I have a family-tree structure to a person model.
I want to be able to find people by specifying an array that
corresponds to the family tree. So if Abe is grandpa, homer is dad and
bart is the son, bart's array would be [abe,homer,bart].
To find bart, I can't just use find_by_name("bart") as there might be
another person called bart (with differnt parents and therefore a
different array). So, to find this particular bart, I want to find abe
first, then find homer, then bart.
How can I do an ititial database query of find_by_name("abe") that
will find the "abe" record as well as all his descendant records, so
that any subsequent filtering is efficient and doesn't hit the
database?
Hope that makes sense, cheers
DAZ
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