问无法从mysql.proc加载。该表可能已损坏

EN

../bin mysql mysql_upgrade -uroot -p --force

DELIMITER $$

CREATE FUNCTION `randStr250`(length int) RETURNS varchar(250) CHARSET utf8
begin
  declare s varchar(250);
  declare i tinyint;
  set s="";
  if (length<1 or length>6) then
      set s="Parameter should be in range 1-6. Your value was out of this range.";
  else
    set i=0;
    while i<length do
        set s=concat(s,sha1(now()));
        set i=i+1;
    end while;
  end if;
  return s;
end $$

DELIMITER ;