Re: BUG #1956: Plpgsql top-level DECLARE does not share
От | Karl O. Pinc |
---|---|
Тема | Re: BUG #1956: Plpgsql top-level DECLARE does not share |
Дата | |
Msg-id | 1129253651l.5855l.2l@mofo обсуждение исходный текст |
Ответ на | Re: BUG #1956: Plpgsql top-level DECLARE does not share scope (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-bugs |
On 10/13/2005 03:24:23 PM, Tom Lane wrote: > "Jim C. Nasby" <jnasby@pervasive.com> writes: > > On Thu, Oct 13, 2005 at 01:30:56PM -0400, Tom Lane wrote: > >> Basically, DECLARE introduces a new name scope that wouldn't be > there > >> if you didn't say DECLARE. Without some bizarre reinterpretation > of the > >> meaning of a DECLARE at the start of a function, variables > automatically > >> created by plpgsql are going to be in an outer scope surrounding > that of > >> the first DECLARE. > > BTW, another issue here is that if we did merge the first DECLARE with > the scope of auto-declared variables, it would be a non backwards > compatible change. How about merging only the auto-declared function arguments into the first DECLARE? Down side would be that I can see that causing an actual error instead of a warning if somebody wants to shadow one of the function arguments with their own declaration. Karl <kop@meme.com> Free Software: "You don't pay back, you pay forward." -- Robert A. Heinlein P.S. Seems that as of today I can no longer write Bruce Momjian <pgman@candle.pha.pa.us>. :-( This showed up in a bounce: --------<snip>--------- Hi. This is the qmail-send program at mail27.sea5.speakeasy.net. <snip> <pgman@candle.pha.pa.us>: 64.139.89.126 does not like recipient. Remote host said: 550 5.0.0 <pgman@candle.pha.pa.us>... Delivery blocked --- Previous SPAM received from your mail server Giving up on 64.139.89.126.
В списке pgsql-bugs по дате отправления: