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<p><font face="Helvetica, Arial, sans-serif">To go deeper into how
Advanced Search Tool can help me in my quest of empty field, I
built a test album with 4 elements in order to make some tests :</font></p>
<p><font face="Helvetica, Arial, sans-serif">1. Image with EXIF
section, and field "Make"="NIKON" (from DSLR)<br>
2. Image with EXIF section, and "Make"=null (from ExifTool)<br>
3. Image with EXIF section, but "Make" missing (saved from
SMS/MMS by smartphone)<br>
4. Image without EXIF section (build from scratch by GIMP)</font></p>
<p><font face="Helvetica, Arial, sans-serif">I tried a lot of
requests all based on the EXIF field "Make" (the manufacturer of
the camera) and, at this step, it seems to me so strange...</font></p>
<p><font face="Helvetica, Arial, sans-serif">1. Searching for the
only album name => 4 images (as expected)<br>
2. Searching for NIKON (second criteria in the main group :
Photograph Information/The manufacturer of the camera) => 1
image (as expected)<br>
3. Searching for all cases in the proposed listbox of Make
criteria => 1 image (versus 3 expected)<br>
4. excluding NIKON by </font><font
face="Helvetica, Arial, sans-serif">adding a second search group
with options AND/"None of these conditions are completed" and
criteria "Make"=NIKON => 1 image (versus 3 expected !!!)</font></p>
<p><font face="Helvetica, Arial, sans-serif">What seems to me "out
of MY sens" is that the case "Make = nothing" is not proposed in
the relevant listbox of search number 3, while it is
automatically excluded by the search number 4, WITHOUT ANY
REQUEST FOR THAT (assuming I'd tick only fulfilled field
values...) ...! </font></p>
<p><font face="Helvetica, Arial, sans-serif">my questions :</font></p>
<p><font face="Helvetica, Arial, sans-serif">- is this the way of
working wanted for Digikam?</font></p>
<p><font face="Helvetica, Arial, sans-serif">- if yes, how can I
exclude the empty "Make" field values of my search (I never
succeed in my attempts...)?</font></p>
<p><font face="Helvetica, Arial, sans-serif"><br>
</font></p>
<p><font face="Helvetica, Arial, sans-serif">Hope my explanations
(and my English) are clear enough!</font></p>
<p><font face="Helvetica, Arial, sans-serif">Olivier</font></p>
<p><font face="Helvetica, Arial, sans-serif"><br>
</font></p>
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