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2.6
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3

Monthly Downloads: 14
Programming language: Elixir
License: Apache License 2.0

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README

ISN

Build Status

ISN adds a Postgrex.Extension and Ecto.Type definitions for the datatypes defined in the isn PostgreSQL module.

Usage

Ecto migrations

defmodule MyApp.Repo.Migrations.CreateBook do
  use Ecto.Migration

  def change do
    create table(:books) do
      add :isbn, :isbn13
      # other fields
    end
  end
end

Ecto Models

defmodule MyApp.Book do
  use MyApp.Web, :model

  schema "books" do
    field :isbn, ISN.ISBN13, read_after_writes: true
    # other fields
  end
end

Installation

Add the package to your Mixfile

defp deps do
  [{:isn, "~> 2.0"}]
end

Add the isn extension to your database

mix do isn.gen.migration, ecto.migrate

In lib/ directory create a file with the following content:

Postgrex.Types.define(
  MyApp.PostgrexTypes,
  [ISN] ++ Ecto.Adapters.Postgres.extensions(),
  json: Poison
)

Add the following lines in conig.exs:

config :my_app, MyApp.Repo,
  types: MyApp.PostgrexTypes

Defined types

ISN adds the following ecto and corresponding postgrex types:

Ecto.Type Postgrex type
ISN.ISBN :isbn
ISN.ISBN13 :isbn13
ISN.ISMN :ismn
ISN.ISMN13 :ismn13
ISN.ISSN :issn
ISN.ISSN13 :issn13
ISN.EAN13 :ean13
ISN.UPC :upc