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Re: Zip Code Proximity search
Posted by: Morgan Tocker
Date: October 09, 2007 09:36AM

Not sure where I found this one, but try:

CREATE FUNCTION `distance`(p1 point, p2 point) RETURNS int(11)
RETURN (GLength(LineStringFromWKB(LineString(AsBinary(p1), AsBinary(p2))))) * 69;

(a function should be easier to work with than a procedure)

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