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Additionally once you are on PostGIS 3.1+, you should never have to do symlink or copy hacks to upgrade say PostGIS 3.1 to PostGIS 3.4.

Going from PostGIS 2+ to PostGIS 3+ can still be done without installing the old PostGIS 2+ in your new cluster. This is a revisit of that article, but with considerations for upgrading from a 2 series to a 3 series.įear not. In a previous article Using pg upgrade to upgrade PostGIS without installing older version I demonstrated a trick for upgrading to a newer PostgreSQL instance from PostGIS 2.2 - 2.whatever without having to install the older version of PostGIS in your new PostgreSQL service. To celebrate the arrival of PostgreSQL 15, I will revisit the number one problem people have with PostGIS, how to upgrade your PostGIS enabled cluster, without installing an old PostGIS version.