21 lines
		
	
	
		
			508 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			508 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
 | 
						|
 | 
						|
require Rails.root.join('lib', 'mastodon', 'migration_helpers')
 | 
						|
 | 
						|
class AddEmbedURLToPreviewCards < ActiveRecord::Migration[5.2]
 | 
						|
  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
 |