On Tue, Aug 10, 2004 at 08:54:45PM -0400, Robert Fitzpatrick wrote:
> I have varchar column with both numbers and letters, like 1 thru 10 and
> 5A thru 5G, they are unit numbers for apartments. If I have 1 thru 100,
> since it is a varchar field, it sorts like 1,10,11... instead of
> 1,2,3...
>
> Is there any way to handle this without having to make a sort order
> column?
Try something like this:
ORDER BY SUBSTRING(unitnum FROM '[0-9]+')::INTEGER, unitnum
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/