Dear Michael,
> Ah, good point for the slot drop. So 0ce5cf2ef24f is claiming that
> some of these manipulations are OK. I didn't suspect this one.
Yeah, I think so.
> Slot advancing is a very different beast, unfortunately, that may
> depend on many other subsystems. For example with logical slots we
> would finish by calling rm_decode, which could be outside of core.
> Justifying that this operation is supported in single-user mode is
> larger than what you are suggesting here..
OK. Actually, I do not have any use-cases in my mind. I played because
I found a special path for single user mode in ReplicationSlotAcquire()
so that I wanted to see the behavior.
Best regards,
Hayato Kuroda
FUJITSU LIMITED