Re: pg_amcheck option to install extension

On Tue, Apr 20, 2021 at 2:47 PM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Mon, Apr 19, 2021 at 2:55 PM Andrew Dunstan <andrew@dunslane.net> wrote:
> > There are at least two other client side programs in contrib. So this
> > argument doesn't quite hold water from a consistency POV.
>
> I thought that at first, too. But then I realized that those programs
> are oid2name and vacuumlo. And oid2name, at least, seems like
> something we ought to just consider removing. It's unclear why this is
> something that really deserves a command-line utility rather than just
> some additional psql options or something. Does anyone really use it?

Yeah, this seems like it could relatively simply just be a SQL query in psql.

> vacuumlo isn't that impressive either, since it makes the very tenuous
> assumption that an oid column is intended to reference a large object,
> and the documentation doesn't even acknowledge what a shaky idea that
> actually is. But I suspect it has much better chances of being useful
> in practice than oid2name. In fact, I've heard of people using it and,
> I think, finding it useful, so we probably don't want to just nuke it.

Yes, I've definitely run into using vacuumlo many times.


> But the point is, as things stand today, almost everything in contrib
> is an extension, not a binary. And we might want to view the
> exceptions as loose ends to be cleaned up, rather than a pattern to
> emulate.

I could certainly sign up for moving vacuumlo to bin/ and replacing
oid2name with something in psql for example.

(But yes, I realize this rapidly turns into another instance of the
bikeshedding about the future of contrib..)

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