2017-12-07 03:37:43 +01:00
|
|
|
require Rails.root.join('lib', 'mastodon', 'migration_helpers')
|
|
|
|
|
|
2021-03-19 02:42:43 +01:00
|
|
|
class AddEmbedURLToPreviewCards < ActiveRecord::Migration[5.1]
|
2017-12-07 03:37:43 +01:00
|
|
|
include Mastodon::MigrationHelpers
|
|
|
|
|
|
|
|
|
|
disable_ddl_transaction!
|
|
|
|
|
|
|
|
|
|
def up
|
|
|
|
|
safety_assured do
|
|
|
|
|
add_column_with_default :preview_cards, :embed_url, :string, default: '', allow_null: false
|
|
|
|
|
end
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def down
|
|
|
|
|
execute "UPDATE preview_cards SET url=embed_url WHERE embed_url!=''"
|
|
|
|
|
remove_column :preview_cards, :embed_url
|
|
|
|
|
end
|
|
|
|
|
end
|
