Chris <ctlajoie(at)gmail(dot)com> writes:
> I have been unable to find where it is mentioned that timestamptz can be
> used as shorthand for 'timestamp with time zone'.
See table 8-1 here:
http://www.postgresql.org/docs/9.0/static/datatype.html
We don't emphasize it, since it's a nonstandard Postgres-ism.
> Is this a new alias, or
> has it been around for some time?
It's been around since the '90s I'm sure, maybe even back to Berkeley days.
regards, tom lane