$query = "DROP FUNCTION IF EXISTS fnElfProef (accountNr INT)";
mysql_query($query);
$query = "CREATE FUNCTION fnElfProef (accountNr INT)
RETURNS BOOLEAN
BEGIN
DECLARE i, totaal INT DEFAULT 0;
WHILE i < 9 DO
SET i = i+1;
SET totaal = totaal+(i*(accountNr%10));
SET accountNr = FLOOR(accountNr/10);
END WHILE;
RETURN (totaal%11) = 0;
END";
mysql_query($query);
$query = "SELECT * FROM mytable";
mysql_query($query);
除了特权之外,很可能导致您出现问题的是,实际上 mysql_query($query) 每次调用只能执行一个命令!
所以你要做的就是将命令分成几个 mysql_query($query) -调用。
我的意思是这样的:
$query = "DROP FUNCTION IF EXISTS fnElfProef (accountNr INT)"; mysql_query($query); $query = "CREATE FUNCTION fnElfProef (accountNr INT) RETURNS BOOLEAN BEGIN DECLARE i, totaal INT DEFAULT 0; WHILE i < 9 DO SET i = i+1; SET totaal = totaal+(i*(accountNr%10)); SET accountNr = FLOOR(accountNr/10); END WHILE; RETURN (totaal%11) = 0; END"; mysql_query($query); $query = "SELECT * FROM mytable"; mysql_query($query);