so many solutions, so little time! I like how you're limiting by latitude only and using the radius as well.
Doing that actually lowered my execution time to 94ms ... =) On 2/6/07, Jim Wright <[EMAIL PROTECTED]> wrote: > > Russ wrote: > > No, I'm referring to: > > > > > http://www.houseoffusion.com/groups/CF-Talk/thread.cfm/threadid:50203#268818 > > > > That one is pretty quick here... > SELECT b.* FROM tblzipcodes a CROSS JOIN tmpzipcodes b > WHERE dbo.getDistance(a.latitude,a.longitude,b.latitude,b.longitude) < > 10 AND a.zip = '27614' > > Took 1412 ms. > > I limited the latitude side of things with... > > SELECT b.* FROM tmpzipcodes a CROSS JOIN tmpzipcodes b > WHERE a.zip = '27614' > AND b.latitude < a.latitude + (10*.014457) > AND b.latitude > a.latitude - (10*.014457) > AND dbo.getDistance(a.latitude,a.longitude,b.latitude,b.longitude) < 10 > > which only took 170ms > > I think that .014457 is right...basically 1 degree/69.172 miles. > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Upgrade to Adobe ColdFusion MX7 Experience Flex 2 & MX7 integration & create powerful cross-platform RIAs http:http://ad.doubleclick.net/clk;56760587;14748456;a?http://www.adobe.com/products/coldfusion/flex2/?sdid=LVNU Archive: http://www.houseoffusion.com/groups/CF-Talk/message.cfm/messageid:268871 Subscription: http://www.houseoffusion.com/groups/CF-Talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
