| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: WIP: Faster Expression Processing v4 |
| Date: | 2017-03-15 03:20:57 |
| Message-ID: | 20170315032057.wtwsqblmxmlsvvj6@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2017-03-14 23:10:25 -0400, Peter Eisentraut wrote:
> On 3/14/17 19:40, Andres Freund wrote:
> > Any idea why we introduce __ stuff?
>
> Because the symbols start with an underscore:
>
> /* Define to 1 if your compiler understands _Static_assert. */
> #undef HAVE__STATIC_ASSERT
Oh, I guess that makes some sense. But we do so very inconsistently,
given we only keep the leading underscores not the trailing ones (see
HAVE__VA_ARGS, HAVE_FUNCNAME__FUNC).
> But we don't need to introduce underscores that are not there.
Indeed. Don't want to repost for just this, but consider it adapted
(and moved as requested by Tom).
- Andres
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