| From: | Alban Hertroys <alban(at)magproductions(dot)nl> |
|---|---|
| To: | Matthew Peter <survivedsushi(at)yahoo(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: sequence help |
| Date: | 2006-11-28 10:01:22 |
| Message-ID: | 456C08F2.6080706@magproductions.nl |
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| Lists: | pgsql-general |
Matthew Peter wrote:
> I'll jump right in with an example
>
> create sequence foo start with 1;
>
> create view foobar as select *, nextval('foo') from bar;
>
> The problem is I need a nextval()-like method that returns the iterations without
> updating the foo sequence. Therefore, maintaining the sequences original value by
> starting at 1 each time the foobar VIEW is invoked.
And what would you expect to see if more than one person simultaneously
queries foobar? A sequence would increment for each session querying it.
I think you want numbers to increase per session, in which case you
could probably use generate_series().
Regards,
--
Alban Hertroys
alban(at)magproductions(dot)nl
magproductions b.v.
T: ++31(0)534346874
F: ++31(0)534346876
M:
I: www.magproductions.nl
A: Postbus 416
7500 AK Enschede
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