mobilizon/priv/repo/migrations/20200721131521_add_url_to_conversation.exs

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defmodule Mobilizon.Storage.Repo.Migrations.AddUrlToConversation do
use Ecto.Migration
def up do
# Just in case old name is used
drop_if_exists(constraint(:comments, :comments_conversation_id_fkey))
drop_if_exists(constraint(:comments, :comments_discussion_id_fkey))
alter table(:discussions, primary_key: false) do
remove(:id)
add(:id, :uuid, primary_key: true)
add(:url, :string, null: false)
end
alter table(:comments) do
remove(:discussion_id)
add(:discussion_id, references(:discussions, type: :uuid), null: true)
end
end
def down do
drop_if_exists(constraint(:comments, :comments_conversation_id_fkey))
drop_if_exists(constraint(:comments, :comments_discussion_id_fkey))
alter table(:discussions, primary_key: true) do
remove(:id)
add(:id, :serial, primary_key: true)
remove(:url)
end
alter table(:comments) do
remove(:discussion_id)
add(:discussion_id, references(:discussions, type: :serial), null: true)
end
end
end