Mysql 4

I have a frustrating case here, a list of numbers, say, 0 through 30,000 or
so, however, there are gaps in the numbers, so not purely sequential.

I am faced with selecting one record from the dataset, that's simple,
however, before that select, I need to make sure the record is there, and if
it is not, find the one either just before it, or just after it.  Whichever
is closest.  If they are the same, lean on either one, I don't really care.

Any suggestion on this one would be appreciated, I can do this with 3
separate queries, but that is taking too long, since I have to do this with
two separate datasets and shove this all back out a browser to the user.

thanks
-- 
-------------------------------------------------------------
Scott Haneda                                Tel: 415.898.2602
<http://www.newgeo.com>                     Novato, CA U.S.A.



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