[Bug 229234] New: thumbnail mismatch for images with same name

https://bugs.kde.org/show_bug.cgi?id=229234

           Summary: thumbnail mismatch for images with same name
           Product: digikam
           Version: unspecified
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:            (using KDE 4.3.4)
OS:                Linux
Installed from:    Debian testing/unstable Packages

I have a large (>20000 images) db, and images happen to have duplicate file
names even if they're different images in different albums (digital camera
counter resets...).

Starting from recent versions (I'm using 1.1.0 right now, but I've never run
into this problem before version 1.0.0) I've seen that the thumbnail for say
picture DSC01000.jpg in one folder is applied also to another DSC01000.jpg,
which is completely another picture.

I've rm'ed the thumbnails db by hand and it seems that now they're created
correctly (the thumb db was the original one, updated each release), but I cant
assume the problem is solved.

Is picture full path stored in thumb db?

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[Gilles Caulier-4]

https://bugs.kde.org/show_bug.cgi?id=229234


Gilles Caulier <[hidden email]> changed:

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          Component|general                     |Database
            Version|unspecified                 |1.2.0




--- Comment #1 from Gilles Caulier <caulier gilles gmail com>  2010-03-03 12:14:12 ---
This is fully releavant of thumbnails database entries registration

Right Marcel ?

Gilles Caulier

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--- Comment #2 from Stefano <rs4000 gmail com>  2010-03-03 12:19:13 ---
Just to be more precise, the *photo* DB comes from very ancient releases, I've
never had to rebuild it (eheh, good work guys), so the problem may be related
to updates-on-updates, and unexistent on new fresh installs.

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[Marcel Wiesweg]

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--- Comment #3 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-03-03 18:56:49 ---
The file paths in the thumbnail db are stored by full file path (plain simple
file path, nothing fancy about volumes and collections) and alternatively
content-based hash.

I dont know what has happened here.
The question is: can you reproduce?

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--- Comment #4 from Tom Malfrere <tom malfrere pandora be>  2010-06-10 14:56:45 ---
Same problem here!

I have 2 cameras (Canon 300D and 550D). OpenSuse 11.2 with digikam 1.0.0 and
1.2.0.

I have a Synology network HD thats fetches my images from my cameras.
First I copied my images from my 550D to my network HD. Then I copied these
foto's to my 'new' folder on my laptop (OpenSuSE 11.2). Then I opened digikam
1.0.0. All thumbnails were OK. I created some new folders and sorted all the
fotos from my 550D into these folders. I ended with an empty 'new' folder.

Then my synology copied these fotos from my 300D camera. I copied these images
into my 'new' folder. I opened digikam (1.2.0).
Some of the images had a wrong thumbnail. Images with the same name as images
from my 550D camera had the wrong thumbnail!
viewing the full image or the preview gave the correct image (different from
thumbnail).
Selecting an other folder and back did not help.
Pressing F5 did not help.
Thumbnail rebuild (Quick) did not help.
Closing digikam and reopening did not help.
Closing dikikam renaming the images and reopening digikam did not help. The
images now had a different name, but still the thumbnails were wrong.

I upgraded my KDE from 4.3.5 to 4.4 and digikam from 1.0.0 to 1.2.0
I opened digikam and still the thumbnails were wrong.

I finally resolved the problem by deleting the thumbnail.db (not sure about the
correct name) in my home folder.

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--- Comment #5 from Tom Malfrere <tom malfrere pandora be>  2010-06-10 15:07:12 ---
I made a small typo there.
the images from my 300D were also opened with digikam 1.0.0 not with 1.2.0.
It's on later I did the upgrade.

Another detail I would like to report is that my thumbnail database could have
been very old. I have been using digikam for several years. I think I started
with v0.5 or so...

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--- Comment #6 from Marcel Wiesweg <marcel wiesweg gmx de>  2010-06-10 17:05:39 ---
Ok, that's interesting but doesn't help too much because your thumbnail db is
deleted and you were using an old version of digikam.
Let me hear when someone can reproduce with 1.3.0 and has a thumbnail db ready
for inspection.

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--- Comment #7 from Tom Malfrere <tom malfrere pandora be>  2010-06-13 21:25:52 ---
I'm waiting for opensuse to build me an 1.3 package.
Then I'll try if I still get the same issue.

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[Francesco Riosa-2]

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             Status|UNCONFIRMED                 |RESOLVED
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         Resolution|                            |FIXED




--- Comment #8 from Francesco Riosa <francesco+kde pnpitalia it>  2011-06-29 12:52:51 ---
2.0.0-rc is out, please re-open if needed

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[Gilles Caulier-4]

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           What    |Removed                     |Added
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   Version Fixed In|                            |2.0.0

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