Hello,
I have a many-to-many relationship defined as follows:
* schema "rates" do*
* many_to_many :offers, Offer, join_through: "offers_rates"*
* end*
* schema "offers" do*
* many_to_many :rates, Rate, join_through: "offers_rates"*
* end *
The offers_rates table is simply a table that has a offer_id column, and a
rate_id column. I am saving records as follows:
* Enum.map rates, fn (rate) ->*
* Offer.changeset(%Offer{rates: [rate]}, %{shipment_id:
rate.shipment_id, percentage: 1.05})*
* |> Repo.insert!()*
* end *
For every rate, this is generating an offer. I am association the rates
with the offer in the changeset. This seems to work as I can see the join
table being filled properly. When I try to fetch them later, the
association is empty however:
*offers = Repo.preload(shipment, offers: :rates)*
* %Offer{rates: []} *
Are these the proper ways of association records and fetching them from the
database again? Any push in the right direction is greatly appreciated.
Thanks!
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