[Bug 187055] New: digikam regular database backup

https://bugs.kde.org/show_bug.cgi?id=187055

           Summary: digikam regular database backup
           Product: digikam
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:            (using KDE 4.2.1)
OS:                Linux
Installed from:    Unlisted Binary Package

4 days ago Digikam was unable to start. It was telling me that it was unable to
upgrade database from version 4 to version 5.
I didn't understand and was unable to view logs.

Now I've lost my database. Over 5000 .raw files tagged are now untagged :(
But I have the ideé that Digikam could make un backup of the database every
Week to prevent datalost during crashes.

I think it would be reassuring for those who have huge collection with lot of
raw files.

Users could have the choice of a weekly or a monthly backup and could choose
the directories.

Well it's just an idea but it would protect me from loosing 3 month of jub. . .

PS : sorry if my english is not good. . . french guy inside.

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=187055


Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Database
            Version|unspecified                 |0.11.0-svn




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2009-03-13 16:15:11 ---
Marcel,

"Et voilà"

This is the last master of piece of software to do in digiKam before to publish
1.0 version (:=)))

We will need to talking about in the future, when 0.11 lead developement with
Batch Queue Manager will be done.

Gilles

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[Marcel Wiesweg]

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--- Comment #2 from Marcel Wiesweg <marcel wiesweg gmx de>  2009-03-13 16:24:18 ---
I think comment #1 from Gilles was inadvertendly placed here ;-)

Okanda, what does it mean you lost your db? Did you have harddisk failure? Or
did digikam crash before? Data loss should not happen because the underlying
database keeps a journal and is transaction safe.

I dont think digikam should be doing backups because it is simply not running
all the time. Data loss can occur anytime. There are dedicated tools better
suited for this purpose.

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--- Comment #3 from Okanda <le_coude_gauche no-log org>  2009-03-13 16:37:45 ---
No, I didn't have harddisk failure.

I didn't really lost data. But I was unable to start digikam with my database.
So, I move it to antoher folder to be able to start digikam.
In the collection options tab, I change the directory to where I moved my
database to test if Digikam could load it but it didn't.

So I lost all my tags (label?) list. And so, all my raw files that were tagged
are now untagged (no problem with the jpeg because the tags are in the file).

I'm not a programmer but I think it wouldn't be so hard to do this. Digikam
simply have to copy the current database.db to database_date.backup once a
week.

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[a.garcia]

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--- Comment #4 from Ariel Garcia <garcia iwr fzk de>  2009-05-03 12:32:28 ---
Hi Okanda,

i would imagine that your database is still fine but that you
upgraded/installed a new version of digikam which couldn't deal with your old
database ("unable to upgrade database from version 4 to version 5."). It
happened to me also but mine didn't have much useful info.

So the information is still there, but digikam 0.10 can't load it, downgrading
digikam would work but it is of course not the best solution.

@devels: is there perhaps a simple sql script to rescue the tags from the old
DB and load them into the new one?

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--- Comment #5 from Ariel Garcia <garcia iwr fzk de>  2009-05-03 12:34:50 ---
On the other hand, i strongly second this bug original wish request: having the
DB being backed up doesn't mean digikam has to be running permanently, but it
can remind/offer you to backup the DB (ie, copy the file on an external media
for instance) when quitting the application, or after loading additional 100 or
1000 or XX images, or after a week/month/XX of last backup when you start it
again.

Of course we should all be running backups anyways, but some data is more
critical than other...

Actually i would love to be able to export partial databases for backup
purposes... exporting all entries/tags/thumbnails/whatever related to all my
pictures in the folder /foor/bar1 in a standalone DB1, then i can create a DVD
with the whole content of /foo/bar1 and the associated DB1 inside.
:-) See also bug #113715 for this one.

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[Gilles Caulier-4]

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|0.11.0-svn                  |1.0.0




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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |[hidden email]
         Resolution|                            |DUPLICATE




--- Comment #6 from Gilles Caulier <caulier gilles gmail com>  2010-06-10 10:24:05 ---
I mark this entry as dupplicate of 224312. The topic is the same. Please
continue to talk about at this place.

Gilles Caulier

*** This bug has been marked as a duplicate of bug 224312 ***

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           What    |Removed                     |Added
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          Component|Database                    |Database-Maintenance

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