On Wed, Jun 15, 2016 at 10:03 AM, Masahiko Sawada <sawada.m...@gmail.com> wrote:
>> I'm not sure what to do about this: this part of the heap_update()
>> logic has been like this forever, and I assume that if it were easy to
>> refactor this away, somebody would have done it by now.
> How about changing collect_corrupt_items to acquire
> AccessExclusiveLock for safely checking?

Well, that would make it a lot less likely for
pg_check_{visible,frozen} to detect the bug in heap_update(), but it
wouldn't fix the bug in heap_update().

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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