## Dominique Devienne (ddevie...@gmail.com):
> On the one hand, I want a INVOKER security function,
> to be able to capture the login and current ROLEs.
There's session_user ("the session user's name") which remains unchanged
on a SECURITY DEFINER function, and current_user ("the user name of the
current execution context") which changes according to the security
context set by SECURITY DEFINER/INVOKER.
-> https://www.postgresql.org/docs/current/functions-info.html
Regards,
Christoph
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