>Whats KNN ?
http://wiki.postgresql.org/wiki/What's_new_in_PostgreSQL_9.1#K-Nearest-Neighbor_Indexing
At least this is my understanding of the question. I'm unable to check if it will work on an array (it should, as far as my understanding goes).
Bèrto
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If Pac-Man had affected us as kids, we'd all be running around in a darkened room munching pills and listening to repetitive music.
