| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Oleg Mamontov <oleg(at)mamontov(dot)net>, pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #2290: Incorrect sequence increment after backup/restore |
| Date: | 2006-03-06 05:16:37 |
| Message-ID: | 200603060516.k265GcH16054@candle.pha.pa.us |
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| Lists: | pgsql-bugs |
Tom Lane wrote:
> "Oleg Mamontov" <oleg(at)mamontov(dot)net> writes:
> > If after CREATE TABLE with SERIAL column i'll change sequence increment to 2
> > or some other value (with ALTER SEQUENCE) then always work correctly (all
> > inserted rows will have values incremented by 2).
>
> We currently consider that a serial column is a "black box" and you
> should not mess with its underlying sequence directly. If you want
> nondefault properties for the sequence, create it as an independent
> sequence object and then just declare the column as "integer
> default nextval('seq')".
Added to TODO:
* %Disallow changing sequence characteristics like INCREMENT for
SERIAL columns
--
Bruce Momjian http://candle.pha.pa.us
SRA OSS, Inc. http://www.sraoss.com
+ If your life is a hard drive, Christ can be your backup. +
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