sql文、クエリー期間のデータ
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select * from ht_invoice_information where WEEKOFYEAR(create_date)=WEEKOFYEAR(NOW());
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select * from ht_invoice_information where create_date>=date_add(now(),interval -(8 + weekday(now())) day)
and create_date<=date_add(now(),interval -(1 + weekday(now())) day);
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select * from `ht_invoice_information` where WEEKOFYEAR(create_date)=WEEKOFYEAR(DATE_SUB(now(),INTERVAL 1 week));
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select * from ht_invoice_information where MONTH(create_date)=MONTH(NOW()) and year(create_date)=year(now());
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select * from ht_invoice_information where create_date<=last_day(date_add(now(),interval -1 MONTH))
and create_date>=DATE_FORMAT(concat(extract(year_month from date_add(now(),interval -1 MONTH)),'01'),'%Y-%m-%d');
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select * from `ht_invoice_information` where MONTH(create_date)=MONTH(DATE_SUB(NOW(),interval 1 month))
and year(create_date)=year(now());
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select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
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select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
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select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
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select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));MySQL
DAYOFWEEK(date)
date (1= ,2= ,……7= ,ODBC )
mysql> select DAYOFWEEK('1998-02-03');
-> 3
WEEKDAY(date)
date (0= ,1= ,……6= )。
mysql> select WEEKDAY('1997-10-04 22:23:00');
-> 5
mysql> select WEEKDAY('1997-11-05');
-> 2
DAYOFMONTH(date)
date ( 1 31 )
mysql> select DAYOFMONTH('1998-02-03');
-> 3
DAYOFYEAR(date)
date ( 1 366 )
mysql> select DAYOFYEAR('1998-02-03');
-> 34
MONTH(date)
date
mysql> select MONTH('1998-02-03');
-> 2
DAYNAME(date)
date ( )
mysql> select DAYNAME("1998-02-05");
-> 'Thursday'
MONTHNAME(date)
date ( )
mysql> select MONTHNAME("1998-02-05");
-> 'February'
QUARTER(date)
date
mysql> select QUARTER('98-04-01');
-> 2
WEEK(date,first)
date (first 0,first 1 ,0 )
mysql> select WEEK('1998-02-20');
-> 7
mysql> select WEEK('1998-02-20',0);
-> 7
mysql> select WEEK('1998-02-20',1);
-> 8
YEAR(date)
date ( 1000 9999)
mysql> select YEAR('98-02-03');
-> 1998
HOUR(time)
time ( 0 23)
mysql> select HOUR('10:05:03');
-> 10
MINUTE(time)
time ( 0 59)
mysql> select MINUTE('98-02-03 10:05:03');
-> 5
SECOND(time)
time ( 0 59)
mysql> select SECOND('10:05:03');
-> 3
PERIOD_ADD(P,N)
N P (P YYMM YYYYMM)
mysql> select PERIOD_ADD(9801,2);
-> 199803
PERIOD_DIFF(P1,P2)
P1 P2 (P1 P2 YYMM YYYYMM)
mysql> select PERIOD_DIFF(9802,199703);
-> 11
DATE_ADD(date,INTERVAL expr type)
DATE_SUB(date,INTERVAL expr type)
ADDDATE(date,INTERVAL expr type)
SUBDATE(date,INTERVAL expr type)
(ADDDATE() SUBDATE() DATE_ADD() DATE_SUB() , -
date DATETIME DATE ,expr date type expr
[type expr ]:
SECOND SECONDS
MINUTE MINUTES
HOUR HOURS
DAY DAYS
MONTH MONTHS
YEAR YEARS
MINUTE_SECOND "MINUTES:SECONDS"
HOUR_MINUTE "HOURS:MINUTES"
DAY_HOUR "DAYS HOURS"
YEAR_MONTH "YEARS-MONTHS"
HOUR_SECOND , ， "HOURS:MINUTES:SECONDS"
DAY_MINUTE , , "DAYS HOURS:MINUTES"
DAY_SECOND , , , "DAYS HOURS:MINUTES:SECONDS"
expr , DATE DATE , DATETIME )
type , MySQL ,DAY_SECOND MINUTE_SECOND)
MONTH、YEAR_MONTH YEAR, )
mysql> SELECT "1997-12-31 23:59:59" INTERVAL 1 SECOND;
-> 1998-01-01 00:00:00
mysql> SELECT INTERVAL 1 DAY "1997-12-31";
-> 1998-01-01
mysql> SELECT "1998-01-01" - INTERVAL 1 SECOND;
-> 1997-12-31 23:59:59
mysql> SELECT DATE_ADD("1997-12-31 23:59:59",INTERVAL 1 SECOND);
-> 1998-01-01 00:00:00
mysql> SELECT DATE_ADD("1997-12-31 23:59:59",INTERVAL 1 DAY);
-> 1998-01-01 23:59:59
mysql> SELECT DATE_ADD("1997-12-31 23:59:59",INTERVAL "1:1" MINUTE_SECOND);
-> 1998-01-01 00:01:00
mysql> SELECT DATE_SUB("1998-01-01 00:00:00",INTERVAL "1 1:1:1" DAY_SECOND);
-> 1997-12-30 22:58:59
mysql> SELECT DATE_ADD("1998-01-01 00:00:00", INTERVAL "-1 10" DAY_HOUR);
-> 1997-12-30 14:00:00
mysql> SELECT DATE_SUB("1998-01-02", INTERVAL 31 DAY);
-> 1997-12-02
mysql> SELECT EXTRACT(YEAR FROM "1999-07-02");
-> 1999
mysql> SELECT EXTRACT(YEAR_MONTH FROM "1999-07-02 01:02:03");
-> 199907
mysql> SELECT EXTRACT(DAY_MINUTE FROM "1999-07-02 01:02:03");
-> 20102
TO_DAYS(date)
date 0 ( 1582 )
mysql> select TO_DAYS(950501);
-> 728779
mysql> select TO_DAYS('1997-10-07');
-> 729669
FROM_DAYS(N)
0 DATE ( 1582 )
mysql> select FROM_DAYS(729669);
-> '1997-10-07'
DATE_FORMAT(date,format)
format date
( format :
%M (January……December)
%W (Sunday……Saturday)
%D (1st, 2nd, 3rd, 。）
%Y , , 4
%y , , 2
%a (Sun……Sat)
%d , (00……31)
%e , (0……31)
%m , (01……12)
%c , (1……12)
%b (Jan……Dec)
%j (001……366)
%H (00……23)
%k (0……23)
%h (01……12)
%I (01……12)
%l (1……12)
%i , (00……59)
%r ,12 (hh:mm:ss [AP]M)
%T ,24 (hh:mm:ss)
%S (00……59)
%s (00……59)
%p AM PM
%w (0=Sunday ……6=Saturday ）
%U (0……52),
%u (0……52),
%% % )
mysql> select DATE_FORMAT('1997-10-04 22:23:00','%W %M %Y');
-> 'Saturday October 1997'
mysql> select DATE_FORMAT('1997-10-04 22:23:00','%H:%i:%s');
-> '22:23:00'
mysql> select DATE_FORMAT('1997-10-04 22:23:00','%D %y %a %d %m %b %j');
-> '4th 97 Sat 04 10 Oct 277'
mysql> select DATE_FORMAT('1997-10-04 22:23:00','%H %k %I %r %T %S %w');
-> '22 22 10 10:23:00 PM 22:23:00 00 6'
TIME_FORMAT(time,format)
DATE_FORMAT() , TIME_FORMAT 、 ( NULL 0)
CURDATE()
CURRENT_DATE()
'YYYY-MM-DD' YYYYMMDD ( )
mysql> select CURDATE();
-> '1997-12-15'
mysql> select CURDATE() 0;
-> 19971215
CURTIME()
CURRENT_TIME()
'HH:MM:SS' HHMMSS ( )
mysql> select CURTIME();
-> '23:50:26'
mysql> select CURTIME() 0;
-> 235026
NOW()
SYSDATE()
CURRENT_TIMESTAMP()
'YYYY-MM-DD HH:MM:SS' YYYYMMDDHHMMSS ( )
mysql> select NOW();
-> '1997-12-15 23:50:26'
mysql> select NOW() 0;
-> 19971215235026
UNIX_TIMESTAMP()
UNIX_TIMESTAMP(date)
Unix ( '1970-01-01 00:00:00'GMT ,date )
mysql> select UNIX_TIMESTAMP();
-> 882226357
mysql> select UNIX_TIMESTAMP('1997-10-04 22:23:00');
-> 875996580
FROM_UNIXTIME(unix_timestamp)
'YYYY-MM-DD HH:MM:SS' YYYYMMDDHHMMSS ( )
mysql> select FROM_UNIXTIME(875996580);
-> '1997-10-04 22:23:00'
mysql> select FROM_UNIXTIME(875996580) 0;
-> 19971004222300
FROM_UNIXTIME(unix_timestamp,format)
format
mysql> select FROM_UNIXTIME(UNIX_TIMESTAMP(),'%Y %D %M %h:%i:%s %x');
-> '1997 23rd December 03:43:30 x'
SEC_TO_TIME(seconds)
'HH:MM:SS' HHMMSS TIME ( )
mysql> select SEC_TO_TIME(2378);
-> '00:39:38'
mysql> select SEC_TO_TIME(2378) 0;
-> 3938
TIME_TO_SEC(time)
time
mysql> select TIME_TO_SEC('22:23:00');
-> 80580
mysql> select TIME_TO_SEC('00:39:38');
-> 2378
------ --------------------
mysql 24 、
where visittime >= NOW() - interval 1 hour;
、
where visittime between CURDATE()-interval 1 day and CURDATE();
7 、
where visittime between CURDATE()-interval 7 day ;
、
where week(visittime)= week(CURDATE()-interval 7 day )
and year(visittime)=year(CURDATE()-interval 7 day )
30 、
where visittime between CURDATE()-interval 30 day ;
？
where DATE_FORMAT(visittime,'%Y%m')=DATE_FORMAT(CURDATE()-interval 1 month,'%Y%m')