[KPhotoAlbum] Cycles in member maps
Robert L Krawitz
rlk at alum.mit.edu
Wed Apr 4 16:23:54 CEST 2007
Date: Wed, 04 Apr 2007 16:02:43 +0300
From: Tuomas Suutari <thsuut at utu.fi>
I've been thinking to deny cycles in KPhotoAlbum's member maps. (For
example tag A is member of B, B is member of C, and C is member A.)
(Actually I have a code for this already, but it's not committed yet.)
Few reasons to remove cycles:
(1) They make some code more complicated, especially in SQL backend.
(2) They could confuse users.
(3) They make no sense... Or do they?
Can you think any (even remotely) good reason to have cycles in member
maps or would anyone be happy if those weren't allowed?
I can't think of any even potentially good reason for this, and it
could lead to all manner of subtle bugs.
And by the way, this would also deny A being a member of A, just like in
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