On 2019/05/22 15:47, David Rowley wrote:
> On Wed, 22 May 2019 at 15:39, Jonathan S. Katz <jkatz@postgresql.org> wrote:
>> PostgreSQL 12 also provides improvements to the performance of both
>> using `COPY` with a partitioned table as well as the `ATTACH PARTITION`
>> operation. Additionally, the ability to use foreign keys to reference
>> partitioned tables is now allowed in PostgreSQL 12.
>
> I'd say nothing has been done to improve the performance of ATTACH
> PARTITION. Robert did reduce the lock level required for that
> operation, but that should make it any faster.
Maybe you meant "..., but that shouldn't make it any faster."
Thanks,
Amit