"Eric Mueller" <eric@themepark.com> writes:
> ... I'm baffled by
> what seems to be a lack of detailed documentation for something so
> fundamental as the built-in functions.
The docs we have can be found at
http://www.postgresql.org/devel-corner/docs/postgres/
While they're usable, I don't think there's anyone around here who
wouldn't agree that they could stand improvement. If you can read code
and write English, then Uncle Sam wants *YOU* to help improve the docs.
Feel free to step up to the plate and swing away ...
regards, tom lane