see http://www.howtoforge.com/forums/showthread.php?p=299049

mrtnzlml

2013-07-26 4c12c10c58529cd80a34e820caee06ef8754a7aa

1
UPDATE `web_domain` SET `redirect_path` = CONCAT(`redirect_path`, '/') WHERE `redirect_path` != '' AND RIGHT(`redirect_path`, 1) != '/' AND (LEFT(`redirect_path`, 7) = 'http://' OR  LEFT(`redirect_path`, 8) = 'https://' OR LEFT(`redirect_path`, 11) = '[scheme]://');