| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Zoltan Boszormenyi <zb(at)cybertec(dot)at> |
| Cc: | PG Hackers <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, "Florian G(dot) Pflug" <fgp(at)phlo(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us> |
| Subject: | Re: parser dilemma |
| Date: | 2007-04-19 21:04:49 |
| Message-ID: | 20070419210449.GA31116@svana.org |
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| Lists: | pgsql-hackers pgsql-patches |
On Thu, Apr 19, 2007 at 11:19:40AM +0200, Zoltan Boszormenyi wrote:
> >The problem comes from cases like
> >
> > colname coltype DEFAULT 5! GENERATED ...
> >
> >Since b_expr allows postfix operators, it takes one more token of
> >lookahead than we have to tell if the default expression is "5!"
> >or "5!GENERATED ...".
ISTM that as long as:
colname coltype DEFAULT (5!) GENERATED ...
works I don't see why it would be a problem to require the parentheses
in this case. Postfis operators are not going to be that common here I
think.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
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