Re: erroneous restore into pg_catalog schema

Robert Haas escribió:
> On Tue, Jan 15, 2013 at 3:22 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> > Robert Haas <robertmhaas@gmail.com> writes:
> >> Or perhaps there is some other way to make sure that the user "really
> >> meant it", like refusing to create in pg_catalog unless the schema
> >> name is given explicitly.  I kind of like that idea, actually.
> >
> > That does seem attractive at first glance.  Did you have an
> > implementation in mind?  The idea that comes to mind for me is to hack
> > namespace.c, either to prevent activeCreationNamespace from getting set
> > to "pg_catalog" in the first place, or to throw error in
> > LookupCreationNamespace and friends.  I am not sure though if
> > LookupCreationNamespace et al ever get called in contexts where no
> > immediate object creation is intended (and thus maybe an error wouldn't
> > be appropriate).
> 
> As far as I can see, the principle place we'd want to hack would be
> recomputeNamespacePath(), so that activeCreationNamespace never ends
> up pointing to pg_catalog even if that's explicitly listed in
> search_path.  The places where we actually work out what schema to use
> are RangeVarGetCreationNamespace() and
> QualifiedNameGetCreationNamespace(), but those don't seem like they'd
> need any adjustment, unless perhaps we wish to whack around the "no
> schema has been selected to create in" error message in some way.

Robert, are you working on this?

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Álvaro Herrera                http://www.2ndQuadrant.com/
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