[digiKam-users] Should it not be simple to move entire collection of photos to a new location?

[BensonBear]

jdd at dodin.org wrote
> Le 29/09/2019 à 12:57, BensonBear a écrit :
> why not use an usb3 external disk?

The point I was asking about was the database file itself.  On different
machines (especially if on different operating systems) the collections will
likely have to be stored in different locations (that is, in terms of the
device id and pathname) so the databases themselves have to be different. 
>From what I gathered it should suffice to change the AlbumRoots rows for
those collections to point to the correct spot, but when I did this, I found
that although it worked, it took a long time to start up digikam and it
seemed to be doing unnecessary work.

It turns out that the reason for this was that when the image files
themselves were copied, the technique I used dropped some of the detail in
the "time modified" data for the image files and thus digikam had to
re-process them.    This problem is a problem that is external to digikam,
whereas the problem I was asking about (in digikam forum!) is within digikam
itself (and easily solved as it turns out by what I was doing).



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