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user_count
2006 May 21
3
has_many :through with a polymorphic join
Hi,
Four tables: users, user_counties, uk_counties and us_counties.
Each user has many counties, and each county has many users, so I
decided to make user_counties a polymorph, so it can have counties
from different countries (each country requires a completely different
set of tables with a completely different set of properties, t...