fix case sensitive bug when querying information schema db (#122)
fix case sensitive bug when querying information schema db (#122)


imay/palo,imay/palo,cyongli/palo,imay/palo,morningman/palo,cyongli/palo,morningman/palo,morningman/palo,lingbin/palo,morningman/palo,cyongli/palo,morningman/palo,imay/palo,lingbin/palo,cyongli/palo,lingbin/palo,imay/palo,imay/palo,lingbin/palo,cyongli/palo,lingbin/palo,cyongli/palo,morningman/palo,lingbin/palo