From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
---|---|
To: | Bruce Momjian <momjian(at)svr1(dot)postgresql(dot)org> |
Cc: | pgsql-committers(at)postgresql(dot)org |
Subject: | Re: pgsql: Fix NUMERIC modulus to properly truncate |
Date: | 2005-06-04 15:41:18 |
Message-ID: | 42A1CB9E.7090400@familyhealth.com.au |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-committers pgsql-hackers |
Is this a backport?
Bruce Momjian wrote:
> Log Message:
> -----------
> Fix NUMERIC modulus to properly truncate division in computation.
> Division rounding was causing incorrect results. Test case:
>
> test=> SELECT 12345678901234567890 % 123;
> ?column?
> ----------
> 78
> (1 row)
>
> Was returning -45.
>
> Modified Files:
> --------------
> pgsql/src/backend/utils/adt:
> numeric.c (r1.83 -> r1.84)
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/numeric.c.diff?r1=1.83&r2=1.84)
>
> ---------------------------(end of broadcast)---------------------------
> TIP 3: if posting/reading through Usenet, please send an appropriate
> subscribe-nomail command to majordomo(at)postgresql(dot)org so that your
> message can get through to the mailing list cleanly
From | Date | Subject | |
---|---|---|---|
Next Message | Bruce Momjian | 2005-06-04 15:45:46 | Re: pgsql: Fix NUMERIC modulus to properly truncate |
Previous Message | Bruce Momjian | 2005-06-04 14:12:50 | pgsql: Fix NUMERIC modulus to properly truncate division in computation. |
From | Date | Subject | |
---|---|---|---|
Next Message | Christopher Kings-Lynne | 2005-06-04 15:43:14 | Re: Precedence of % |
Previous Message | Bruce Momjian | 2005-06-04 15:38:05 | Re: Precedence of % |