Re: A modest proposal: get rid of GUC's USERLIMIT variable

Greg Stark wrote:
> 
> Tom Lane <tgl@sss.pgh.pa.us> writes:
> 
> > I'd like to propose that we get rid of GUC's USERLIMIT category and
> > convert all the variables in it to plain SUSET.  In my mind, USERLIMIT
> > is a failed experiment: it's way too complicated, and it still doesn't
> > do quite what it was intended to do, because there are times when it
> > can't check whether you're a superuser.
> > 
> > The only variables that are in the category are log-verbosity-related:
> 
> Would that mean I wouldn't be able to change the logging level on the fly at
> all?
> 
> That would disappoint at least one user, myself. I've found the best debugging
> compromise is to leave log_statement off in general but have a magic parameter
> I can pass to the application that will set log_statement = true for a single
> transaction.
> 
> That way I can look at what queries transpired in my session without having to
> dig through hundreds of other queries from other sessions. And have the
> complete logs for the session I'm debugging without the performance impact in
> the normal case.

Yes, this would not be possible for non-super users with the new
proposal.  You could set the setting for non-super users per-user but
not per-session.

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