Re: proposal for PL packages for 8.3.

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От Pavel Stehule
Тема Re: proposal for PL packages for 8.3.
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Msg-id BAY20-F518F0F11F59F41F3D5C38F9550@phx.gbl
обсуждение исходный текст
Ответ на Re: proposal for PL packages for 8.3.  (Bruce Momjian <bruce@momjian.us>)
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>Martijn van Oosterhout wrote:
>-- Start of PGP signed section.
> > On Wed, Aug 09, 2006 at 08:38:22AM +0100, Richard Huxton wrote:
> > > There are three separate issues we seem to be talking about.
> > >
> > > 1. Namespaces - visibility or otherwise of objects
> > > 2. Procedural state - something that looks like a shared variable
> > > 3. Packaging - installation/dependency handling
> >
> > Well, it would be nice to have some clarification about the expected
> > scope and lifetimes of these variables. If two different sessions
> > change the values, what's supposed to happen?
>
>Right, I am confused whether these are session or schema-local
>variables.  What does Oracle support?  Looking at this:
>
>    http://thinkoracle.blogspot.com/2005/10/oracle-packages.html
>
>it seems varaiable are per-session.
>

Oracle use packages dbms_pipe and dbms_alert for interprocess communication, 
not shared variables. For both packages exists emulation in orafunc on 
pgfoundry.

regards
Pavel

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