On Wed, Apr 16, 2008 at 08:21:15PM +0100, Sam Mason wrote: > Hum, what's an "EMR"? Sorry, Electronic Medical Record. > Why not do: > > CREATE TYPE tstz AS ( ts TIMESTAMP WITH TIME ZONE, tz TEXT ); > > And use this instead? That should work. At the time (a couple of years ago) I wasn't aware of all the implications. Indexability, operator availability, computability ... I'm still not sure I'd know all the pitfalls. > What sort of machines do this? With computers I've used, if its time > zone is set to the local time of some specific location then yes it > will. If you set it to some specific offset then no it won't. These > are independant cases, and not the one I was drawing your attention to > above. These cases are also independant of the original problem as > well. All true. I misunderstood what you said. > > Basically, akin to "there's no such thing as plain text" > > there should be "there's no such thing as a timezone-less > > timestamp". > Or maybe, a programming language should allow you to define your own > abstractions if the defaults don't fit. Surely so and both Python and PostgreSQL have both been very helpful in this regard. Karsten -- GPG key ID E4071346 @ wwwkeys.pgp.net E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346
