[Digikam-devel] [digikam] [Bug 318363] New: Bad performance of file renames (thumbnail recreation?)

[Frank Steinmetzger]

https://bugs.kde.org/show_bug.cgi?id=318363

            Bug ID: 318363
           Summary: Bad performance of file renames (thumbnail
                    recreation?)
    Classification: Unclassified
           Product: digikam
           Version: 3.1.0
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: Advanced Rename
          Assignee: digikam-devel at kde.org
          Reporter: Warp_7 at gmx.de

Dear devs

I was just renaming a few dozen files in an album using the rename function.
All I did was changing the extension to lower case, i.e. [name].[ext]{lower}.
The process ran very slowly with a lot of HDD load. Apparently, the thumbnail
is recreated for every image plus possibly some other database stuff (I saw the
thumbnail DB grow while renaming was in progress).
>From my point of view, should a simple changing of the filename reference in
the database not be enough instead of creating a whole new image entry?

Thanks for your consideration.

Reproducible: Always

Steps to Reproduce:
Rename a bunch of files.
Actual Results:  
It takes quite some time and causes a lot of disk load.

Expected Results:  
It should be quite fast, because basically only one string should be changed in
the database.

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