> but I would expect drop concurrently to resolve your issue with the two 
> processes conflicting

I guess you mean ALTER TABLE DETACH PARTITION ... CONCURRENTLY?
DROP TABLE does not seem to have a concurrent option.
Still that does seem like a good option to try, thanks for drawing it
to my attention.

Cheers
Mike

On Thu, 27 Jan 2022 at 14:20, Michael Lewis <mle...@entrata.com> wrote:
>
> There may be a bug so perhaps still pursue reproducing the issue, but I would 
> expect drop concurrently to resolve your issue with the two processes 
> conflicting. Also, perhaps trying"insert, on conflict do update" could be 
> more efficient than the copy but obviously there are too many unknowns and 
> variables for either to be a definite winner.


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