On Monday, July 5, 2021, abbas alizadeh <ramkly(at)yahoo(dot)com> wrote:
> Hi guys
> Do we have any chance to upgrade postgresql v9.2 with postgis 2.0 to
> postgresql v13.3 with postgis 3.0 using pg_upgrade?
>
I’m gonna say probably not, but you can do your own research if you want to
figure whether you might be able to get away with it.
https://trac.osgeo.org/postgis/wiki/UsersWikiPostgreSQLPostGIS
My assumption is that you need to upgrade PostGIS independently from
upgrading PostgreSQL - i.e., the PostGIS version should not change during
the upgrade.
David J.