class MoveEmojiToNewLocation < ActiveRecord::Migration def up execute("update posts set cooked = regexp_replace(cooked, '\(<img[^\>]*)assets\/emoji\/', '\\1plugins\/emoji\/images\/' , 'g') where cooked like '%emoji%'") end def down execute("update posts set cooked = regexp_replace(cooked, '\(<img[^\>]*)plugins\/emoji\/images\/', '\\1assets\/emoji\/' , 'g') where cooked like '%emoji%'") end end