySQL 4.1. This clever new feature allows you to add data to a table in terms of geometric points, then run queries to find (for example) all points that occur inside a specified polygon. Weird and wonderful stuff.

This is Spatial indexes by Simon Willison, posted on 7th January 2003.

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