Re: Getting Primary Key Value After Insert

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От Martijn van Oosterhout
Тема Re: Getting Primary Key Value After Insert
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Msg-id 20060709124040.GB4954@svana.org
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Ответ на Re: Getting Primary Key Value After Insert  (Richard Broersma Jr <rabroersma@yahoo.com>)
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On Sat, Jul 08, 2006 at 11:02:26PM -0700, Richard Broersma Jr wrote:
> > > > 3.  If you call currval() will it return 20?  I would think it does.
> >
> > Yes it does.
> >
> > > My understanding is that it will provided your are within a transaction.
> >
> > As long as you're in the same session you're fine. You would have to go out of
> > your way to break it but if you're using some sort of connection pooling you
> > wouldn't want to pull a fresh connection from the pool, for example.
>
> Just to clarify,  currval() is isolated by the session on not necessarily by a transaction?

Yes, currval() returns the value given by the last nextval() on that
sequaence in the current session.

Have a nice day,
--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.

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