OceanBase C API 库 V2.0.0 C API 函数 mysql_fetch_row() 更新时间:2025-03-14 23:00:01 mysql_fetch_row()用于检索结果集的下一行。 语法 MYSQL_ROWmysql_fetch_row(MYSQL_RES*result) 返回值 返回下一行的MYSQL_ROW结构,或NULL。 以下情况会返回NULL值: ...
mysql_fetch_row()is a synchronous function. Its asynchronous counterpart ismysql_fetch_row_nonblocking(), for use by applications that require asynchronous communication with the server. SeeChapter 7,C API Asynchronous Interface. mysql_fetch_row()retrieves the next row of a result set: ...
version 5.7 5.4.21 mysql_fetch_row() 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. ...
这里$row['cid'],$row[1]都能得到相应的值。 mysql_fetch_row和mysql_fetch_assoc的功能加起来就是mysql_fetch_array。 四、mysql_fetch_object 顾名思义,从结果集中取得一行作为对象,并将字段名字做为属性。所以只有这样才能取到值: while($row = mysql_fetch_object($res)){ echo $row->cid.'>>>'....
如果你的表里面有字段a,b,c那么你用mysql_fetch_row() 就返回array(1=>a的值,2=>b的值,3=>c的值)这个时候你读数组的话,只能这样写$array[1],$array[2]才能得到a的值;要是用mysql_fetch_array() 就返回array(a=>a的值,b=>b的值,c=>c的值)和 array(1=>a的值,2=>b的值,3=>c的值)这...
百度试题 结果1 题目获取查询结果记录数使用什么函数 A. mysqli_fetch_array() B. mysqli_fetch_rows() C. mysqli_fetch_row() D. mysqli_num_rows() 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目php 连接上 mysql 之后,采用哪个函数配置循环可以得到指定表中的记录? A. mysql_fetch_row B. mysql_select_db C. mysql_query D. mysql_connect 相关知识点: 试题来源: 解析 参考答案:A 反馈 收藏
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mysql_fetch_row_nonblocking()was added in MySQL 8.0.16. Return Values Returns anenum net_async_statusvalue. See the description inSection 7.2, “C API Asynchronous Interface Data Structures”. ANET_ASYNC_ERRORreturn status indicates an error. ...
mysql_fetch_row_nonblocking()was added in MySQL 8.0.16. Return Values Returns anenum net_async_statusvalue. See the description inSection 7.2, “C API Asynchronous Interface Data Structures”. ANET_ASYNC_ERRORreturn status indicates an error. ...