On Tuesday, November 19, 2024, Bing Xu <bing(dot)xu(dot)uh(at)fujifilm(dot)com> wrote:
> Thank you for your response.
>
> >https://www.postgresql.org/docs/current/release-17.html#
> RELEASE-17-MIGRATION
>
> Is it the following passage?
>
>
Yes
> Instead of letting pg_upgrade.exe automatically uninstall adminpack.
>
> Is my understanding correct?
>
>
pg_upgrade will never uninstall anything. It installs whatever is in the
source cluster unconditionally. Except catalogs, which are instead built in
the new cluster during initdb.
David J.