| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | pgsql-hackers(at)postgreSQL(dot)org |
| Cc: | sugita(at)sra(dot)co(dot)jp, pgsql-patches(at)postgreSQL(dot)org |
| Subject: | Re: Rejection of the smallest int8 |
| Date: | 2001-11-21 15:30:17 |
| Message-ID: | 13809.1006356617@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
I said:
>> Attached is a patch to accept the smallest value of int8.
> This has been proposed before. The problem with it is that it's
> not portable: the C standard does not specify the direction of rounding
> of integer division when the dividend is negative.
BTW, does anyone have a copy of the ANSI C standard to check this?
I have a draft of C99, which says that truncation is towards 0
regardless of the sign, but I think that this is something that was
tightened up in C99; we can't rely on older compilers to follow it.
regards, tom lane
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