Re: Last Id?

From: Michael Glaesemann <grzm(at)myrealbox(dot)com>
To: Jan Danielsson <jan(dot)danielsson(at)gmail(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Last Id?
Date: 2005-09-06 03:56:00
Message-ID: 86274769-A6A6-4D98-A304-2C1F967A9E6A@myrealbox.com
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On Sep 5, 2005, at 3:01 AM, Jan Danielsson wrote:

> I have seen a few "currval", "last_value", tricks and such, but
> they
> aren't good enough, AFAICT, since they only work when I can guarantee
> that no one else will insert a new record between the time that I
> insert
> one, and query for the last_value.

Welcome to PostgreSQL!

This is a very common misconception. Your fears are unfounded.
Read the FAQ or the documentation for details.

http://www.postgresql.org/docs/faqs.FAQ.html#4.11.1
http://www.postgresql.org/docs/8.0/interactive/functions-sequence.html

Hope this helps.

Michael Glaesemann
grzm myrealbox com

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  • Last Id? at 2005-09-04 18:01:47 from Jan Danielsson

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