defmodule MyApp.Repo.Migrations.CreateUser do
  use Ecto.Migration
  import Ecto.SoftDelete.Migration

  def change do
    create table(:users) do
      add :email, :string
      add :password, :string
      timestamps()
      soft_delete_columns()
    end
  end
end

  defmodule User do
    use Ecto.Schema
    import Ecto.SoftDelete.Schema

    schema "users" do
      field :email,           :string
      soft_delete_schema()
    end
  end

import Ecto.SoftDelete.Query

query = from(u in User, select: u)
|> with_undeleted

results = Repo.all(query)

# repo.ex
defmodule Repo do
  use Ecto.Repo,
    otp_app: :my_app,
    adapter: Ecto.Adapters.Postgres
  use Ecto.SoftDelete.Repo
end

# posts.ex
Repo.soft_delete_all(Post)
from(p in Post, where: p.id < 10) |> Repo.soft_delete_all()

post = Repo.get!(Post, 42)
case Repo.soft_delete post do
  {:ok, struct}       -> # Soft deleted with success
  {:error, changeset} -> # Something went wrong
end

post = Repo.get!(Post, 42)
struct = Repo.soft_delete!(post)

defp deps do
  [{:ecto_soft_delete, "~> 1.0"}]
end