Re: server variables ?

am  Thu, dem 12.04.2007, um  5:33:30 +0200 mailte Andreas folgendes:
> Hi,
>
> are there something like variables on the server-side that can be set by
> the client?
>
> e.g. I'd like to store the user-id who created or updated a record.
> I've allready got a trigger that sets a timestamp whenever a record is
> updated. It was cute if I could let this triggers store the user-id, too.

If you mean with user-id the name of the current user, just use
current_user.


>
> I'd like to open a connection when the client application starts.
> The client should set a variable  userid  within this connection and
> every trigger would know who uses this connection right now.
>
> BTW ... How would I use this variable as a DEFAULT value when it should
> be set just at the creation time of the record?
> something like a collumn:
> ...
> created_by_fk   integer   not null   default userid,
                  text                 default current_user



> ...
>
> How could I use such a variables value in views?

select ... from your_view where created_by_fk = current_user



Andreas
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Andreas Kretschmer
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