How to downgrade a package to a specific minor revision

[Oliver Fuerst]

Hi Jim,

> I did not do this myself, but some have stated that they dump 
> the database before upgrading to a new version. Then they 
> bring it in to the newer version. You might find information 
> in the archives somewhere. I remember the subject being discussed.

This is advisable for major revisions, like from 7.4 to 8.0 or 8.0 to 8.1. My problem (which was already covered on the postgresql-general list) is that I have a database containing non-UNICODE characters which restored just fine up until now, but the new UNICODE checks in the minor revision 8.0.8 refuses to restore my databases because of mentioned characters.

> Anyway, to downgrade a package to a previous version, run the 
> --oldpackage flag to rpm.
> Basically, download the older version and dependent programs 
> to a directory. Then run the below from a root terminal and 
> in the directory
>   where you have the older rpms.
> rpm -Uvh --oldpackage *.rpm
> 
> You should then have the previous version installed.

Thanks for that. That is exactly what I needed to know.

Best,
Oliver Fuerst


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