| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Carlos Mennens <carlos(dot)mennens(at)gmail(dot)com> |
| Cc: | PostgreSQL <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Confused About pg_* Tables |
| Date: | 2011-10-14 20:36:17 |
| Message-ID: | 20772.1318624577@sss.pgh.pa.us |
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| Lists: | pgsql-general |
Carlos Mennens <carlos(dot)mennens(at)gmail(dot)com> writes:
> I'm confused about how I'm able to access the following pg_* tables
> regardless of connected database. I thought these tables were hidden
> or stored in the 'postgres' database but I'm still able to access this
> data regardless of which database I'm connected to:
The underlying "pg_authid" catalog is a shared catalog that can be seen
from any database in the installation, just like pg_database. pg_user
is a view on this catalog, and so not shared in itself, but nonetheless
you'll see the same contents from every database.
regards, tom lane
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