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user_count
2006 Jul 11
1
counter_cache, has_many and belongs_to
...ber of associated objects? Wouldnt the has_many
association need the counter cache instead since you never know how many
records are linked?
Maybe I''m just not understanding something, but here is the snippet I am
using:
class Coupon
has_many :coupon_uses, :counter_cache => :uses_count
end
Now I could just do "coupon.coupon_uses.size" but there will be very
large number of associated objects and would rather not even visit the
table if I don''t need to.
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