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Message-ID: <45053C4B.5010208@logix-tt.com>
Date: Mon, 11 Sep 2006 12:36:59 +0200
From: Markus Schaber <schabi@logix-tt.com>
Organization: Logical Tracking and Tracing International AG, Switzerland
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To: pgsql-sql@postgresql.org
Subject: Re: on connect/on disconnect
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Hi, Robert,

Robert Edwards wrote:

> Or is it possible, over the same connection, to change the database
> user? My understanding of the frontend/backend protocol is that this
> is not allowed.

Not on protocol level, but one level higher.

  SET SESSION AUTHORIZATION <user>;

pg_dump uses this frequently. See the docs for more details.
http://www.postgresql.org/docs/8.1/interactive/sql-set-session-authorization.html

HTH,
Markus
-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org