Michael Guerin <guerin(at)rentec(dot)com> writes:
> Tom Lane wrote:
>> Is it always the same OID mentioned in the errors, or are they variable?
>>
> It was the same OID, until I restarted then it changed to a new OID.
Hmm, that sure sounds like a plan-caching problem. One thing you should
do is modify log_line_prefix so you can tell which process the error is
coming from ... then you'd have a better shot at telling what's causing
it.
regards, tom lane