[imp] Horde2/IMP3 coexisting with Horde3/IMP4 and sharing MySQL DB?

[Jan Schneider]

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

> Hello readers,
>
> I've searched the archive but failed to find definite answers to this,
> neither in the UPGRADING files (hope I haven't just missed them). I
> have an old, busy installation of Horde 2.2.5 / IMP 3.2.3 on a
> production machine heavily used by people with very limited tolerance
> to any kind of inconvenience. I have installed Horde 3.0.10 / IMP
> 4.0.4 aside to this production installation, running over a private
> database for now. (I wish to avoid going straight to Horde 3.1 / IMP
> 4.1 at this point, what I read on this mailing list makes me think
> it's wiser to let them mature a bit more in the context of this
> particular web mail service).
>
> Is there any way to have these two installations share the same
> database? That would allow for a smoother transition and let the most
> conservative users (we have quite a few) keep using the old version
> for as long as I can maintain it. I've noticed that the DB schema has
> changed quite significantly: new tables, tables with more columns...
> This and the number of INSERT statements with list of values in
> the code makes me pessimistic about this being possible.

And this pessimism is appropriate.

Jan.

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