mysql游标遍历问题...
CREATE PROCEDURE `UserCenterAction`(uId int,timeArea date)
BEGIN
DECLARE notInIds varchar(255 );
DECLARE userLocation varchar(10);
DECLARE notFriendIds varchar(255 );
DECLARE differentLocaleIds varchar(255 );
DECLARE notFriendActionIdTemp int;
DECLARE notFriendActionOwnerIdTemp int;
DECLARE differentLocaleActionIdTemp int;
DECLARE differentLocaleActionOwnerIdTemp int;
DECLARE isFriend int ;
DECLARE isSameArea int default 0;
DECLARE notFriendCount int ;
DECLARE differentLocationCount int default 0;
DECLARE onlyFriendCur CURSOR for select id,Creater_id from member_action where display_flag='Y' and Create_time > timeArea and permission_code="-4";
DECLARE netWorkAndFriendCur CURSOR for select id,Creater_id from member_action where display_flag='Y' and Create_time > timeArea and permission_code="-3";
select count(*) into notFriendCount from member_action where display_flag='Y' and Create_time > timeArea and permission_code='-4';
select Location into userLocation from member where userId=uId ;
open onlyFriendCur;
WHILE notFriendCount > 0 DO
fetch onlyFriendCur into notFriendActionIdTemp,notFriend
相关问答:
在安装Java编译器的Eclipse的时候,对环境变量进行了配置,在安装MySQl的时候也要对环境变量进行配置;那么后面的配置会影响前面的Eclipse的配置吗?
请大家多指教~!谢谢!
不会把,我这都装了的 我系统里 还装了 ......
先上错误
无法联接数据库
java.sql.SQLException: Before start of result set
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:910)
at com.mysql.jdbc.ResultSet.checkRowPos(ResultSet.java: ......
表
CREATE TABLE `ch1` (
`id` int(10) unsigned zerofill NOT NULL AUTO_INCREMENT,
`no` int(10) unsigned DEFAULT NULL,
`dtime` datetime DEFAULT NULL,
PRIMARY KEY (`id ......
刚刚接触MySQL,不知道该如何去查看数据,插入数据,创建数据库、表,用哪为前辈能指教一二?
MySQL 5.1参考手册
引用
兄弟你会结贴吗?
mysql 参考手册
baidu
MySQL官方文档 http://dev.mysql.com/doc ......
try
{
sql::Driver *driver;
sql::Connection *con;
//创建连接
driver = get_driver_instance();
con = driver->connect("tcp://192.168.18.52:3306", "root", "1234 ......