On 25/09/17 16:45, Peter Eisentraut wrote:
> On 8/31/17 23:22, Michael Paquier wrote:
>>> One open question is how to treat a missing (empty) bgw_type. I
>>> currently fill in bgw_name as a fallback. We could also treat it as an
>>> error or a warning as a transition measure.
>>
>> Hm. Why not reporting an empty type string as NULL at SQL level and
>> just let it empty them? I tend to like more interfaces that report
>> exactly what is exactly registered at memory-level, because that's
>> easier to explain to users and in the documentation, as well as easier
>> to interpret and easier for module developers.
>
> But then background workers that are not updated for, say, PG11 will not
> show anything useful in pg_stat_activity. We should have some amount of
> backward compatibility here.
>
Maybe the empty bgw_type could mean just "bgworker"?
-- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training &
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