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我一直試圖在postgresql的jsonb列中保存JSON,我試過this教程,並開始閱讀Ecto API以及Postgrex,但無法使其工作,工作的例子就是光線我:)到目前爲止,我已經加入這個我的配置無法在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]}]
這是我的模型
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
和類型的定義是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
當我嘗試測試我無法保存信息或設置地圖
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
由於是的,它工作沒有任何改變路上,我一直在讀一個古老的tutotial,這是在過去 –
答案工程比較複雜,但我試圖嵌入一個關係而另一場剛剛離開它作爲一個地圖,它更難以與JSON這樣你可以檢查我的新問題有關的警告,我得到http://stackoverflow.com/questions/36130420/ecto-warning-with工作 - 嵌入式模型 –