On Fri, Feb 24, 2012 at 10:09 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Naoko Reeves <naokoreeves@gmail.com> writes:
>> [ inconsistent behavior with a corrupted table ]
>
> I think most likely some of these queries are using a corrupted index
> and some are not --- have you looked at the EXPLAIN for each one?
> It might be a good idea to turn off enable_indexscan and
> enable_bitmapscan while poking at the table.
Could it also be a corrupted toast table?