| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Philip Warner <pjw(at)rhyme(dot)com(dot)au> |
| Cc: | pgsql-bugs(at)postgresql(dot)org |
| Subject: | Re: BUG #2379: Duplicate pkeys in table |
| Date: | 2006-04-06 12:12:31 |
| Message-ID: | 20060406121231.GA6814@surnet.cl |
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| Thread: | |
| Lists: | pgsql-bugs |
Philip Warner wrote:
> We have an intermittent bug that occurs on a table which is updated several
> times per second. The bug occurs every few days/weeks. It is usually
> preceeded by a "tuple concurrently updated" messages, but I could not swear
> it is always preceeded by it.
>
> The result of the bug is demonstrated by:
>
> select id,count(*) from xxx group by id having count(*)>1;
> id | count
> -------+-------
> 24613 | 6
> (1 row)
Please do a
SELECT xmin, xmax, cmin, cmax FROM xxx where id = 24613;
if you still have that particular manifestation.
--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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