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我一直试图在postgresql的jsonb列中保存JSON,我试过this教程,并开始阅读Ecto API以及Postgrex,但无法使其工作,工作的例子就是光线我:)到目前为止,我已经加入这个我的配置无法在Phoenix中使用Ecto模型生成JSONB
config :bonsai, Bonsai.Repo,
adapter: Ecto.Adapters.Postgres,
username: "demo",
password: "demo123",
database: "bonsai_test",
hostname: "localhost",
pool: Ecto.Adapters.SQL.Sandbox,
extensions: [{Postgrex.Extensions.JSON, [library: Poison]}]
这是我的模型
defmodule Bonsai.Organization do
use Bonsai.Web, :model
schema "organizations" do
field :name, :string
field :currency, :string
field :tenant, :string
field :info, Bonsai.Json.Type, default: %{}
field :settings, :map, default: %{} #, :map#, Bonsai.Json.Type
timestamps
end
@required_fields ~w(name currency tenant)
@optional_fields ~w()
def changeset(model, params \\ :empty) do
model
|> cast(params, @required_fields, @optional_fields)
end
end
和类型的定义是web/utils/json.ex
defmodule Bonsai.Json.Type do
@behaviour Ecto.Type
alias Bonsai.Json
def type, do: :json
def load({:ok, json}), do: {:ok, json}
def load(value), do: load(Poison.decode(value))
def dump(value), do: Poison.encode(value)
end
当我尝试测试我无法保存信息或设置地图
defmodule Bonsai.OrganizationTest do
use Bonsai.ModelCase
alias Bonsai.Organization
@valid_attrs %{currency: "USD", name: "Home", tenant: "bonsai",
settings: %{"last_save" => true},
info: %{"address" => "Samaipata", "mobile" => "73732677", "age" => 40}
}
test "Store json data" do
changeset = Organization.changeset(%Organization{}, @valid_attrs)
{:ok, org} = Bonsai.Repo.insert(changeset)
assert @valid_attrs.info() == org.info
end
end
由于是的,它工作没有任何改变路上,我一直在读一个古老的tutotial,这是在过去 –
答案工程比较复杂,但我试图嵌入一个关系而另一场刚刚离开它作为一个地图,它更难以与JSON这样你可以检查我的新问题有关的警告,我得到http://stackoverflow.com/questions/36130420/ecto-warning-with工作 - 嵌入式模型 –