获取SQL 执行时间 、日期与长整型换转

 create PROCEDURE pr_get_int64_system_time
AS
set nocount on
 BEGIN
  SELECT system_time = CONVERT(BIGINT,DATEDIFF(S,'1970-01-01 08:00:00.000',GETDATE()))*1000+DATEPART(MS,GETDATE());
 END
set nocount off
GO
create PROCEDURE pr_gk_display_64time
 @millisecond BIGINT
AS
set nocount on
 DECLARE @second BIGINT , @now DATETIME
 BEGIN
  SET @second = @millisecond / 1000
  SET @millisecond = @millisecond % 1000
  SET @now = DATEADD(S, @second,'1970-01-01 08:00:00.000'); 
  SET @now = DATEADD(Ms, @millisecond, @now); 
  print CONVERT(VARCHAR(50),@now,21);
 END
set nocount off
GO
Create PROCEDURE pr_get_run_time
 @SQL NVARCHAR(MAX)
as
set nocount on
 BEGIN
  declare @now_date datetime
  declare @run_ms bigint
   set @now_date=GETDATE();
   EXEC SP_EXECUTESQL @SQL;
   SELECT @run_ms=DATEDIFF(MS,@now_date,GETDATE())
   print @run_ms
 END 
set nocount off 

 

---每个月的起止日期

declare @startdate datetime,@enddate datetime
set @startdate=dateadd(mm,datediff(mm,0,getdate()),0)
set @enddate=dateadd(ms,-2,DATEADD(mm, DATEDIFF(m,0,getdate())+1, 0))
select convert(varchar(10),dateadd(day,number,@startdate),120) as col
from master..spt_values 
where datediff(day,dateadd(day,number,@startdate), @enddate)>=0 and number>=0 and type='p'

 --一年内的所有周的起止日期

set datefirst 7--设置每周的起始日期为 周末（美国（数据库）默认）
;with ach as
(
    select dateadd(dd,number,cast(ltrim(year(getdate()))+'-01-01' as datetime)) date
    from master..spt_values
    where [type] = 'p' and number between 0 and 400
),cte as
(
    select *
    from ach
    where year(date) = year(getdate())
)

select top 10 datepart(wk,date) as wk,min(date) mindate,max(date) maxdate
from cte
group by datepart(wk,date)

 

--

--本周第一天   
SELECT DATEADD(Day,1-(DATEPART(Weekday,getdate())+@@DATEFIRST-1)%7,getdate())  
--or   
select dateadd(wk, datediff(wk,0,getdate()), 0)  
--本周第一天   
select dateadd(wk, datediff(wk,0,getdate()), 6)  
  
--上月第一天   
SELECT CONVERT(CHAR(10),DATEADD(month,-1,DATEADD(dd,-DAY(GETDATE())+1,GETDATE())),111) 
--上月最后一天   
SELECT CONVERT(CHAR(10),DATEADD(ms,-3,DATEADD(mm, DATEDIFF(mm,0,getdate()),0)),111)+' 23:59:59' 
--本月第一天   
select dateadd(dd,-datepart(dd,getdate())+1,getdate())  
--本月最后一天   
select dateadd(dd,-datepart(dd,getdate()) ,dateadd(mm,1,getdate()))  
--本月天数   
select datediff(dd,dateadd(dd,-datepart(dd,getdate())+1,getdate()), dateadd(dd,-datepart(dd,getdate())+1,dateadd(mm,1,getdate()))) 
--or   
select datepart(dd,dateadd(dd,-1,dateadd(mm,1,cast(cast(year(getdate()) as varchar)+'-'+cast(month(getdate()) as varchar)+'-01' as datetime)))) 
  
--下月第一天   
select dateadd(dd,-datepart(dd,getdate())+1,dateadd(mm,1,getdate()))  
--下月最后一天   
SELECT CONVERT(CHAR(10),DATEADD(ms,-3,DATEADD(mm,DATEDIFF(m,0,getdate())+2,0)),111)+' 23:59:59' 
--季度第一天   
SELECT   DATEADD(qq,   DATEDIFF(qq,0,getdate()),   0)   
--季度最后一天（直接推算法）   
SELECT DATEADD(Day,-1,CONVERT(char(8),DATEADD(Month,1+DATEPART(Quarter,getdate())*3-Month(getdate()),getdate()),120)+'1') 
--季度的最后一天（CASE判断法）   
select DATEADD(Month,DATEPART(Quarter,getdate())*3-Month(getdate()),getdate())  
  
--本月第一个星期一   
SELECT DATEADD(wk, DATEDIFF(wk, '', DATEADD(dd, 6 - DAY(getdate()), getdate())), '')  
--去年最后一天   
SELECT   dateadd(ms,-3,DATEADD(yy, DATEDIFF(yy,0,getdate()), 0))   
--今年第一天   
SELECT   DATEADD(yy,   DATEDIFF(yy,0,getdate()),   0)   
--今年最后一天   
SELECT  dateadd(ms,-3,DATEADD(yy, DATEDIFF(yy,0,getdate())+1,0))  
  
--指定日期所在周的任意一天   
SELECT DATEADD(Day,@number-DATEPART(Weekday,@dt),@dt)--5．指定日期所在周的任意星期几   
--A.  星期天做为一周的第1天   
SELECT DATEADD(Day,@number-(DATEPART(Weekday,@dt)+@@DATEFIRST-1)%7,@dt)  
--B.  星期一做为一周的第1天   
SELECT DATEADD(Day,@number-(DATEPART(Weekday,@dt)+@@DATEFIRST-2)%7-1,@dt)  
---周内的第几日   
select datepart(weekday,getdate()) as 周内的第几日  
--年内的第几周   
select datepart(week,getdate()) as 年内的第几周  
--年内的第几季   
select datepart(quarter,getdate()) as 年内的第几季  
  
  
--判断某天是当月的第几周的sql函数    
CREATE   FUNCTION   WeekOfMonth(@day datetime)     
RETURNS int  
AS   
begin  
  
----declare @day datetime   
declare @num int  
declare @Start datetime  
declare @dd int  
declare @dayofweek char(8)  
declare @dayofweek_num char(8)  
declare @startWeekDays int  
---set @day='2009-07-05'   
if datepart(dd,@day)=1  
return 1  
else  
set @Start= (SELECT   DATEADD(mm,   DATEDIFF(mm,0,@day),   0)) --一个月第一天的   
set @dayofweek= (datename(weekday,@Start)) ---得到本月第一天是周几   
set @dayofweek_num=(select (case @dayofweek when '星期一' then 2  
when '星期二' then 3  
when '星期三' then 4  
when '星期四' then 5  
when '星期五' then 6  
when '星期六' then 7  
when '星期日' then 1  
end))  
set @dayofweek_num= 7-@dayofweek_num+1 ---得到本月的第一周一共有几天  
---print @dayofweek_num   
   set @dd=datepart(dd,@day) ----得到今天是这个月的第几天   
--print @dd   
if @dd<=@dayofweek_num --小于前一周的天数   
return 1  
else   
set @dd=@dd-@dayofweek_num  
if @dd % 7=0  
     begin  
       set @num=@dd / 7  
        return @num+1  
         
     end  
   else --if @dd % 7<>0   
     
     set @num=@dd / 7  
set @num=@num+1+1  
       return @num  
end