将子查询添加到CTE

Question

import UIKit

class ViewController: UIViewController, UIScrollViewDelegate {

    var scrollView: UIScrollView = UIScrollView()
    var viewInScrollView: UIView = UIView()
    var selectedImageView: UIImageView = UIImageView()


    override func viewDidLoad() {
        super.viewDidLoad()

        scrollView.delegate = self

        view.addSubview(scrollView)
        scrollView.addSubview(viewInScrollView)
        viewInScrollView.addSubview(selectedImageView)
        selectedImageView.image = UIImage(named: "michael")

        scrollView.translatesAutoresizingMaskIntoConstraints = false
        viewInScrollView.translatesAutoresizingMaskIntoConstraints = false
        selectedImageView.translatesAutoresizingMaskIntoConstraints = false

        scrollView.anchor(top: view.safeAreaLayoutGuide.topAnchor, leading: view.leadingAnchor, bottom: view.bottomAnchor, trailing: view.trailingAnchor)
        viewInScrollView.anchor(top: view.safeAreaLayoutGuide.topAnchor, leading: view.leadingAnchor, bottom: view.bottomAnchor, trailing: view.trailingAnchor)
        viewInScrollView.widthAnchor.constraint(equalToConstant: view.frame.width).isActive = true
        viewInScrollView.heightAnchor.constraint(equalToConstant: view.frame.height).isActive = true

        selectedImageView.anchor(top: viewInScrollView.topAnchor, leading: viewInScrollView.leadingAnchor, bottom: viewInScrollView.bottomAnchor, trailing: viewInScrollView.trailingAnchor)

    }

    func viewForZooming(in scrollView: UIScrollView) -> UIView? {
        return selectedImageView
    }

}

当前情况：

我想要的是：

我将解释我想要什么：上面的查询仅从declare @nodeid int = '1'; with cte as ( select cust_ID, name, null lnode, null rnode from user_detail where cust_ID = @nodeid union all select t.cust_ID, t.name, isnull(cte.lnode, case when t.joinside = 0 then 1 else 0 end) lnode, isnull(cte.rnode, case when t.joinside = 1 then 1 else 0 end), rnode from user_detail t inner join cte on cte.cust_ID = t.parentid ) select cust_ID, name from cte where rnode = '0' option (maxrecursion 0) 表中获取结果。我想以某种方式修改查询，使其也在user_detail表中搜索相应installments的{​​{1}}列。

修改后的查询将基于status从分期付款表中获取状态值。

查询将在第三列显示结果，如第二个屏幕截图所示。

我对CTE和嵌套查询不是很熟悉。我希望你们能理解我的问题。

Answer 1

您可以在下面尝试-

declare @nodeid int = '1';
with cte as ( 
select  cust_ID, name,null lnode, null rnode from  user_detail where 
cust_ID = @nodeid 

union all select t.cust_ID,t.name, ISNULL(cte.lnode, CASE WHEN t.joinside = 
0 THEN 1 ELSE 0 END) 
lnode, ISNULL(cte.rnode, CASE WHEN t.joinside = 1 THEN 1 ELSE 0 END) 
rnode from  user_detail t inner join cte on cte.cust_ID = t.parentid )

select cust_ID,name,status from cte c
inner join installment i on c.cust_id=i.cust_id
where rnode='0' 
option (maxrecursion 0)

Answer 2

最后，您可以加入wvery table

select 
    cust_ID, name ,Table.status
from cte 
Join Table on Table. cust_ID  = cte.cust_ID 
where 
  rnode = '0'