| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
| Cc: | Pedro Gimeno <pgsql-004(at)personal(dot)formauri(dot)es>, rschaaf(at)commoninf(dot)com, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: Re: BUG #12885: The result of casting a double to an integer depends on the database version |
| Date: | 2015-03-25 14:37:38 |
| Message-ID: | 3736.1427294258@sss.pgh.pa.us |
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| Lists: | pgsql-bugs |
Michael Paquier <michael(dot)paquier(at)gmail(dot)com> writes:
> On Wed, Mar 25, 2015 at 8:18 PM, Pedro Gimeno
> <pgsql-004(at)personal(dot)formauri(dot)es> wrote:
>> The only point of using copysign there was to deal with a negative zero
>> corner case. The attached removes copysign from the test program too,
>> relying instead on sprintf outputting the sign of minus zero when available.
> Cool, thanks. Applied to the code tree of Postgres, it gives the patch attached.
This is pretty desperately in need of some comments, but I'll see what
I can do with it.
I assume the consensus is that we should not back-patch this? It seems
like the kind of behavioral change that people might get annoyed about.
regards, tom lane
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