New port: postgis2 (PostGIS 2.0)
Hi everybody,
I’ve committed this morning in r92462 a new port corresponding to PostGIS v 2.0
and up.
This port is incompatible with postgis, that is to say PostGIS 1.x. Both
install the same files at the same place.
It is therefore *mandatory* before you upgrade to save your databases,
uninstall postgis 1.5 first by removing it from your PostGreSQL environment
(you should have a script uninstall_postgis in
${prefix}/share/postgresqlXX/contrib/postgis) and then by uninstalling the
port, compile the postgis2 port, and restore your databases using the provided
script. Further instructions on the PostGIS site http://postgis.refractions.net.
Be careful of some side effects: the_geom is now called geom, SRID is limited
to 999,999, etc.
PostGIS 2 requires Geos = 3.3.2 so you must upgrade this library too.
Please try and report any bug you may find.
Thanks,
Vincent
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Re: New port: postgis2 (PostGIS 2.0)
Hi Puneet,
I’ve committed this morning in r92462 a new port corresponding to PostGIS v
2.0 and up.
This port is incompatible with postgis, that is to say PostGIS 1.x. Both
install the same files at the same place.
Hmmm... That's a deal breaker for me. I don't have two machines to test it
out. Since the two different versions can haooily coexist, why not make it so
instead of requiring uninstalling PostGIS 1.5?
Because PostGIS 2.0 won’t compile with PostGIS 1.5 installed. There are several
include files that PostGIS 1.5/2.0 installs in ${prefix}/include that take
precedence over the ones furnished with the distribution (because
-I${prefix}/include appears before other -I… during compilation). Thus, if you
have PostGIS 1.5 installed, PostGIS 2.0 will mistakenly use the already
installed headers to compile and fail.
Besides, I am not sure that the libraries installed by PostGIS 1.5 and PostGIS
2.0, albeit bearing the same name, have the same API.
Vincent
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