| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Julian Markwort <julian(dot)markwort(at)uni-muenster(dot)de>, legrand legrand <legrand_legrand(at)hotmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Arthur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, David Steele <david(at)pgmasters(dot)net>, marius(dot)timmer(at)uni-muenster(dot)de, arne(dot)scheffer(at)uni-muenster(dot)de |
| Subject: | Re: [FEATURE PATCH] pg_stat_statements with plans (v02) |
| Date: | 2018-08-20 09:26:14 |
| Message-ID: | 20180820092614.lbax54ejljxtaxga@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2018-08-20 15:21:07 +1200, Thomas Munro wrote:
> On Mon, Aug 20, 2018 at 2:55 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> writes:
> > ... but I'm less excited about this one. Seems like a great opportunity
> > for unexpected stack overflows, and thence at least the chance for
> > DOS-causing security attacks. Can we prevent that from being allowed,
> > if we start using -std=c99?
>
> -Werror=vla in GCC, apparently.
How about detecting support for that in our configure script and
automatically using it? If we're uncomfortable with raising an error,
let's at least raise a warning?
- Andres
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