游标的使用

declare @Id uniqueidentifier
declare @UserId uniqueidentifier
declare @DepartmentName nvarchar(128)
declare @DepartmentId uniqueidentifier
declare @departmentCount int
declare cursor1 cursor for select Id from PersonSummary        --定义游标cursor1


open cursor1    

fetch next from cursor1 into @Id


while @@fetch_status=0           --判断是否成功获取数据
begin

select @UserId=userId from PersonSummary where id=@Id
select @departmentCount=COUNT(*) from PersonSummaryDepartment where PersonSummaryId=@Id
if (@departmentCount <1)
    begin
        insert into PersonSummaryDepartment(PersonSummaryId,DepartmentId,DepartmentName)
        select @id,a.DepartmentId,b.Name from [RSGPMS] .dbo.DepartmentUserRef a,[RSGPMS] .dbo.Department b where  a.UserId=@UserId and a.DepartmentId = b.Id

    end
fetch next from cursor1 into @Id  --将游标向下移1行
end

close cursor1                   --关闭游标
deallocate cursor1