MySQL按时间点、时间段查询

某个场景下需要查询某一天的数据,例如2017/9/27这一天所有的数据量,有以下几个方法。
 

SELECT * FROM cms_book_statistics WHERE substring(Convert(char(10),update_time ,112),1,8)='20170927' 

SELECT * FROM cms_book_statistics WHERE update_time between '2017-09-27 00:00:00' and '2017-09-27 23:59:59' 

SELECT * FROM cms_book_statistics WHERE year(update_time ) = 2017 and month(update_time )= 09 and day(update_time ) = 27

SELECT * FROM cms_book_statistics WHERE update_time > '2017-09-27' and update_time < '2017-09-28'

SELECT * FROM cms_book_statistics WHERE ( datediff ( update_time , '2017-09-27' ) = 0 )

另外
 

#今天

select * from 表名 where to_days(时间字段名) = to_days(now());

#昨天

SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())=-1;

#本周

SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());

#上周

SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;

#近7天

SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)

#近30天

SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)

#本月

SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )

#上一个月

SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 时间字段名, '%Y%m' ) ) =1

#本季度

select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());

#上季度

select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));

#本年

select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());

#去年

select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));

猜你喜欢

转载自blog.csdn.net/weixin_40096730/article/details/89471907