From: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
---|---|
To: | Markus Wagner <wagner(at)imsd(dot)uni-mainz(dot)de> |
Cc: | pgsql-interfaces <pgsql-interfaces(at)postgresql(dot)org>, "pgsql-sql(at)postgresql(dot)org" <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: [SQL] distinguishing different database connections |
Date: | 2001-06-22 18:40:16 |
Message-ID: | Pine.BSF.4.21.0106221138530.9504-100000@megazone23.bigpanda.com |
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Thread: | |
Lists: | pgsql-interfaces pgsql-sql |
How about creating a temporary table with the data? That'll be persistant
for the session.
On Fri, 22 Jun 2001, Markus Wagner wrote:
> Hi,
>
> can I access information on the current connection from within a trigger
> function?
> I need to identify different server connections somehow. Something like
> a "connection id" would be enough.
>
> The background:
>
> When a user starts a frontend application (NT, Access) he starts a new
> connection to our Linux database server. But for all users the "postgres
> user" is the same, since the ODBC connection is hard linked into the
> application. The problem is that we need the NT user name within our
> trigger (C) functions.
>
> The idea:
> Let's execute a function "logon" whenever an instance of the application
> is started. This function will get the NT user name as a parameter. It
> will recognize the current connection id and it would store the pair
> (connection id, NT user name) in a table. Then, whenever some trigger
> needs to know the user name (for logging actions), it could lookup the
> user name with the current connection id.
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