On Sun, Feb 19, 2012 at 8:20 PM, Don Baccus <dhogaza@pacifier.com> wrote:
>
> On Feb 19, 2012, at 5:42 PM, Tom Lane wrote:
>
>> Robert Haas <robertmhaas@gmail.com> writes:
>>> Having now spent far too much time in bed with that patch, I'm feeling
>>> like the concept that we are really looking for there is what some
>>> languages call "pure" - that is, there must be no side effects,
>>> whether by throwing exceptions or otherwise.
>>
>> Hmm, "pure" doesn't sound bad to me. Nice and short.
>>
>
> Technically, "pure" is stronger than "has no side effects":
+1 pure.
merlin