On 2020-Nov-13, Justin Pryzby wrote:
> I saw a bunch of these in my logs:
>
> log_time | 2020-10-25 22:59:45.619-07
> database |
> left | could not open relation with OID 292103095
> left | processing work entry for relation "ts.child.alarms_202010_alarm_clear_time_idx"
>
> Those happen following a REINDEX job on that index.
>
> I think that should be more like an INFO message, since that's what vacuum does
> (vacuum_open_relation), and a queued work item is even more likely to hit a
> dropped relation.
Ah, interesting. Yeah, I agree this is a bug. I think it can be fixed
by using try_relation_open() on the index; if that returns NULL, discard
the work item.
Does this patch solve the problem?