[postgis-users] soft upgrade 2.0.3 > 2.1.1

Jason Mathis jmathis at redzonesoftware.com
Tue Mar 18 14:32:26 PDT 2014

Hi All,

OS: centos 6.5
Postgres: 9.2.7
PostGIS: 2.0.3

We have recently finished cleaning up and consolidating apps/servers and upgraded to postgres 9.2.7. Now that postgres is upgraded we decided to get postgis upgraded as well; currently we are at 2.0.3. According to postgis docs we can do the "soft upgrade" path, which sounds wonderful. We used "create extension" for all our 2.0.3 databases.We are on centos 6.5 and I am using yum to update the postgis packages. I did a quick test on a vm that had a empty database and the postgis update went fine. After a little research I figured it was time to run the process on our dev node. The steps are:

yum install postgis2_92 #2.1.1
psql -c "ALTER EXTENSION postgis UPDATE TO '2.1.1';"

The yum installed went fine but the "alter extension" failed with: 
ERROR:  cannot drop function st_union(geometry) because other objects depend on it

It went on to list a few views that used that function. I tried dropping those views but it just moved on to other views that had postgis functions in them. Dropping all views is not worth it:) 

Does anyone know if soft upgrading from 2.0.3 > 2.1.1 is possible? Could it be something in our setup that is stopping us from upgrading. Otherwise it looks like a hard upgrade is in our future, and its hard to get excited about that. 


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