优化存储过程

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go


-- =============================================
-- Author:        ylem
-- Create date: 2010-04-15
-- Description:    N天老队销售未跟进的客户
-- =============================================
ALTER PROCEDURE [dbo].[Proc_GetCustomerIDByNoAwoke]
    @orgId int --分公司ID
AS
BEGIN

    declare @strDay varchar(32)
    select @strDay = settingvalue from SystemSettings where OrganizationID=@orgId and SettingKey=25
    if(@strDay is not null)
    begin
        declare @day int
        set @day=cast(@strDay as int)
        create table #tmpCompanyIDs
        (
            CompanyID uniqueidentifier PRIMARY KEY,
            TrackTime datetime
        )
        insert into #tmpCompanyIDs
        select t.CompanyID, max(TrackTime) TrackTime
        from CompanyTrack t
            join CompanyExtension ce on ce.CompanyID = t.CompanyID
        where ce.OrganizationID = 1 and CE.AssignState = 2
        group by t.CompanyID

        select  comp.CompanyID
        from company as comp
        join #tmpCompanyIDs tc on tc.companyid=comp.companyid
        inner join SystemUser su on comp.SalesID=su.ID
        inner join Department dep on dep.DeptID=su.DeptID
        inner join UserSetting using on using.userID=su.ID
        where dep.departmentType=2 and using.AllocationFlag=0
        and  comp.DelStatus = 1 AND comp.[Status] = 1  AND comp.IsGroup = 1
        and tc.TrackTime<dateadd(day, 1 - @day, getdate())

    end
end
-- exec Proc_GetCustomerIDByNoAwoke 1