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Changes between Initial Version and Version 1 of Ticket #27414, comment 3

initial	v1
1	1	(I lost the original comment I wrote here so here's a condensed version).
2	2
3		Using a ForeignKey as the output_field is an interesting idea that I hadn't considered, and would solve any backward compatibility issues. I don't know what the difficulty would be, but F fields already have access to the query to add necessary joins. I doubt foreign key fields are added to joins right yet, but ~~__underscore~~ relationships do add joins to the query. The next hard thing would be reconstructing the object.
	3	Using a ForeignKey as the output_field is an interesting idea that I hadn't considered, and would solve any backward compatibility issues. I don't know what the difficulty would be, but F fields already have access to the query to add necessary joins. I doubt foreign key fields are added to joins right yet, but `__underscore` relationships do add joins to the query. The next hard thing would be reconstructing the object.
4	4
5	5	All of this sounds doable though.