mysql日期相关
小明 Lv7

DATE_ADD(date,expr,type)

定义和用法

函数向日期添加指定的时间间隔

语法

date 参数是合法的日期表达式。expr 参数是您希望添加的时间间隔。
type 参数可以常用下列值:

Type值
SECOND
MINUTE
HOUR
DAY
WEEK
MONTH
QUARTER
YEAR

TIMESTAMPDIFF(interval,datetime_expr1,datetime_expr2)

定义和用法

Mysql计算两个日期的时间差函数

其结果的单位由interval 参数给出,该参数必须是以下值的其中一个: FRAC_SECONDSECONDMINUTEHOURDAYWEEKMONTHQUARTERYEAR

查询当天、本周,本月,上一个月的数据

  • 今天
    1
    select * from 表名 where to_days(时间字段名) = to_days(now());
  • 昨天
    1
    SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1
  • 近7天
    1
    SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)
  • 近30天
    1
    SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)
  • 本月
    1
    SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )
  • 上一月
    1
    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
    1
    select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
  • 查询上季度数据
    1
    select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
  • 查询本年数据
    1
    select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
  • 查询上年数据
    1
    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
    1
    SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());
  • 查询上周的数据
    1
    SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;
  • 查询上个月的数据
    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    select name,submittime from enterprise where date_format(submittime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m')

    select * from user where DATE_FORMAT(pudate,'%Y%m') = DATE_FORMAT(CURDATE(),'%Y%m') ;

    select * from user where WEEKOFYEAR(FROM_UNIXTIME(pudate,'%y-%m-%d')) = WEEKOFYEAR(now())

    select * from user where MONTH(FROM_UNIXTIME(pudate,'%y-%m-%d')) = MONTH(now())

    select * from user where YEAR(FROM_UNIXTIME(pudate,'%y-%m-%d')) = YEAR(now()) and MONTH(FROM_UNIXTIME(pudate,'%y-%m-%d')) = MONTH(now())

    select * from user where pudate between 上月最后一天 and 下月第一天
  • 查询当前月份的数据
    1
    select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')
  • 查询距离当前现在6个月的数据
    1
    select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();
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  • 本文标题:mysql日期相关
  • 本文作者:小明
  • 创建时间:2019-04-29 11:22:54
  • 本文链接:https://mynamecoder.com/p/3816.html
  • 版权声明:本博客所有文章除特别声明外,均采用 BY-NC-SA 许可协议。转载请注明出处!