当组是分层的(组可以包含另一个组)时,如何查询安全组(角色)的所有权限
我有 3 个表:用户、组和权限
以及多对多关系:UserGroups、GroupPermissions。
CREATE TABLE [Users]
(
UserId INT Primary Key
)
CREATE TABLE [Groups]
(
GroupId INT Primary Key
)
CREATE TABLE [UserGroups]
(
UserId INT, GroupId INT
PRIMARY KEY (UserId, GroupId)
)
CREATE TABLE [GroupPermissions]
(
GroupId INT, PermissionId INT
PRIMARY KEY (GroupId, PermissionId)
)
可以使用以下方式查询用户权限:
SELECT GroupPermissions.PermissionId FROM [UserGroups]
INNER JOIN [Groups] ON [UserGroups].GroupId = Groups.GroupId
INNER JOIN [GroupPermissions] ON [Groups].GroupId = [GroupPermissions].GroupId
WHERE UserId = @UserId
问题:
我想添加 GroupGroup,以便组可以包含其他组(例如 Active Directory 中的安全组)。
如何通过userId查询所有用户权限?
I have 3 tables: Users, Groups and Permissions
and many to many relationships: UserGroups, GroupPermissions.
CREATE TABLE [Users]
(
UserId INT Primary Key
)
CREATE TABLE [Groups]
(
GroupId INT Primary Key
)
CREATE TABLE [UserGroups]
(
UserId INT, GroupId INT
PRIMARY KEY (UserId, GroupId)
)
CREATE TABLE [GroupPermissions]
(
GroupId INT, PermissionId INT
PRIMARY KEY (GroupId, PermissionId)
)
User permissions can be queried using:
SELECT GroupPermissions.PermissionId FROM [UserGroups]
INNER JOIN [Groups] ON [UserGroups].GroupId = Groups.GroupId
INNER JOIN [GroupPermissions] ON [Groups].GroupId = [GroupPermissions].GroupId
WHERE UserId = @UserId
THE QUESTION:
I want to add GroupGroups, so that groups could include another groups (like security groups in Active Directory for example).
How do I query all user permissions by userId?
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