change current user in pl/pgsql function

From: Sergey Karin <sergey(dot)karin(at)gmail(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: change current user in pl/pgsql function
Date: 2006-02-06 12:43:30
Message-ID: b78883bf0602060443l270c795ep@mail.gmail.com
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Hi, List!

I use PG8.1

Are there any abilities to change current user during pl/pgsql function
execution?
I developed function that have 'security definer' option and created under
superuser. But for executing some command in the function I need to change
user to session_user and after execotion change user to superuser.

Sergey Karin

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