Re: Predefined role pg_maintenance for VACUUM, ANALYZE, CHECKPOINT.

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: "Bossart, Nathan" <bossartn(at)amazon(dot)com>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
Subject: Re: Predefined role pg_maintenance for VACUUM, ANALYZE, CHECKPOINT.
Date: 2021-11-03 18:46:07
Message-ID: 20211103184607.GE20998@tamriel.snowman.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Greetings,

* Bossart, Nathan (bossartn(at)amazon(dot)com) wrote:
> On 11/2/21, 11:27 AM, "Stephen Frost" <sfrost(at)snowman(dot)net> wrote:
> > * Bossart, Nathan (bossartn(at)amazon(dot)com) wrote:
> >> The approach in the patch looks alright to me, but another one could
> >> be to build a SelectStmt when parsing CHECKPOINT. I think that'd
> >> simplify the standard_ProcessUtility() changes.
> >
> > For my 2c, at least, I'm not really partial to either approach, though
> > I'd want to see what error messages end up looking like. Seems like we
> > might want to exercise a bit more control than we'd be able to if we
> > transformed it directly into a SelectStmt (that is, we might add a HINT:
> > roles with execute rights on pg_checkpoint() can run this command, or
> > something; maybe not too tho).
>
> I don't feel strongly one way or the other as well, but you have a
> good point about extra control over the error messages. The latest
> patch just does a standard aclcheck_error(), so you'd probably see
> "permission denied for function" if you didn't have privileges for
> CHECKPOINT. That could be confusing.

Yeah, that's exactly the thing I was thinking about that might seem odd.
I don't think it's a huge deal but I do think it'd be good for us to at
least think about if we're ok with that or if we want to try and do
something a bit better.

Thanks,

Stephen

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2021-11-03 19:03:55 Re: Add option --drop-cascade for pg_dump/restore
Previous Message Stephen Frost 2021-11-03 18:45:22 Re: XTS cipher mode for cluster file encryption