Re: DropRelFileNodeBuffers API change (was Re: [BUGS] BUG #5599: Vacuum fails due to index corruption issues)

Greg Stark <gsstark@mit.edu> writes:
> On Sun, Aug 15, 2010 at 9:48 PM, Heikki Linnakangas
> <heikki.linnakangas@enterprisedb.com> wrote:
>> On 15/08/10 21:58, Tom Lane wrote:
>>> Does anyone have an opinion whether it's likely that any third-party
>>> code is calling DropRelFileNodeBuffers directly?
>> 
>> I doubt it. External modules shouldn't be modifying relations at such a low
>> level.

> Really? What about an index access method?

An index AM might have a reason to call smgrtruncate, but I can't see an
argument why it should need to call DropRelFileNodeBuffers directly.
The built-in AMs certainly never did.
        regards, tom lane