MYSQL中获取当前Week、Month、Quarter的Start Date(开头日期)/End Date(结尾日期)

当前week的第一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 1 DAY) ;
select DATE_ADD(curdate(), INTERVAL(1-DAYOFWEEK(curdate())) DAY);

当前week的最后一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) - 5 DAY)
select DATE_ADD(curdate(), INTERVAL(7-DAYOFWEEK(curdate())) DAY);

前一week的第一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 8 DAY)

前一week的最后一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 2 DAY)

前两week的第一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 15 DAY)

前两week的最后一天:
select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 9 DAY)

当前month的第一天:
SELECT concat(date_format(LAST_DAY(now()),'%Y-%m-'),'01')

当前month的最后一天:
SELECT LAST_DAY(now())

前一month的第一天:
SELECT concat(date_format(LAST_DAY(now() - interval 1 month),'%Y-%m-'),'01')

前一month的最后一天:
SELECT LAST_DAY(now() - interval 1 month)

前两month的第一天:
SELECT concat(date_format(LAST_DAY(now() - interval 2 month),'%Y-%m-'),'01')

前两month的最后一天:
SELECT LAST_DAY(now() - interval 2 month)

当前quarter的第一天:
select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-3 month),'%Y-%m-'),'01')

当前quarter的最后一天:
select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-1 month)

前一quarter的第一天:
select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-6 month),'%Y-%m-'),'01')

前一quarter的最后一天:
select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-4 month)

前两quarter的第一天:
select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-9 month),'%Y-%m-'),'01')

前两quarter的最后一天:
select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-7 month)

 

转载自:http://hi.baidu.com/olsonlowey/blog/item/1ea03664751f7ff8f73654c2.html

 

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