Simetrical schreef:
Using the category table how? Just changing the id's? It doesn't work if you want to then change them back, or alter redirects. You could do a join, but that seems like it would break sorted retrieval.
By keeping the category ID the same over a move (like we do with page IDs now), so you only have to change the category's name in the category table rather than in potentially millions of categorylinks rows.
Why would we want to allow moving one category on top of another? Why not ban it, and allow people to create a redirect if they want to "merge" them?
That's also an option, hadn't thought of that.
Roan Kattouw (Catrope)