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2006 Apr 20
4
Many to Many Category structure with itself
...any to many relationship with itself. But I also want each catagory to be able to be "copied" into another category so it is essentially a child category to more than one parent. To me the obvious way of doing this is by creating another table called category_maps (and a model called CategoryMap). The category_maps table would keep the parent_id/child_id relationships for the categories table. As far as the user experience, I want it to work so if you go to controllername/list_cats (with no id) it will display all cats with a parent_id of 0. If they go to controllername/list_cats/3 it s...