这适用于MySQL 5.0.41,但在5.1.31上它只是说“创建功能失败”。 我在控制台中输入:
delimiter |
<press enter>
CREATE DEFINER=`root`@`localhost` FUNCTION `ucwords`( str VARCHAR(128) ) RETURNS varchar(128) CHARSET utf8
BEGIN
DECLARE c CHAR(1);
DECLARE s VARCHAR(128);
DECLARE i INT DEFAULT 1;
DECLARE bool INT DEFAULT 1;
DECLARE punct CHAR(17) DEFAULT ' ()[]{},.-_!@;:?/';
SET s = LCASE( str );
WHILE i < LENGTH( str ) DO
BEGIN
SET c = SUBSTRING( s, i, 1 );
IF LOCATE( c, punct ) > 0 THEN
SET bool = 1;
ELSEIF bool=1 THEN
BEGIN
IF c >= 'a' AND c <= 'z' THEN
BEGIN
SET s = CONCAT(LEFT(s,i-1),UCASE(c),SUBSTRING(s,i+1));
SET bool = 0;
END;
ELSEIF c >= '0' AND c <= '9' THEN
SET bool = 0;
END IF;
END;
END IF;
SET i = i+1;
END;
END WHILE;
RETURN s;
END |
<press enter>
我甚至尝试将其最小化为:
delimiter |
<press enter>
CREATE DEFINER=`root`@`localhost` FUNCTION `ucwords`( str VARCHAR(128) ) RETURNS varchar(128) CHARSET utf8
BEGIN
DECLARE s VARCHAR(128);
RETURN s;
END |
<press enter>
我甚至在没有定义者的情况下尝试过它,只需使用:
delimiter |
<press enter>
CREATE FUNCTION `ucwords`( str VARCHAR(128) ) RETURNS varchar(128) CHARSET utf8
BEGIN
DECLARE s VARCHAR(128);
RETURN s;
END |
<press enter>
答案 0 :(得分:0)
您最近是否从MySQL 5.0升级到5.1?如果是这样,您需要运行mysql_upgrade脚本来更新系统表。在这种情况下,mysql.proc表架构已更改,这可以解释您的问题: http://dev.mysql.com/doc/refman/5.1/en/mysql-upgrade.html
有关升级到5.1的更多信息: http://dev.mysql.com/doc/refman/5.1/en/upgrading-from-previous-series.html