func_time.result

来自「视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.」· RESULT 代码 · 共 1,265 行 · 第 1/4 页

2003-01-02 01:01:00
select date_add(date,INTERVAL "1:1" DAY_HOUR) from t1;
date_add(date,INTERVAL "1:1" DAY_HOUR)
2003-01-03 01:00:00
select date_add(date,INTERVAL "1 1" YEAR_MONTH) from t1;
date_add(date,INTERVAL "1 1" YEAR_MONTH)
2004-02-02
select date_add(date,INTERVAL "1:1:1" HOUR_SECOND) from t1;
date_add(date,INTERVAL "1:1:1" HOUR_SECOND)
2003-01-02 01:01:01
select date_add(date,INTERVAL "1 1:1" DAY_MINUTE) from t1;
date_add(date,INTERVAL "1 1:1" DAY_MINUTE)
2003-01-03 01:01:00
select date_add(date,INTERVAL "1 1:1:1" DAY_SECOND) from t1;
date_add(date,INTERVAL "1 1:1:1" DAY_SECOND)
2003-01-03 01:01:01
select date_add(date,INTERVAL "1" WEEK) from t1;
date_add(date,INTERVAL "1" WEEK)
2003-01-09
select date_add(date,INTERVAL "1" QUARTER) from t1;
date_add(date,INTERVAL "1" QUARTER)
2003-04-02
select timestampadd(MINUTE, 1, date) from t1;
timestampadd(MINUTE, 1, date)
2003-01-02 00:01:00
select timestampadd(WEEK, 1, date) from t1;
timestampadd(WEEK, 1, date)
2003-01-09
select timestampadd(SQL_TSI_SECOND, 1, date) from t1;
timestampadd(SQL_TSI_SECOND, 1, date)
2003-01-02 00:00:01
select timestampadd(SQL_TSI_FRAC_SECOND, 1, date) from t1;
timestampadd(SQL_TSI_FRAC_SECOND, 1, date)
2003-01-02 00:00:00.000001
select timestampdiff(MONTH, '2001-02-01', '2001-05-01') as a;
a
3
select timestampdiff(YEAR, '2002-05-01', '2001-01-01') as a;
a
-1
select timestampdiff(QUARTER, '2002-05-01', '2001-01-01') as a;
a
-5
select timestampdiff(MONTH, '2000-03-28', '2000-02-29') as a;
a
0
select timestampdiff(MONTH, '1991-03-28', '2000-02-29') as a;
a
107
select timestampdiff(SQL_TSI_WEEK, '2001-02-01', '2001-05-01') as a;
a
12
select timestampdiff(SQL_TSI_HOUR, '2001-02-01', '2001-05-01') as a;
a
2136
select timestampdiff(SQL_TSI_DAY, '2001-02-01', '2001-05-01') as a;
a
89
select timestampdiff(SQL_TSI_MINUTE, '2001-02-01 12:59:59', '2001-05-01 12:58:59') as a;
a
128159
select timestampdiff(SQL_TSI_SECOND, '2001-02-01 12:59:59', '2001-05-01 12:58:58') as a;
a
7689539
select timestampdiff(SQL_TSI_FRAC_SECOND, '2001-02-01 12:59:59.120000', '2001-05-01 12:58:58.119999') as a;
a
7689538999999
select timestampdiff(SQL_TSI_DAY, '1986-02-01', '1986-03-01') as a1,
timestampdiff(SQL_TSI_DAY, '1900-02-01', '1900-03-01') as a2,
timestampdiff(SQL_TSI_DAY, '1996-02-01', '1996-03-01') as a3,
timestampdiff(SQL_TSI_DAY, '2000-02-01', '2000-03-01') as a4;
a1	a2	a3	a4
28	28	29	29
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:27');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:27')
0
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:28');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:28')
1
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:29');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-11 14:30:29')
1
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:27');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:27')
1
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:28');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:28')
2
SELECT TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:29');
TIMESTAMPDIFF(day,'2006-01-10 14:30:28','2006-01-12 14:30:29')
2
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:27');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:27')
0
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:28');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:28')
1
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:29');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-17 14:30:29')
1
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:27');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:27')
1
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:28');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:28')
2
SELECT TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:29');
TIMESTAMPDIFF(week,'2006-01-10 14:30:28','2006-01-24 14:30:29')
2
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:27');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:27')
0
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:28');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:28')
1
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:29');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-02-10 14:30:29')
1
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:27');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:27')
1
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:28');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:28')
2
SELECT TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:29');
TIMESTAMPDIFF(month,'2006-01-10 14:30:28','2006-03-10 14:30:29')
2
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:27');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:27')
0
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:28');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:28')
1
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:29');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2007-01-10 14:30:29')
1
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:27');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:27')
1
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:28');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:28')
2
SELECT TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:29');
TIMESTAMPDIFF(year,'2006-01-10 14:30:28','2008-01-10 14:30:29')
2
select date_add(time,INTERVAL 1 SECOND) from t1;
date_add(time,INTERVAL 1 SECOND)
NULL
Warnings:
Warning	1264	Out of range value adjusted for column 'time' at row 1
drop table t1;
select last_day('2000-02-05') as f1, last_day('2002-12-31') as f2,
last_day('2003-03-32') as f3, last_day('2003-04-01') as f4,
last_day('2001-01-01 01:01:01') as f5, last_day(NULL),
last_day('2001-02-12');
f1	f2	f3	f4	f5	last_day(NULL)	last_day('2001-02-12')
2000-02-29	2002-12-31	NULL	2003-04-30	2001-01-31	NULL	2001-02-28
Warnings:
Warning	1292	Truncated incorrect datetime value: '2003-03-32'
create table t1 select last_day('2000-02-05') as a,
from_days(to_days("960101")) as b;
describe t1;
Field	Type	Null	Key	Default	Extra
a	date	NO		0000-00-00	
b	date	YES		NULL	
select * from t1;
a	b
2000-02-29	1996-01-01
drop table t1;
select last_day('2000-02-05') as a,
from_days(to_days("960101")) as b;
a	b
2000-02-29	1996-01-01
select date_add(last_day("1997-12-1"), INTERVAL 1 DAY);
date_add(last_day("1997-12-1"), INTERVAL 1 DAY)
1998-01-01
select length(last_day("1997-12-1"));
length(last_day("1997-12-1"))
10
select last_day("1997-12-1")+0;
last_day("1997-12-1")+0
19971231
select last_day("1997-12-1")+0.0;
last_day("1997-12-1")+0.0
19971231.0
select strcmp(date_sub(localtimestamp(), interval 3 hour), utc_timestamp())=0;
strcmp(date_sub(localtimestamp(), interval 3 hour), utc_timestamp())=0
1
select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%T"), utc_time())=0;
strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%T"), utc_time())=0
1
select strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"), utc_date())=0;
strcmp(date_format(date_sub(localtimestamp(), interval 3 hour),"%Y-%m-%d"), utc_date())=0
1
select strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0;
strcmp(date_format(utc_timestamp(),"%T"), utc_time())=0
1
select strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0;
strcmp(date_format(utc_timestamp(),"%Y-%m-%d"), utc_date())=0
1
select strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0;
strcmp(concat(utc_date(),' ',utc_time()),utc_timestamp())=0
1
explain extended select period_add("9602",-12),period_diff(199505,"9404"),from_days(to_days("960101")),dayofmonth("1997-01-02"), month("1997-01-02"), monthname("1972-03-04"),dayofyear("0000-00-00"),HOUR("1997-03-03 23:03:22"),MINUTE("23:03:22"),SECOND(230322),QUARTER(980303),WEEK("1998-03-03"),yearweek("2000-01-01",1),week(19950101,1),year("98-02-03"),weekday(curdate())-weekday(now()),dayname("1962-03-03"),unix_timestamp(),sec_to_time(time_to_sec("0:30:47")/6.21),curtime(),utc_time(),curdate(),utc_date(),utc_timestamp(),date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w"),from_unixtime(unix_timestamp("1994-03-02 10:11:12")),"1997-12-31 23:59:59" + INTERVAL 1 SECOND,"1998-01-01 00:00:00" - INTERVAL 1 SECOND,INTERVAL 1 DAY + "1997-12-31", extract(YEAR FROM "1999-01-02 10:11:12"),date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select period_add(_latin1'9602',-(12)) AS `period_add("9602",-12)`,period_diff(199505,_latin1'9404') AS `period_diff(199505,"9404")`,from_days(to_days(_latin1'960101')) AS `from_days(to_days("960101"))`,dayofmonth(_latin1'1997-01-02') AS `dayofmonth("1997-01-02")`,month(_latin1'1997-01-02') AS `month("1997-01-02")`,monthname(_latin1'1972-03-04') AS `monthname("1972-03-04")`,dayofyear(_latin1'0000-00-00') AS `dayofyear("0000-00-00")`,hour(_latin1'1997-03-03 23:03:22') AS `HOUR("1997-03-03 23:03:22")`,minute(_latin1'23:03:22') AS `MINUTE("23:03:22")`,second(230322) AS `SECOND(230322)`,quarter(980303) AS `QUARTER(980303)`,week(_latin1'1998-03-03',0) AS `WEEK("1998-03-03")`,yearweek(_latin1'2000-01-01',1) AS `yearweek("2000-01-01",1)`,week(19950101,1) AS `week(19950101,1)`,year(_latin1'98-02-03') AS `year("98-02-03")`,(weekday(curdate()) - weekday(now())) AS `weekday(curdate())-weekday(now())`,dayname(_latin1'1962-03-03') AS `dayname("1962-03-03")`,unix_timestamp() AS `unix_timestamp()`,sec_to_time((time_to_sec(_latin1'0:30:47') / 6.21)) AS `sec_to_time(time_to_sec("0:30:47")/6.21)`,curtime() AS `curtime()`,utc_time() AS `utc_time()`,curdate() AS `curdate()`,utc_date() AS `utc_date()`,utc_timestamp() AS `utc_timestamp()`,date_format(_latin1'1997-01-02 03:04:05',_latin1'%M %W %D %Y %y %m %d %h %i %s %w') AS `date_format("1997-01-02 03:04:05", "%M %W %D %Y %y %m %d %h %i %s %w")`,from_unixtime(unix_timestamp(_latin1'1994-03-02 10:11:12')) AS `from_unixtime(unix_timestamp("1994-03-02 10:11:12"))`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `"1997-12-31 23:59:59" + INTERVAL 1 SECOND`,(_latin1'1998-01-01 00:00:00' - interval 1 second) AS `"1998-01-01 00:00:00" - INTERVAL 1 SECOND`,(_latin1'1997-12-31' + interval 1 day) AS `INTERVAL 1 DAY + "1997-12-31"`,extract(year from _latin1'1999-01-02 10:11:12') AS `extract(YEAR FROM "1999-01-02 10:11:12")`,(_latin1'1997-12-31 23:59:59' + interval 1 second) AS `date_add("1997-12-31 23:59:59",INTERVAL 1 SECOND)`
SET @TMP='2007-08-01 12:22:49';
CREATE TABLE t1 (d DATETIME);
INSERT INTO t1 VALUES ('2007-08-01 12:22:59');
INSERT INTO t1 VALUES ('2007-08-01 12:23:01');
INSERT INTO t1 VALUES ('2007-08-01 12:23:20');
SELECT count(*) FROM t1 WHERE d>FROM_DAYS(TO_DAYS(@TMP)) AND d<=FROM_DAYS(TO_DAYS(@TMP)+1);
count(*)
3
DROP TABLE t1;
select last_day('2005-00-00');
last_day('2005-00-00')
NULL
Warnings:
Warning	1292	Truncated incorrect datetime value: '2005-00-00'
select last_day('2005-00-01');
last_day('2005-00-01')
NULL
Warnings:
Warning	1292	Truncated incorrect datetime value: '2005-00-01'
select last_day('2005-01-00');
last_day('2005-01-00')
NULL
Warnings:
Warning	1292	Truncated incorrect datetime value: '2005-01-00'
select monthname(str_to_date(null, '%m')), monthname(str_to_date(null, '%m')),
monthname(str_to_date(1, '%m')), monthname(str_to_date(0, '%m'));
monthname(str_to_date(null, '%m'))	monthname(str_to_date(null, '%m'))	monthname(str_to_date(1, '%m'))	monthname(str_to_date(0, '%m'))
NULL	NULL	January	NULL
set time_zone='-6:00';
create table t1(a timestamp);
insert into t1 values (19691231190001);
select * from t1;
a
1969-12-31 19:00:01
drop table t1;
create table t1(f1 date, f2 time, f3 datetime);
insert into t1 values ("2006-01-01", "12:01:01", "2006-01-01 12:01:01");
insert into t1 values ("2006-01-02", "12:01:02", "2006-01-02 12:01:02");
select f1 from t1 where f1 between CAST("2006-1-1" as date) and CAST(20060101 as date);
f1
2006-01-01
select f1 from t1 where f1 between cast("2006-1-1" as date) and cast("2006.1.1" as date);
f1
2006-01-01
select f1 from t1 where date(f1) between cast("2006-1-1" as date) and cast("2006.1.1" as date);
f1
2006-01-01
select f2 from t1 where f2 between cast("12:1:2" as time) and cast("12:2:2" as time);
f2
12:01:02
select f2 from t1 where time(f2) between cast("12:1:2" as time) and cast("12:2:2" as time);
f2
12:01:02
select f3 from t1 where f3 between cast("2006-1-1 12:1:1" as datetime) and cast("2006-1-1 12:1:2" as datetime);
f3
2006-01-01 12:01:01
select f3 from t1 where timestamp(f3) between cast("2006-1-1 12:1:1" as datetime) and cast("2006-1-1 12:1:2" as datetime);
f3
2006-01-01 12:01:01
select f1 from t1 where cast("2006-1-1" as date) between f1 and f3;
f1
2006-01-01
select f1 from t1 where cast("2006-1-1" as date) between date(f1) and date(f3);
f1
2006-01-01
select f1 from t1 where cast("2006-1-1" as date) between f1 and cast('zzz' as date);
f1
Warnings:
Warning	1292	Truncated incorrect datetime value: 'zzz'
Warning	1292	Truncated incorrect datetime value: 'zzz'
select f1 from t1 where makedate(2006,1) between date(f1) and date(f3);
f1
2006-01-01
select f1 from t1 where makedate(2006,2) between date(f1) and date(f3);
f1
2006-01-02
drop table t1;
create table t1 select now() - now(), curtime() - curtime(), 
sec_to_time(1) + 0, from_unixtime(1) + 0;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `now() - now()` double(23,6) NOT NULL default '0.000000',
  `curtime() - curtime()` double(23,6) NOT NULL default '0.000000',
  `sec_to_time(1) + 0` double(23,6) default NULL,
  `from_unixtime(1) + 0` double(23,6) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
SELECT SEC_TO_TIME(3300000);
SEC_TO_TIME(3300000)
838:59:59
Warnings:
Warning	1292	Truncated incorrect time value: '3300000'
SELECT SEC_TO_TIME(3300000)+0;
SEC_TO_TIME(3300000)+0
8385959.000000
Warnings:
Warning	1292	Truncated incorrect time value: '3300000'
SELECT SEC_TO_TIME(3600 * 4294967296);
SEC_TO_TIME(3600 * 4294967296)
838:59:59
Warnings:
Warning	1292	Truncated incorrect time value: '15461882265600'
SELECT TIME_TO_SEC('916:40:00');
TIME_TO_SEC('916:40:00')
3020399
Warnings:
Warning	1292	Truncated incorrect time value: '916:40:00'
SELECT ADDTIME('500:00:00', '416:40:00');