我有2个查询,第一个:
Select Distinct App_Form_Name,Control_Name
From Application_Form_Controls_Management
where Control_Type = 'ASPxGridView'
Order By App_Form_Name, Control_Name
这将返回(例如):
App_Form_Name | Control_Name
Form1 | ControlName1
Form1 | ControlName2
第二个:
Select Distinct App_Form_Name, Right_ID, App_Form_Function_ID
From Application_Form_Controls_Management
where Control_Type = 'ASPxGridView'
Order By App_Form_Name,Right_ID,App_Form_Function_ID
这将返回(例如):
App_Form_Name | Right_ID | App_Form_Function_ID
Form1 | 1 | 1
Form1 | 1 | 2
Form1 | 1 | 3
Form1 | 2 | 1
Form1 | 2 | 1
Form1 | 2 | 1
我想要的是Inner Join
查询,它将返回以下结果:
App_Form_Name | Control_Name | Right_ID | App_Form_Function_ID
Form1 | ControlName1 | 1 | 1
Form1 | ControlName1 | 1 | 2
Form1 | ControlName1 | 1 | 3
Form1 | ControlName1 | 2 | 1
Form1 | ControlName1 | 2 | 2
Form1 | ControlName1 | 2 | 3
Form1 | ControlName2 | 1 | 1
Form1 | ControlName2 | 1 | 2
Form1 | ControlName2 | 1 | 3
Form1 | ControlName2 | 1 | 1
Form1 | ControlName2 | 1 | 2
Form1 | ControlName2 | 1 | 3
谢谢。
答案 0 :(得分:1)
您需要使用查询作为子查询,如下所示:
Select a.App_Form_Name,a.Control_Name, b.Right_ID, b.App_Form_Function_ID
From
(
Select Distinct App_Form_Name,Control_Name From Application_Form_Controls_Management where Control_Type='ASPxGridView'
) a
Inner join (
Select Distinct App_Form_Name,Right_ID,App_Form_Function_ID From
Application_Form_Controls_Management where Control_Type='ASPxGridView'
) b
on a.App_Form_Name = b.App_Form_Name
如果您使用的是SQL Server,还可以受益于cte
这样的结构:
;with cte as (
Select Distinct App_Form_Name,Control_Name From
Application_Form_Controls_Management where Control_Type='ASPxGridView'
),
cte2 as (
Select Distinct App_Form_Name,Right_ID,App_Form_Function_ID From
Application_Form_Controls_Management where Control_Type='ASPxGridView'
)
select cte.App_Form_Name,cte.Control_Name, cte2.Right_ID, cte2.App_Form_Function_ID
from cte
inner join cte2 on cte.App_Form_Name = cte2.App_Form_Name