Re: Last Id?

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От Michael Glaesemann
Тема Re: Last Id?
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Msg-id 86274769-A6A6-4D98-A304-2C1F967A9E6A@myrealbox.com
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Ответ на Last Id?  (Jan Danielsson <jan.danielsson@gmail.com>)
Список pgsql-novice
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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