On Jul 23, 2012, at 5:26 PM, "Bob Pawley" <rjpaw...@shaw.ca> wrote:
> Hi
>
> I an collecting geometries as in this expression.
>
> update num_search
> set the_geom4 =
> (select st_union(st_union(st_union(st_buffer(a.mbr, buff),
> st_buffer(b.mbr, buff)),
> st_buffer(bob.face.mbr, buff)))
> from bob.face a, bob.face b, num_search, bob.face
> where (st_touches(a.mbr, b.mbr)
> and st_intersects(a.mbr, num_search.the_geom2))
> and st_intersects(bob.face.mbr, num_search.the_geom2));
>
> When I reference the_geom4 with a geometry number st_geometryn, the numbers
> are in a random order. (example1,3,2,5,4,6)
>
> Is there a method that can be used to sort them in either ascending or
> descending order??
>
>
Order in SQL query result is never guaranteed unless you use ORDER BY.
--
Puneet Kishor
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