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List:       kde-bugs-dist
Subject:    [digikam] [Bug 373100] Deleting duplicate image in "Find duplicates" removes all other found duplica
From:       Mario Frank <bugzilla_noreply () kde ! org>
Date:       2016-11-30 9:19:47
Message-ID: bug-373100-17878-nFH78KhyOZ () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=373100

--- Comment #4 from Mario Frank <mario.frank@uni-potsdam.de> ---
(In reply to Simon from comment #3)
> Hi Frank,
> 
> Why do you want to rescan on a delete? This is extremely time consuming when
> the duplicate search is done over a big amount of pictures. The expected
> result described by Kristian would be sane, i.e. just remove the item that
> is no longer a duplicate, but leave everything else (or even leave
> everything, having a "duplicate" group with just one picture is ok when the
> second picture was removed manually).

Hi Simon,
a rescan is necessary since the deleted picture may be present in other SAlbums
than the one where the image was deleted from. Moreover, the patch fixed the
bug where the duplicates count was not reduced by deletion. And I would never
do a complete rescan. This would really be time consuming and insane. A rescan
is only done over the pictures of the SAlbums that were modified by the
deletion. And this usually involves only few pictures. A rescan over 20 images
is done really fast. In fact, leaving a stale SAlbum with only one picture may
be really bad user experience if you really do scan in a big album. As user,
you would expect to only see duplicates.
There was a quite longish discussion in
https://bugs.kde.org/show_bug.cgi?id=261417 about this topic.

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