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SHOW GLOBAL VARIABLES LIKE "%_format%";
Variable_name Value
date_format %d.%m.%Y
datetime_format %Y/%d/%m-%H:%i:%s
default_week_format 0
time_format %H.%i.%s
SHOW SESSION VARIABLES LIKE "%_format%";
Variable_name Value
date_format %d.%m.%Y
datetime_format %Y/%d/%m-%H:%i:%s
default_week_format 0
time_format %H.%i.%s
SET date_format="%d.%m.%Y";
select CAST("01.01.2001" as DATE) as a;
a
01.01.2001
SET datetime_format="%d.%m.%Y %H.%i.%s";
select CAST("01.01.2001 05.12.06" as DATETIME) as a;
a
01.01.2001 05.12.06
SET time_format="%H.%i.%s";
select CAST("05.12.06" as TIME) as a;
a
05.12.06
SET datetime_format="%d.%m.%Y %h:%i:%s %p";
select CAST("01.01.2001 05:12:06AM" as DATETIME) as a;
a
01.01.2001 05:12:06 AM
select CAST("01.01.2001 05:12:06 PM" as DATETIME) as a;
a
01.01.2001 05:12:06 PM
SET time_format="%h:%i:%s %p";
select CAST("05:12:06 AM" as TIME) as a;
a
05:12:06 AM
select CAST("05:12:06.1234PM" as TIME) as a;
a
05:12:06.001234 PM
SET time_format="%h.%i.%s %p";
SET date_format='%d.%m.%y';
SET datetime_format="%d.%m.%y %h.%i.%s %p";
select CAST("12-12-06" as DATE) as a;
a
12.12.06
select adddate("01.01.97 11.59.59.000001 PM", 10);
adddate("01.01.97 11.59.59.000001 PM", 10)
11.01.97 11.59.59.000001 PM
select datediff("31.12.97 11.59:59.000001 PM","01.01.98");
datediff("31.12.97 11.59:59.000001 PM","01.01.98")
-1
select weekofyear("31.11.97 11:59:59.000001 PM");
weekofyear("31.11.97 11:59:59.000001 PM")
49
select makedate(1997,1);
makedate(1997,1)
01.01.97
select addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002");
addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")
02.01.98 01.01.01.000001 AM
select maketime(23,11,12);
maketime(23,11,12)
11.11.12 PM
select timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM");
timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM")
8795.59.59.999999 PM
SET time_format="%H%i%s";
SET time_format="%h%i%s";
ERROR HY000: Unknown error
SET date_format='%d.%m.%d';
ERROR HY000: Unknown error
SET datetime_format="%d.%m.%y %h.%i.%s";
ERROR HY000: Unknown error
SET GLOBAL date_format=default;
SHOW GLOBAL VARIABLES LIKE "date_format%";
Variable_name Value
date_format %d.%m.%Y
SET GLOBAL time_format=default;
SHOW GLOBAL VARIABLES LIKE "time_format%";
Variable_name Value
time_format %H.%i.%s
SET GLOBAL datetime_format=default;
SHOW GLOBAL VARIABLES LIKE "datetime_format%";
Variable_name Value
datetime_format %Y/%d/%m-%H:%i:%s
SET date_format=default;
SHOW SESSION VARIABLES LIKE "date_format%";
Variable_name Value
date_format %d.%m.%Y
SET time_format=default;
SHOW SESSION VARIABLES LIKE "time_format%";
Variable_name Value
time_format %H.%i.%s
SET datetime_format=default;
SHOW SESSION VARIABLES LIKE "datetime_format%";
Variable_name Value
datetime_format %Y/%d/%m-%H:%i:%s
SET time_format='%i:%s:%H';
select cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME);
cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME)
59:59:12
SET GLOBAL date_format='%Y-%m-%d';
SET GLOBAL time_format='%H:%i:%s';
SET GLOBAL datetime_format='%Y-%m-%d %H:%i:%s';
SET date_format='%Y-%m-%d';
SET time_format='%H:%i:%s';
SET datetime_format='%Y-%m-%d %H:%i:%s';
select str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S");
str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S")
2001-01-15 12:59:59
select str_to_date("15 September 2001", "%d %M %Y");
str_to_date("15 September 2001", "%d %M %Y")
2001-09-15 00:00:00
select str_to_date("15 Septembeb 2001", "%d %M %Y");
str_to_date("15 Septembeb 2001", "%d %M %Y")
NULL
select str_to_date("15 MAY 2001", "%d %b %Y");
str_to_date("15 MAY 2001", "%d %b %Y")
2001-05-15 00:00:00
select str_to_date("Sunday 15 MAY 2001", "%W %d %b %Y");
str_to_date("Sunday 15 MAY 2001", "%W %d %b %Y")
2001-05-15 00:00:00
select str_to_date("Sundai 15 MAY 2001", "%W %d %b %Y");
str_to_date("Sundai 15 MAY 2001", "%W %d %b %Y")
NULL
select str_to_date("Sundai 15 MA", "%W %d %b %Y");
str_to_date("Sundai 15 MA", "%W %d %b %Y")
NULL
select str_to_date("Tuesday 52 2001", "%W %V %X");
str_to_date("Tuesday 52 2001", "%W %V %X")
NULL
select str_to_date("Sunday 01 2001", "%W %V %X");
str_to_date("Sunday 01 2001", "%W %V %X")
NULL
select str_to_date("Tuesday 00 2002", "%W %U %Y");
str_to_date("Tuesday 00 2002", "%W %U %Y")
2002-01-01 00:00:00
select str_to_date("Thursday 53 1998", "%W %u %Y");
str_to_date("Thursday 53 1998", "%W %u %Y")
1998-12-31 00:00:00
select str_to_date("15-01-2001", "%d-%m-%Y %H:%i:%S");
str_to_date("15-01-2001", "%d-%m-%Y %H:%i:%S")
2001-01-15 00:00:00
select str_to_date("15-01-20", "%d-%m-%Y");
str_to_date("15-01-20", "%d-%m-%Y")
NULL
select str_to_date("15-2001-1", "%d-%Y-%c");
str_to_date("15-2001-1", "%d-%Y-%c")
2001-01-15 00:00:00
select get_format(DATE, 'USA') as a;
a
%m.%d.%Y
select get_format(TIME, 'internal') as a;
a
%H%i%s
select get_format(DATETIME, 'eur') as a;
a
%Y-%m-%d-%H.%i.%s
explain extended select makedate(1997,1), addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002"),timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM"),cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME), maketime(23,11,12),microsecond("1997-12-31 23:59:59.000001");
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 high_priority makedate(1997,1) AS `makedate(1997,1)`,addtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `addtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,subtime(_latin1'31.12.97 11.59.59.999999 PM',_latin1'31.12.97 11.59.59.999999 PM') AS `subtime("31.12.97 11.59.59.999999 PM", "1 1.1.1.000002")`,timediff(_latin1'01.01.97 11:59:59.000001 PM',_latin1'31.12.95 11:59:59.000002 PM') AS `timediff("01.01.97 11:59:59.000001 PM","31.12.95 11:59:59.000002 PM")`,cast(str_to_date(_latin1'15-01-2001 12:59:59',_latin1'%d-%m-%Y %H:%i:%S') as time) AS `cast(str_to_date("15-01-2001 12:59:59", "%d-%m-%Y %H:%i:%S") as TIME)`,maketime(23,11,12) AS `maketime(23,11,12)`,microsecond(_latin1'1997-12-31 23:59:59.000001') AS `microsecond("1997-12-31 23:59:59.000001")`
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