Re: BUG #13805: plpgsql execute using expression evaluate wrong

On Tue, 08 Dec 2015 01:36:39 -0500
Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> The datetime input parser tends to consider most non-alphanumeric
> characters as being insignificant except as field separators. We could
> tighten that up, but I think we should tread pretty carefully for fear of
> breaking cases that used to work. A trivial example:
...
> regression=# select '1 mon$ 1 day'::interval;
> interval
> -------------
> 1 mon 1 day
> (1 row)
>
> Trying to decide which characters are legitimate noise and which
> aren't seems like a tarbaby best not to get stuck to :-(

# select '#!1!#month,?=~&(12$[day*() '::interval;
interval
---------------
1 mon 12 days
(1 row)

I feel so ... dirty....

-dg

--
David Gould 510 282 0869 daveg(at)sonic(dot)net
If simplicity worked, the world would be overrun with insects.