Hello, I have a mysql table with categories in a nested set structure ( http://en.wikipedia.org/wiki/Nested_set_model ). How can I map an entire category tree of an articel with an foreign key of the category table? That I have in MySQL and I would like to have this tree as a facet in elasticsea…

How to map a MySQL NestedSet Category Tree?

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How to map a MySQL NestedSet Category Tree?