[英]combining oracle sql AND OR queries in Codeigniter using oci8 database drivers
我正在使用codeigniter OCI8数据库驱动程序可以任何人帮我如何使用$this->db->group_start()
。
如果这在oci8中不起作用,那么我使用基于ajax的数据表的任何备用选项。
在页面加载数据表工作,但在搜索数据表的情况下返回此错误
致命错误 :调用未定义的方法CI_DB_oci8_driver :: group_start()
这是我的代码
function _get_datatables_query(){
$this->db->from($this->table);
$i = 0;
foreach($this->column_search as $item){
if(strtoupper($_POST['search']['value'])) // if datatable send POST for search
{
if($i===0) // first loop
{
$this->db->group_start();
$this->db->like($item, strtoupper($_POST['search']['value']));
}
else
{
$this->school_db->or_like($item, strtoupper($_POST['search']['value']));
}
$this->db->group_end();
// if(count($this->column_search) - 1 == $i) //last loop
// $this->db->group_end(); //close bracket
}
$i++;
}
if(isset($_POST['order'])) // here order processing
{
$this->db->order_by($this->column_order[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
}
else if(isset($this->order))
{
$order = $this->order;
$this->db->order_by(key($order), $order[key($order)]);
}
}
我不知道会抛出哪个错误 - 但是你的功能不会那样 - 请尝试以下方法
function _get_datatables_query()
{
$this->db->from($this->table);
$this->db->group_start();
foreach($this->column_search as $item)
{
if(strtoupper($_POST['search']['value'])) // if datatable send POST for search
{
$this->db->or_like($item, strtoupper($_POST['search']['value']));
}
}
$this->db->group_end();
if(isset($_POST['order'])) // here order processing
{
$this->db->order_by($this->column_order[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
}
else if(isset($this->order))
{
$order = $this->order;
$this->db->order_by(key($order), $order[key($order)]);
}
}
我用一些自定义编码解决了这个问题。 我只是把Like in Where子句
$ this-> db-> where(“(”。$ item。“LIKE'%”。strtoupper($ _ POST ['search'] ['value']。“%'”));
这是适合我的解决方案
private function _get_datatables_query()
{
$this->db->from($this->table);
$i = 0;
foreach ($this->column_search as $item)
{
if(strtoupper($_POST['search']['value'])) // if datatable send POST for search
{
if($i===0) // first loop
{
if(count($this->column_search) > 1)
$this->db->where("(" .$item . " LIKE '%".strtoupper($_POST['search']['value']."%'"));
else
$this->db->where("(" .$item . " LIKE '%".strtoupper($_POST['search']['value']."%')"));
}
else
{
if(count($this->column_search) - 1 == $i)
$this->db->or_where($item . " LIKE '%".strtoupper($_POST['search']['value']."%')"));
else
$this->db->or_where($item . " LIKE '%".strtoupper($_POST['search']['value']."%'"));
}
}
$i++;
}
if(isset($_POST['order'])) // here order processing
{
$this->db->order_by($this->column_order[$_POST['order']['0']['column']], $_POST['order']['0']['dir']);
}
else if(isset($this->order))
{
$order = $this->order;
$this->db->order_by(key($order), $order[key($order)]);
}
}
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