Re: Shaky coding for vacuuming partitioned relations

On 9/25/17, 6:51 PM, "Michael Paquier" <michael.paquier@gmail.com> wrote:
>> +                * Take a lock here for the relation lookup. If ANALYZE or VACUUM spawn
>> +                * multiple transactions, the lock taken here will be gone once the
>> +                * current transaction running commits, which could cause the relation
>> +                * to be gone, or the RangeVar might not refer to the OID looked up here.
>>
>> I think this could be slightly misleading.  Perhaps it would be more
>> accurate to say that the lock will be gone any time vacuum() creates a new
>> transaction (either in vacuum_rel() or when use_own_xacts is true).
>
> The comment of the proposed patch matches as much as possible what is
> currently on HEAD, so I would still go with something close to that.

Sure.  This is just a minor point, and I could see the argument that your
phrasing is more concise, anyway.

Nathan