Re: BUG #15142: ERROR: MultiXactId nnnnn has not been created yet -- apparent wraparound in v9.5

The last query that working is - select * from TABLE_NAME limit 1 offset
160;

the next query

select * from TABLE_NAME limit 1 offset 162;

return - ERROR: MultiXactId 1048586 has not been created yet -- apparent
wraparound
SQL state: XX000

On 04/03/2018 04:23 PM, Alvaro Herrera wrote:
> molofeev wrote:
>> Thank you for reply.
>> Output of pg_controldata:
>>
>> Latest checkpoint's NextMultiXactId:  1
>> Latest checkpoint's NextMultiOffset:  0
> Uh, this says that this cluster has never used any multixacts.
>
>> Output of [select datminmxid from pg_database where datname =
>> current_database();]:
>>
>> datminmxid
>> ------------
>>           1
> ... and this confirms.
>
> I think the easiest way forward is to identify the problem page and see
> what's there. Please find what command was being run that caused the
> error, which might help narrow down which table it is; then scan the
> table to see on which page you can see the error.
>