大家好,因为这个查询我可以在 MYSQL 中工作,但我希望它可以在 Codeigniter 事件记录中转换。
基本上我有3张 table
- 供应商(包含 intCat、intCity、*)
- 类别(带有 intId、strCategory、intParent)
- tblcitylist(包含 city_id、city_name)
查询:
SELECT category.strCategory AS strParent, Query3. * FROM (
SELECT tblcitylist.city_name AS strCity, Query2. * FROM (
SELECT Query1.intParent, Query1.strCategory, suppliers. * FROM (
SELECT category.strCategory, category.intId, category.intParent FROM
category WHERE ( ( ( category.intParent ) =51 ) ) ) AS Query1 INNER
JOIN suppliers ON Query1.intId = suppliers.intCat ) AS Query2 INNER
JOIN tblcitylist ON Query2.intCity = tblcitylist.city_id ) AS Query3
INNER JOIN category ON Query3.intParent = category.intId
我想从父类别(51)的所有子类别中获取供应商(及其类别和父类别名称(strCategory,strParent)和城市名称(city_name as strCity))。
提前致谢。
最佳答案
这将通过父 ID 返回父类别及其类别和子类别
function get_parent_child_subchild($category_id,$all_cate=array())
{
if(!is_array($category_id))
{
$this->db->where('parent_id', $category_id);
$all_cate[]=$category_id;
}
else
{
$this->db->where_in('parent_id', $category_id);
}
$get_categories= $this->db->get('newcategory');
if($get_categories->num_rows()>0)
{
$categories_vales=$get_categories->result();
$new_subcat = array();
foreach($categories_vales as $cate_val)
{
$category_id=$cate_val->category_id;
array_push($new_subcat,$category_id);
}
$all_cate = array_merge($all_cate,$new_subcat);
if(count($new_subcat)>0)
{
$this->get_parent_child_subchild($new_subcat,$all_cate);
}
}
return $all_cate;
}
关于mysql - 父类别与所有子类别的数据 MYSQL 查询到 Codeigniter Active Record,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14621928/