2012-10-09 28 views
1

我希望将3分钟步骤(给定开始日期和结束日期)的时间戳记值插入仅有一个时间戳列的表格中。以3分钟的步骤插入时间戳值

我目前从sql server切换到mysql。我会知道如何为SQL中的前一个数据库做到这一点,但我不确定后者。谢谢。

这是我目前(不工作)惨的尝试:

DELIMITER // 
CREATE PROCEDURE test() 
begin 
    declare StartTS TIMESTAMP DEFAULT null; 
    declare EndTS TIMESTAMP DEFAULT null; 

    set StartTS = '2012-01-01 00:00:00'; 
    set EndTS = '2014-01-01 00:00:00'; 

    start transaction; 
     while StartTS < EndTS do 
     insert into timestamps (TimeStampEntry) values (StartTS); 
     SET StartTS = StartTS + INTERVAL 3 MINUTE; 
     end while; 
     commit; 
end 
// 

DELIMITER ; 

call test(); 

PS:

create table TimeStamps (
     Id INTEGER NOT NULL AUTO_INCREMENT, 
     TimeStampEntry DATETIME, 
     primary key (Id) 
    ) 

当前的存储过程:

DELIMITER $$ 

CREATE DEFINER=`root`@`localhost` PROCEDURE `myProc`(IN t1 timestamp, IN t2 timestamp) 
BEGIN 

    WHILE t1 <= t2 DO 
INSERT INTO timestamps (TimeStampEntry) Values (t1) ; 
    SET t1 = DATE_ADD(t1, INTERVAL 180 SECOND); 
    #SET t1 = t1 + INTERVAL 180 SECOND; 
    END WHILE; 
END 

电话:

CALL myProc('2010-01-01 00:00:00', '2014-01-01 00:00:00'); 

回答

3

尝试是这样的:

CREATE PROCEDURE myProc(IN t1 timestamp, IN t2 timestamp) 
BEGIN 

    WHILE t1 <= t2 DO 
INSERT INTO test (ts) Values (t1) ; 
    SET t1 = DATE_ADD(t1, INTERVAL 3 MINUTE); 
    END WHILE; 
END; 


CALL myProc(now(), ADDDATE(NOW(), INTERVAL 15 MINUTE)); 

http://sqlfiddle.com/#!2/5672e/9

或更改线路:

SET StartTS = StartTS + INTERVAL 3 MINUTE; 

SET StartTS = ADDDATE(StartTS, INTERVAL 3 MINUTE); 
+0

优秀,得益于 – cs0815

+0

它的工作原理十岁上下。但是,我似乎得到了奇怪的错误:错误代码:1292.不正确的日期时间值:'2010-03-28 01:00:00'有什么想法? – cs0815

+0

你可以在sqlfiddle重现,所以我可以看看? – Nin