On Monday, November 14, 2016 at 11:13:48 PM UTC-8, Satyanarayana Gandham
wrote:
>
> Hi,
>
> I have used CTI in my models. The models are below:
> class Review < Sequel::Model
> plugin :class_table_inheritance, key: :type
> many_to_one :product
> end
>
> class BuyerReview < Review
> many_to_one :buyer
> end
>
> class SellerReview < Review
> many_to_one :seller
> end
>
> class Product < Sequel::Model
> one_to_many :reviews
> one_to_many(:seller_reviews, class: Review) { |ds| ds.where(type:
> "SellerReview") }
> one_to_many(:buyer_reviews, class: Review) { |ds| ds.where(type:
> "BuyerReview") }
> end
>
> How can I write the :seller_reviews and :buyer_reviews associations in the
> Product Model better? Can you please help?
> If I write `one_to_many :seller_reviews`, it is throwing error because it
> is expecting product_id column in the `seller_reviews` table. But the
> column is in reviews table.
>
Try specifying :key=>:reviews__product_id and see if that helps.
Thanks,
Jeremy
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