18 lines
506 B
Elixir
18 lines
506 B
Elixir
defmodule Wiki.Repo.Migrations.CreatePageLinks do
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use Ecto.Migration
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def change do
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create table(:page_links) do
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add :from_id, references(:pages, on_delete: :nothing), primary_key: true
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add :to_id, references(:pages, on_delete: :nothing), primary_key: true
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end
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create index(:page_links, [:from_id])
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create index(:page_links, [:to_id])
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create unique_index(:page_links, [:from_id, :to_id],
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name: :page_link_from_id_to_id_unique_index
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)
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end
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end
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