[postgis-devel] Parallel installations

alex bodnaru alexbodn at 012.net.il
Tue Dec 20 17:34:32 PST 2005

hi strk,

sorry if i find it too hard to understand. the scenario is:

user has postgis-1.0.x installed and working.
user upgrades to postgis-1.1.x (library and sql).
user wishes to go back to 1.0.x version, by reinstalling previous library.
i'm afraid the solution is: dump the database, create a new
postgis-1.0.x database, and load the dumped data as non dba.
please just confirm.


strk at refractions.net wrote:
> On Tue, Dec 20, 2005 at 03:55:54AM +0200, alex bodnaru wrote:
> ...
>>do you mean, that a user might safely go back to 1.0.* libs after the
>>scripts update?
> By sourcing lwpostgis_upgrade.sql from version 1.0.* you safely go back
> except new functions (introduced in 1.1) will not be replaced, thus will
> work or not depending on availability of the 1.1 library.
> --strk;
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