class FixEmojiPathTake2 < ActiveRecord::Migration OLD_URL = '/plugins/emoji/images/' NEW_URL = '/images/emoji/' def up execute <<-SQL UPDATE posts SET cooked = REPLACE(cooked, '#{OLD_URL}', '#{NEW_URL}') WHERE cooked LIKE '%#{OLD_URL}%' SQL end def down execute <<-SQL UPDATE posts SET cooked = REPLACE(cooked, '#{NEW_URL}', '#{OLD_URL}') WHERE cooked LIKE '%#{NEW_URL}%' SQL end end