Purpose of thumb_file/photo in iPhoto?
If you use Time Machine, I would simply restore your library from before the import. Then you can sort out which photos to import and avoid the duplicates.
|Street Food 2017 by ziggyzag|
from Your City - Fast Food
|Running free by LassiM|
|Treacherous Land- "Dune " by Frank Herbert by Domenick Creaco|
from Sci-Fi or Fantasy Film Titles
|1969 Oldsmobile 442 Resto-Mod by J Warren|
from O is for...