我正在尝试查询数字值最小的条目,然后将数值更新为数据库中的值+1,如下所示:
$ras = db_query("SELECT name,number FROM {people} ORDER BY number DESC LIMIT 1");
$raw = db_fetch_array($ras);
$com_name = $raw['name'];
$count = $raw['number']+1;
db_query("UPDATE {people} (number) SET ('%d') WHERE name='%s'", $count, $com_name);
我收到错误:您的SQL语法有错误;检查与MySQL服务器版本对应的手册,以获得正确的语法。这有什么不对?
答案 0 :(得分:4)
您的SET
条款错误。
试试这个:
db_query("UPDATE {people} SET number = '%d' WHERE name='%s'", $count, $com_name);
或者,(如果您的number
列是INT
类型:
db_query("UPDATE {people} SET number = %d WHERE name='%s'", $count, $com_name);
注意删除的引号?