tasklist_removeuserfromtasklist.sql

来自「一个采用VS2008+Sql2000开发的任务管理系统」· SQL 代码 · 共 28 行

-- =============================================
-- TaskList_RemoveUserFromTaskList
-- =============================================
-- Removes a user from the list of authorized users for the task list ID specified
IF EXISTS (SELECT name 
	   FROM   sysobjects 
	   WHERE  name = N'TaskList_RemoveUserFromTaskList' 
	   AND 	  type = 'P')
    DROP PROCEDURE TaskList_RemoveUserFromTaskList
GO

CREATE PROCEDURE TaskList_RemoveUserFromTaskList
	@Username VarChar(20),
	@PasswordHash VarChar(50),
	@UserID BigInt,
	@TaskListID BigInt
AS
DECLARE @CurrentUserID BigInt
SET @CurrentUserID = NULL

--Check to make sure that this is a valid user, and that they have manager priviledges
SELECT @CurrentUserID=ID
FROM TaskListUsers 
WHERE Username = @Username AND PasswordHash = @PasswordHash AND IsManager = 1;

IF (@CurrentUserID IS NULL) RETURN 1; --Invalid user

DELETE FROM TaskListAssignments WHERE UserID = @UserID AND TaskListID = @TaskListID