1)你的$res为空,不属于resource类型,所以mysql_fetch_row()会报参数类型警告。2)mysql_close()关闭的是打开的数据库连接句柄,而不是SQL语句,改成 $link;换个服务器就报错是因为你两个服务器的设置不一样啊,一个处于开发模式,打开了错误警告这 些,另外一个可能就关闭了警告。
MYSQL_ROWmysql_fetch_row(MYSQL_RES*result) Description mysql_fetch_row()retrieves the next row of a result set: When used aftermysql_store_result(),mysql_fetch_row()returnsNULLif there are no more rows to retrieve. When used aftermysql_use_result(),mysql_fetch_row()returnsNULLif there are...
报错信息 CR_SERVER_LOST:查询期间与服务器的连接请求断开。 CR_UNKNOWN_ERROR:出现未知错误。 在调用mysql_fetch_row()期间不会重置错误。 使用说明 行中值的数量由mysql_num_fields(result)给出。如果row包含调用mysql_fetch_row()的返回值,则指向该值的指针的访问范围为row[0]到row[mysql_num_fields(result)...
报错信息 CR_SERVER_LOST:查询期间与服务器的连接请求断开。 CR_UNKNOWN_ERROR:出现未知错误。 在调用mysql_fetch_row()期间不会重置错误。 使用说明 行中值的数量由mysql_num_fields(result)给出。如果row包含调用mysql_fetch_row()的返回值,则指向该值的指针的访问范围为row[0]到row[mysql_num_fields(result)...
mysql__fetch_row()调用显示未定义Fatal error: Call to undefined function mysql__fetch_row() 请教 $conn=mysql_connect($mysql_server_name,$mysql_username,$mysql_password,$mysql_database);mysql_select_db($mysql_database,$conn);$query="SELECT*FROM`student";$r
atoi 是将字符串转数值,可以这样转换
解决思路如下: MYSQL sqlcon; MYSQL_RES * result; mysql_query(&(this->sqlcon), str); result = mysql_store_result...(&(this->sqlcon)); while ((row = mysql_fetch_row(result))) //当mysql_fetch_row返回NULL时,...row = NULL 这个表达式的bool为假 { return true; } mysql_store_result...
mysql> CREATE TABLE t2 (c1 VARCHAR(65533) NOT NULL) ENGINE = InnoDB CHARACTER SET latin1; Query OK, 0 rows affected (0.01 sec) For MyISAM tables, NULL columns require additional space in the row to record whether their values are NULL. Each NULL column takes one bit extra, rounded up...
CREATE PROCEDURE fetchData(OUT the_id INT, OUT the_DATA BLOB) BEGIN SELECT id, DATA INTO the_id, the_DATA FROM feedback.data; END // Should be very simple, but this won't do because as I understand it this will try to put more than one value into each variable which obv....