【mysql】查询今天、昨天、上月、本月的数据
有时候,我们需要统计数据。比如按月统计、按天统计。使用mysql如下:
按月统计:
select count(1) as 'total' ,sum(platform_share_fee) as 'totalmoney' from tbk_order group by date_format(pay_time, '%Y-%m');

按天统计:
select count(1) as 'total' ,sum(platform_share_fee) as 'totalmoney' , date_format(pay_time, '%Y-%m-%d') as 'pay_time' from tbk_order group by date_format(pay_time, '%Y-%m-%d')

按天,指定范围内统计:
select count(1) as 'total' ,sum(platform_share_fee) as 'totalmoney' , date_format(pay_time, '%Y-%m-%d') as 'pay_time' from tbk_order group by date_format(pay_time, '%Y-%m-%d') HAVING pay_time >= '2022-12-19' and pay_time <= '2022-12-21';

其他:
今天
select * from 表名 where to_days(时间字段名) = to_days(now());
昨天
SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1
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' )
上一月
SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 时间字段名, '%Y%m' ) ) =1
#查询本季度数据
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
#查询上季度数据
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
#查询本年数据
select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
#查询上年数据
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));
查询当前这周的数据
SELECT name,s
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