[Digikam-users] Thumbnail database issues after upgrading to V2.1

[Anders Lund]

On Onsdag den 14. september 2011, Gys van Zyl wrote:
> Hi all,
> After an upgrade from 2.0 to 2.1 I get the following error message:

You are not the only one: https://bugs.kde.org/show_bug.cgi?id=281767

As you can read from the bug report, it is nearly fixed, though :)

> 
> Failed to initialize thumbnail database
> Error message: The database is not valid: the "DBThumbnailsVersion"
> setting does not exist. The current database schema version cannot be
> verified. Try to start with an empty database.
> 
> I use MySQL for the digikam databases. My thumbnails database is
> called digikam_thumbs. It contains a Settings table with the
> following:
> 
> DBThumbnailsVersionRequired   1
> DBThumbnailsVersion         2
> 
> I had to manually create these entries when I started to use mysql
> with digikam 2.0 and before the upgrade it worked fine. In an attempt
> to solve the problem I also inserted the same entries into the digikam
> pictures database (called digikam_db in my case):
> 
> mysql> insert into digikam_db.Settings(keyword,value)
> mysql> VALUES('DBThumbnailsVersionRequired','1');
> mysql> insert into digikam_db.Settings(keyword,value)
> mysql> VALUES('DBThumbnailsVersion','2');
> 
> 
> After this, digikam starts without an error message, but the generated
> thumbnails don't "stick". They are re-generated every time digikam
> restarts and I go back to an album for which thumbnails have been
> generated during a previous run.
> 
> Any ideas what the problem might be and how to solve it?
> 
> -------
> Gys
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> Digikam-users at kde.org
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-- 
Anders
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