| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Gilles Darold <gilles(dot)darold(at)dalibo(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: [patch] Add schema total size to psql \dn+ |
| Date: | 2019-02-22 18:21:50 |
| Message-ID: | 18445.1550859710@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Wed, Feb 20, 2019 at 5:26 PM Gilles Darold <gilles(dot)darold(at)dalibo(dot)com> wrote:
>> The attached simple patch adds this feature. Is there any cons adding
>> this information?
> Well, it'll take time to compute, maybe a lot of time if the database
> is big and the server is busy. Not sure how serious that problem can
> get.
Is there any permissions issue involved here? I'd be a bit worried
about whether \dn+ could fail, or deliver misleading answers, when
run by a user without permissions on (some) tables. Also, even if
we allow people to get size info on tables they can't read today,
having this feature would be a roadblock to tightening that in
the future.
regards, tom lane
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