Not sure, I don’t remember participating in that topic.
But yeah, I think we should make upsert block works in ludicrous mode. But we should have a ticket about it. Cuz we have to remove the transaction code in that mutation procedure.
I have noticed that there is some confusion about Upserts.
This link is about the old Upsert. Which is different from Upsert Block
And this one is about Upsert Block.
I think these names confuses users. We should think about renaming it for real.
And we need to check if the old Upsert Procedure works in ludicrous mode too.