| From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
|---|---|
| To: | Anoo Sivadasan Pillai <aspillai(at)in(dot)rm(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Change request ... |
| Date: | 2007-09-27 09:44:36 |
| Message-ID: | 20070927094436.GA13133@svana.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Sep 27, 2007 at 02:48:52PM +0530, Anoo Sivadasan Pillai wrote:
> Description : I have two tables with the same data , While I issue an
> update command to increment the value of a unique field by 1, the
> statement fails in one table and will succeed in the other table.
> Following is the script to reproduce the behaviour.
Correct. Unique constraints are not deferrable. I'm sure there are
people who would like it fixed, but there is currently not even a
proposal on how to do it. It's a hard problem, for which there are
well-known work-arounds. In practice this problem don't come up too
often.
It's been on the TODO list for at least 5 years...
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Lukas Kahwe Smith | 2007-09-27 10:15:24 | Re: Change request ... |
| Previous Message | Richard Huxton | 2007-09-27 09:42:13 | Re: Change request ... |