Greg Stark <gsstark@mit.edu> writes:
> On Mon, Feb 1, 2010 at 8:54 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>>> Disallow catalog relocation inside subtransactions, to avoid having
>>> to handle subxact abort effects on the local-map-changes state.
>>> This could be implemented if desired, but doesn't seem worth it
>>> at least in first pass.
>>
>> Agreed, not needed for emergency maintenance actions like this.
> Note that this would mean it will never work if you have psql's
> ROLLBACK_ON_ERROR set.
VACUUM has always failed in such a case, so I don't see this as a
showstopper.
regards, tom lane