[Bug 182128] New: duplicates search results don't refresh unless search re-run

http://bugs.kde.org/show_bug.cgi?id=182128

           Summary: duplicates search results don't refresh unless search
                    re-run
           Product: digikam
           Version: unspecified
          Platform: Fedora RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: [hidden email]
        ReportedBy: [hidden email]


Version:            (using KDE 4.1.4)
Compiler:          gcc (GCC) 4.3.0 20080428 (Red Hat 4.3.0-8) x86_64 platform
OS:                Linux
Installed from:    Fedora RPMs

Here is what I did to reproduce this problem along with my observations:
- I started digikam with a fresh digikam4.db
- quit digikam
- created two copies of some image in one of the albums with the 'cp' utility
- started digikam
- ran a duplicates search
- using digikam I deleted the manually created copies of a know image
- using digikam I deleted one similar duplicate image which I had in my album
originally
- did Albums -> Refresh
- at this point the item counts are still as they were before I deleted the
images (3 and 2 respectively). Also, duplicate reference images still appear in
the search results although only one image shows up in the middle panel when I
click on either reference image.
- then I restart digikam
- the duplicate search results still contain images with no existing duplicates
as before and the item counts are wrong
- rerunning the search while one of the duplicate images is selected brings the
search results to the inconsistent state described in bug 182043:
  - the search results still show the old duplicates and item counts.
  - clicking on the first duplicate reference image (whose duplicates should
have been deleted) shows an unrelated set of duplicate images - screenshot #1.
  - clicking on another duplicate reference image (which was selected ruing the
search and which should have it's duplicate removed) showed a blank middle
panel - screenshot #2.


This is more general version of bug 182029 and I guess 182043.

I'm marking this as a bug since it seems very unintuitive from a user
perspective, although technically it could be thought of as a feature (keeping
search results as persistent as possible until the search is re-run).


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--- Comment #1 from Michael Ploujnikov <ploujj gmail com>  2009-01-28 04:38:11 ---
Created an attachment (id=30665)
 --> (http://bugs.kde.org/attachment.cgi?id=30665)
screenshot #1


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--- Comment #2 from Michael Ploujnikov <ploujj gmail com>  2009-01-28 04:38:28 ---
Created an attachment (id=30666)
 --> (http://bugs.kde.org/attachment.cgi?id=30666)
screenshot #2


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--- Comment #3 from Michael Ploujnikov <ploujj gmail com>  2009-01-28 04:38:52 ---
*** Bug 182029 has been marked as a duplicate of this bug. ***


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Andi Clemens andi clemens gmx net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Fuzzy Searches
            Version|unspecified                 |0.10.0-svn




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--- Comment #4 from Marcel Wiesweg <marcel wiesweg gmx de>  2009-01-29 22:05:22 ---
*** Bug 182043 has been marked as a duplicate of this bug. ***


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Marcel Wiesweg marcel wiesweg gmx de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |[hidden email]




--- Comment #5 from Marcel Wiesweg <marcel wiesweg gmx de>  2009-01-29 22:09:22 ---
Cause and workaround for this are simple: You need to re-create the duplicates
search after you removed and added images.
The search is done once and then stored by image id. Entries from db can be
removed, and new ones added, all this does not touch the duplicates search.
It would not be easy to sync the duplicates search everytime a picture is added
/ removed.
We could make this "offline" situation more clear. This affects only the
duplicates search, all other searches search "online".


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--- Comment #6 from Andi Clemens <andi clemens gmx net>  2009-01-29 22:14:37 ---
But shouldn't removing images at least update the view? Isn't this possible and
logical?
When new images are added, it might be obvious that you need to re-run the find
duplicates search. But when I delete images (mainly in the duplicates search
window), I definitely expect the number to be updated.


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--- Comment #7 from Gilles Caulier <caulier gilles gmail com>  2009-01-29 22:16:34 ---
>Cause and workaround for this are simple: You need to re-create the duplicates >search after you removed and added images.

Perhaps a flag in DB can be used to see if collection is dirty (with images
stats as how many images have been added ?). In this case, something can be
done when duplicates search is selected by user to ask that duplicates search
need to be updated.

Also, i'm not sure if haar matrix is recomputed automatically when new images
are added to collection (by camera interface, or with Editor)

Gilles


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--- Comment #8 from Marcel Wiesweg <marcel wiesweg gmx de>  2009-01-30 22:35:15 ---
No the haar matrix is not recomputed automatically. Haar matrix computation can
be orders of size more expensive than just scanning, so this would really slow
down things.


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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|0.10.0-svn                  |0.10.0




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--- Comment #9 from Gilles Caulier <caulier gilles gmail com>  2011-12-14 16:35:03 ---
Michael,

This file still valid using digiKam 2.x serie ?

Gilles Caulier

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--- Comment #10 from Michael Ploujnikov <ploujj gmail com>  2011-12-18 02:24:01 ---
Sorry, I don't have time/ability to reproduce this at the moment.

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Gilles Caulier <[hidden email]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |WAITINGFORINFO




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--- Comment #11 from Gilles Caulier <[hidden email]> ---
New digiKam 4.11.0 is available :

https://www.digikam.org/node/740

Can you reproduce the problem with this release ?

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[hidden email] changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Version Fixed In|                            |5.1.0
         Resolution|WAITINGFORINFO              |FIXED

--- Comment #12 from [hidden email] ---
With digiKam 5.0.0, this problem is not reproducible.
I close this file now. Don't hesitate to re-open if necessary.
Gilles Caulier

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