On 1 July 2010 00:32, Ævar Arnfjörð Bjarmason <ava...@gmail.com> wrote: > On Wed, Jun 30, 2010 at 08:11, John Smith <deltafoxtrot...@gmail.com> wrote: >> On 30 June 2010 17:46, Andy Allan <gravityst...@gmail.com> wrote: >>> Postgres ignores them, IIRC, since it doesn't have such a concept. I'm >>> sure one day some numbers will get too big for mysql, but hey. >> >> Doesn't MySQL support BigInt (64bit) and UUID (128bit) numbers? > > Yes, but it generally handles larger types much worse than real > databases. E.g. you can't have an index for a TEXT, but you can index > VARCHAR(255) on InnoDB.
I thought we were only discussing numeric types, but I think you can index varchar regardless of the DB type, and you avoid TEXT fields like the plague since it will use the hdd to build the query... _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev
