如果异常类型是TApplicationException，并且异常原因是missing_result，那么可以返回null。否则，应该继续向上...
CodeIgniter是一个流行的PHP框架,用于开发Web应用程序。在CodeIgniter中,db->where_in是一个数据库查询构建器的方法,用于向查询中添加WHERE IN子句。 WHE...
->where_in('id',[Math Processing Error]ids);−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−ids是一个数组 ->where_not_in('id',$ids);---与上对立 $array = array('name !=' => $name, 'id...
/*同更新多条一样不可循环去处理删除 如多条数据主键id都可得,循拼接成字符串 */$string='';//需先定义foreach($someDataas$key=>$value){$string.="'".$value['id']."',"; }$string=rtrim($string,',');$sql="DELETE FROM xx WHERE id in ? ";$this->db->query($sql,$string); ...
Where $array is an associative array containing your new data. Here’s an example: <?php $newdata = [ 'username' => 'johndoe', 'email' => 'johndoe@some-site.com', 'logged_in' => true, ]; $session->set($newdata); If you want to add session data one value at a time, ...
('张三','男','1971-10-01');12修改记录:updatenamesetbirthday='1971-01-10'whereuname='张三';13删除记录:deletefromnamewhereuname='张三';14删除表:droptable表名;15删除库:dropdatabase库名;16备份数据库:mysqldump-u root-p--opt 数据库名>备份名; //进入到库目录17恢复数据库:mysql-u root-p ...
OR_WHERE_IN是CodeIgniter中的一个查询构建器方法,用于构建一个OR条件,其中一个字段的值必须在给定的值列表中。它的语法如下:$this->db->or_where_in('field', $values);其中,$values是一个数组,其中包含要搜索的值。CodeIgniter中还有其他where条件,如where,or_where,where_in,or_where_in,where_not_in,...
Generates a WHERE field NOT IN (‘item’, ‘item’) SQL query joined with OR if appropriate$names = array('Frank', 'Todd', 'James'); $this->db->or_where_not_in('username', $names); // Produces: OR username NOT IN ('Frank', 'Todd', 'James') ...
Returns the query results as an array of rows, where each row is itself an associative array. Usage: see Result Arrays. getResultObject() Returns: Array containing the fetched rows Return type: array Returns the query results as an array of rows, where each row is an object of typ...
Generates a WHERE field NOT IN ('item', 'item') SQL query joined with AND if appropriate$names = array('Frank', 'Todd', 'James'); $this->db->where_not_in('username', $names); // Produces: WHERE username NOT IN ('Frank', 'Todd', 'James')...