On 9 February 2016 at 19:47, Robert Haas <robertmh...@gmail.com> wrote:
> I think you're dismissing Tom's concerns far too lightly. The
> row_security=off mode, which is the default, becomes unusable for
> non-superusers under this proposal. That's bad. And if you switch to
> the other mode, then you might accidentally fail to get all of the
> data in some table you're trying to back up. That's bad too: that's
> why it isn't the default. There's a big difference between saying
> "I'm OK with not dumping the tables I can't see" and "I'm OK with not
> dumping all of the data in some table I *can* see".
> It seems to me that there's a big difference between policies we ship
> out of the box and policies that are created be users: specifically,
> the former can be assumed benign, while the latter can't. I think
> that difference matters here, although I'm not sure exactly where to
> go with it.
It sounds like there needs to be a separate system_row_security
setting that controls RLS on the system catalogs, and that it should
be on by default in pg_dump.
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