Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Yes, that was the issue. We tell people pg_hba.conf only gets reloaded
> when they tell the postmaster to do it. We can't have it happening at
> random times, e.g. password change.
I agree on that: the signal should cause the postmaster to reload
pg_pwd/pg_group info *only*. So you cannot integrate the data from
these files into the same datastructure as you use for pg_hba.conf;
they have to be separate datastructures.
I think what you are really asking is whether to expand groups by
substitution of user names during read of the file, vs doing it
on-the-fly when accepting a connection. On that I agree with Ross:
better to move work out of the connection logic and into the file
reread logic as much as possible.
regards, tom lane
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