From: | Mike Palmiotto <mike(dot)palmiotto(at)crunchydata(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Joe Conway <mail(at)joeconway(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: partitioned tables and contrib/sepgsql |
Date: | 2017-04-05 17:22:22 |
Message-ID: | CAMN686FPot-J5Nf87biYewyuZ2ORmRp=mVHtfT5TVjBVAKBdaA@mail.gmail.com |
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Lists: | pgsql-hackers |
On Wed, Apr 5, 2017 at 1:19 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> writes:
>> On 4/5/17 12:04, Tom Lane wrote:
>>> Conclusion: Fedora's gcc is playing fast and loose somehow with the
>>> command "#include <stdbool.h>"; that does not include the file
>>> you'd think it does, it does something magic inside the compiler.
>>> The magic evidently includes not complaining about duplicate macro
>>> definitions for true and false.
>
>> Perhaps -Wsystem-headers would change the outcome in your case.
>
> Hah, you're right: with that,
>
> In file included from /usr/include/selinux/label.h:9:0,
> from label.c:40:
> /usr/lib/gcc/x86_64-redhat-linux/6.3.1/include/stdbool.h:34:0: warning: "true" redefined
> #define true 1
>
> In file included from ../../src/include/postgres.h:47:0,
> from label.c:11:
> ../../src/include/c.h:206:0: note: this is the location of the previous definition
> #define true ((bool) 1)
>
> and likewise for "false". So that mystery is explained.
>
> I stand by my previous patch suggestion, except that we can replace
> the parenthetical comment with something like "(We don't care if
> <stdbool.h> redefines "true"/"false"; those are close enough.)".
>
Sounds good. Updated patchset will include that verbiage, along with
some regression tests for partitioned tables.
Thanks,
--
Mike Palmiotto
Software Engineer
Crunchy Data Solutions
https://crunchydata.com
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