git.squeep.com Git - akkoma/blob - priv/repo/migrations/20191007073319_create_following_relationships.exs

   1 defmodule Pleroma.Repo.Migrations.CreateFollowingRelationships do
   2   use Ecto.Migration
   3
   4   # had to disable these to be able to restore `following` index concurrently
   5   # https://hexdocs.pm/ecto_sql/Ecto.Migration.html#index/3-adding-dropping-indexes-concurrently
   6
   7   def change do
   8     create_if_not_exists table(:following_relationships) do
   9       add(:follower_id, references(:users, type: :uuid, on_delete: :delete_all), null: false)
  10       add(:following_id, references(:users, type: :uuid, on_delete: :delete_all), null: false)
  11       add(:state, :string, null: false)
  12
  13       timestamps()
  14     end
  15
  16     create_if_not_exists(index(:following_relationships, :follower_id))
  17     create_if_not_exists(unique_index(:following_relationships, [:follower_id, :following_id]))
  18   end
  19 end