CREATE DEFINER=`root`@`localhost` FUNCTION `fristPinyin`(P_NAME VARCHAR(255)) RETURNS varchar(255) CHARSET utf8
BEGIN
DECLARE V_RETURN VARCHAR(255);
DECLARE i int;
set i=1;
set V_RETURN="";
WHILE i <=char_length(P_NAME) DO
if hex(substring(P_NAME,i,1)) regexp "e[4-9][0-9a-f]{4}" > 0 THEN
SET V_RETURN=CONCAT(V_RETURN,ELT(INTERVAL(CONV(HEX(left(CONVERT(substring(P_NAME,i,1) USING gbk),1)),16,10),
0xB0A1,0xB0C5,0xB2C1,0xB4EE,0xB6EA,0xB7A2,0xB8C1,0xB9FE,0xBBF7,
0xBFA6,0xC0AC,0xC2E8,0xC4C3,0xC5B6,0xC5BE,0xC6DA,0xC8BB,
0xC8F6,0xCBFA,0xCDDA,0xCEF4,0xD1B9,0xD4D1),
'A','B','C','D','E','F','G','H','J','K','L','M','N','O','P','Q','R','S','T','W','X','Y','Z'));
ELSE
set V_RETURN=CONCAT(V_RETURN,substring(P_NAME,i,1));
end if;
SET i=i+1;
END WHILE;
RETURN V_RETURN;
END
