[imp] testing a second version of Horde

[lst_hoe01@kwsoft.de]

Zitat von Alain Fauconnet <alain at ait.ac.th>:

> On Fri, May 12, 2006 at 11:04:30AM +0200, lst_hoe01 at kwsoft.de wrote:
>> The change in Horde config files depend on the following :
>> - If it is the same major release without changing DB structure you are done
>> - If it only use some extension you can use the same DB and extend the
>> schema
>> - If it is a major upgrade you should use a other DB (Schema)
>
> Yup. E.g. between 3.0 and 3.1: no joy, DB schema has changed, so you
> need to have to use different DBs thus no common address book between
> the two worlds, a major problem.

If the new version only *extends* the given tables or add some more you 
can run the update script and use the same DB with both versions as the 
old installation simply ignores the new rows/tables.

Regards

Andreas