Bruce Momjian <br...@momjian.us> writes:
> Well, 'now()' certainly _looks_ like a function call, though it isn't.
> The fact that 'now()'::timestamptz and 'now'::timestamptz generate
> volatile results via a function call was my point.
The only reason 'now()'::timestamptz works is that timestamptz_in
ignores irrelevant punctuation (or what it thinks is irrelevant,
anyway). I do not think we should include examples that look like
that, because it will further confuse readers who don't already
have a solid grasp of how this works.
regards, tom lane
