Make all current migrations Rails 4.2 based

class CreateSchema < ActiveRecord::Migration

class CreateSchema < ActiveRecord::Migration[4.2]

  create_table "account_deletions", :force => true do |t|

    t.string  "diaspora_handle"

    t.integer "person_id"

class AddFacebookIdToPost < ActiveRecord::Migration

class AddFacebookIdToPost < ActiveRecord::Migration[4.2]

  def change

    add_column :posts, :facebook_id, :string

  end

class FixDefaultImageUrlFromProfile < ActiveRecord::Migration

class FixDefaultImageUrlFromProfile < ActiveRecord::Migration[4.2]

  def up

    execute("UPDATE profiles SET image_url = REPLACE(image_url, 'images', 'assets'), image_url_small = REPLACE(image_url_small, 'images', 'assets'), image_url_medium = REPLACE(image_url_medium, 'images', 'assets') WHERE image_url LIKE '%images/user/default.png';")

  end

class AddTweetIdToPost < ActiveRecord::Migration

class AddTweetIdToPost < ActiveRecord::Migration[4.2]

  def change

  	add_column :posts, :tweet_id, :string

  	add_index :posts, ['tweet_id'], :length => { "tweet_id" => 191 }

class AddOpenGraphCache < ActiveRecord::Migration

class AddOpenGraphCache < ActiveRecord::Migration[4.2]

  def up

    create_table :open_graph_caches do |t|

      t.string :title