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closure_table

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Closure Table for Elixir - a simple solution for storing and manipulating complex hierarchies.

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closure_table examples ct_ecto priv repo migrations 20190720144720_create_comments.exs
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examples/ct_ecto/priv/repo/migrations/20190720144720_create_comments.exs 

defmodule CT.Repo.Migrations.CreateComments do

  use Ecto.Migration



  def change do

    create table(:comments) do

      add :text, :text, null: false

      add :author_id, references(:authors, type: :integer, on_delete: :delete_all), null: false



      timestamps default: fragment("timezone('utc', now())")

    end

  end

end