MySQL的YEARWEEK函式以及查詢本週資料

mysql的yearweek函式以及查詢本週資料

mysql 的 yearweek 是獲取年份和週數的乙個函式，函式形式為 yearweek(date[,mode]) 

例如 2010-3-14 ，禮拜天 

www.2cto.com  

select yearweek('2010-3-14') 返回 11 

select yearweek('2010-3-14',1) 返回 10 

其中第二個引數是 mode ，具體指的意思如下：  www.2cto.com  

mode

first day of week

range

week 1 is the first week …

0sunday

0-53

with a sunday in this year

1monday

0-53

with more than 3 days this year

2sunday

1-53

with a sunday in this year

3monday

1-53

with more than 3 days this year

4sunday

0-53

with more than 3 days this year

5monday

0-53

with a monday in this year

6sunday

1-53

with more than 3 days this year

7monday

1-53

with a monday in this year  

查詢當前這週的資料 

select name,submittime from enterprise where yearweek(date_format(submittime,'%y-%m-%d')) = yearweek(now());

查詢上週的資料

select name,submittime from enterprise where yearweek(date_format(submittime,'%y-%m-%d')) = yearweek(now())-1;  

查詢當前月份的資料

select name,submittime from enterprise  where date_format(submittime,'%y-%m')=date_format(now(),'%y-%m')

查詢距離當前現在6個月的資料

select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();

查詢上個月的資料

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 上月最後一天 and 下月第一天;  

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