[postgis-users] soft upgrade 2.0.3 > 2.1.1

[Jason]

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. 

Thanks! 


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