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Copser/gist:254972bc533327d7a6c9ad94b9a8547a

Created June 14, 2019 09:38
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many to many associations ecto
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gistfile1.txt
user = Repo.get!(User, user_id) |> Repo.preload(:roles)
role = Repo.get!(Role, role_id)
user_changeset = Changeset.change(user) |> Changeset.put_assoc(:roles, [role | user.roles])
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