在CodeIgniter中,如果你想为同一列创建多个LIKE查询,你可以使用`or_like()`方法。`or_like()`方法允许你在同一个列上添加多个LIKE条件。 下面是一个示例代码,展示了...
使用like条件:为了在数据库中搜索逗号分隔值,你可以使用like条件来匹配包含特定值的列。在like条件中,你可以使用%通配符来表示任意字符。 例如,如果你要搜索包含值"apple"的列,你可以使用以下代码: 例如,如果你要搜索包含值"apple"的列,你可以使用以下代码: 执行查询:使用CodeIgniter的数据库查询构建器类的get方法...
";$this->db->query($sql,array(3, 'live', 'Rick'));//自动转义9.该函数返回当前请求的字段数(列数):$query=$this->db->query('SELECT * FROM my_table');echo$query->num_fields();10.$query=$this->db->query('SELECT title FROM my_table');foreach($query->result()as$row) {echo$...
二、条件查询->where('name','Jack');---条件是姓名为Jack $ids = [1,2,3,4,5] ->where_in('id',$ids);---$ids是一个数组 ->where_not_in('id',$ids);---与上对立 $array = array('name !=' => $name, 'id <' => $id, 'date >' => $date); ->where($array);---...
$search = '20% raise'; $sql = "SELECT id FROM table WHERE column LIKE '%".$this->db->escape_like_str($search)."%'";封裝查詢(Query Bindings)封裝可以簡化你的查詢語法,讓系統幫忙放入資料為您查詢. 請參照底下範例:$sql = "SELECT * FROM some_table WHERE id = ? AND status = ? AND ...
$data = $query->row_array(); //free_result() 释放当前查询所占用的内存并删除关联资源标识 $data = $query->free_result(); /* === 插入操作 === */ //上次插入操作生成的ID echo $this->db->insert_id(); //写入和更新操作被影响的行数 ...
For Querying Relations, You may query the orders relationship and add additional constraints with CI Query Builder to the relationship like so:$customer = $this->CustomersModel->findOne(1) $orders = $customer->orders()->where('active', 1)->get()->result_array();...
The second parameter enables you to set whether or not the query builder query will be reset (by default it will be reset, just like when using $this->db->get()):echo $this->db->limit(10,20)->get_compiled_select('mytable', FALSE); // Prints string: SELECT * FROM mytable LIMIT...
Drop option to disable Query Builder Jan 6, 2022 system fix generating captcha in PHP 8.1 Dec 14, 2023 tests [ci skip] Adapting the php comment on assert Jan 14, 2024 user_guide_src docs: add about CI3 Feb 12, 2024 .editorconfig ...
Consider a query like this: SELECT * FROM hostname.database.table.column AS c FROM hostname.database.table Or a query with aliasing: SELECT m.member_id, m.member_name FROM members AS m Since the column name can include up to four segments (host, DB, table, column) or also have...