You mean, way back when why did chadderuski change up the method of assigning categories?
Well, there were two things at play from what I have seen throughout the thread and from looking at how it works. One was that there was the concept of multiple languages, so there had to be a method to apply that, then there was the "stack-up" of categories.. How many v_categories_name_x fields need to be added to address the multiple layers in which a product can exist? Then on top of that applying a second+ language at the same time...
So, as to the use of the caret (or other character as so desired), v_category_name_1 is the category name for the product in the row that is to be in the first language of the store (having language_id = 1), the category that it resides is main_cat1^sub_cat1^sub_sub_cat1^sub_sub_sub_cat1 Thus the product's category is fully defined in a single field.
This has been this way with EP4 for as long as I've known it (4+ years), so I'm curious about to what "old way" this is being compared.
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