"Florian G. Pflug" <fgp@xxxxxxxx> writes:
> The per-session variable "role" is not shown when
> doing "select pg_settings". It is, however, possible
> to set it using "set role ...", and to query it using
> "show role". Is this per design, or is this a bug.
It's marked NO_SHOW_ALL in guc.c. I'm not sure about the reasoning
for this --- session_authorization is the same way, and we probably
just copied that when we made the role variable; but I've forgotten
what the rationale for marking session_authorization as NO_SHOW_ALL
was.
> In case omiting role from pg_settings is per design,
> how could pgadmin find _all_ variables that can be set per user?
If this is an argument for not having *any* NO_SHOW_ALL variables,
I think the answer will be "no".
regards, tom lane
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