Tom Lane writes:
> > usetrace:
> Searching through the sources shows that this flag is not used anywhere.
> The catalogs.sgml doc file defines it as "can user set trace flags?"
> but whatever code it controlled must be long dead...
Remnants of a three-quarters baked pg_options implementation I suppose.
> > usecatupd:
> > Ability to change system tables?
> Since there's no really convenient interface for twiddling this flag,
> I doubt anyone actually bothers to change it. It starts out the same
> as one's usesuper flag, and probably stays that way...
Also note that once you unset this flag you can't set it again because you
no longer have write access to pg_shadow.
--
Peter Eisentraut Sernanders väg 10:115
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