#
# Test of date format functions
#

#
# Test of str_to_date
#

select str_to_date(concat('15-01-2001',' 2:59:58.999'),
	           concat('%d-%m-%Y',' ','%H:%i:%s.%f')) as exp;
select STR_TO_DATE('2004.12.12 22.30.61','%Y.%m.%d %T') as exp;

create table t1 (date char(30), format char(30) not null);
insert into t1 values
('2003-01-02 10:11:12', '%Y-%m-%d %H:%i:%S'),
('03-01-02 8:11:2.123456', '%y-%m-%d %H:%i:%S.%#'),
('0003-01-02 8:11:2.123456', '%Y-%m-%d %H:%i:%S.%#'),
('03-01-02 8:11:2.123456',   '%Y-%m-%d %H:%i:%S.%#'),
('2003-01-02 10:11:12 PM', '%Y-%m-%d %h:%i:%S %p'),
('2003-01-02 01:11:12.12345AM', '%Y-%m-%d %h:%i:%S.%f%p'),
('2003-01-02 02:11:12.12345AM', '%Y-%m-%d %h:%i:%S.%f %p'),
('2003-01-02 12:11:12.12345 am', '%Y-%m-%d %h:%i:%S.%f%p'),
('2003-01-02 11:11:12Pm', '%Y-%m-%d %h:%i:%S%p'),
('10:20:10', '%H:%i:%s'),
('10:20:10', '%h:%i:%s.%f'),
('10:20:10', '%T'),
('10:20:10AM', '%h:%i:%s%p'),
('10:20:10AM', '%r'),
('10:20:10.44AM', '%h:%i:%s.%f%p'),
('15-01-2001 12:59:58', '%d-%m-%Y %H:%i:%S'),
('15 September 2001', '%d %M %Y'),
('15 SEPTEMB 2001', '%d %M %Y'),
('15 MAY 2001', '%d %b %Y'),
('15th May 2001', '%D %b %Y'),
('Sunday 15 MAY 2001', '%W %d %b %Y'),
('Sund 15 MAY 2001', '%W %d %b %Y'),
('Tuesday 00 2002', '%W %U %Y'),
('Thursday 53 1998', '%W %u %Y'),
('Sunday 01 2001', '%W %v %x'),
('Tuesday 52 2001', '%W %V %X'),
('060 2004', '%j %Y'),
('4 53 1998', '%w %u %Y'),
('15-01-2001', '%d-%m-%Y %H:%i:%S'),
('15-01-20', '%d-%m-%y'),
('15-2001-1', '%d-%Y-%c');

select date,format,str_to_date(date, format) as str_to_date from t1;
# Use as a string
select date,format,concat('',str_to_date(date, format)) as con from t1;
# Use as datetime
select date,format,cast(str_to_date(date, format) as datetime) as datetime from t1;
select date,format,DATE(str_to_date(date, format)) as date2 from t1;
select date,format,TIME(str_to_date(date, format)) as time from t1;
select date,format,concat(TIME(str_to_date(date, format))) as time2 from t1;
# Test small bug in %f handling
select concat('',str_to_date('8:11:2.123456 03-01-02','%H:%i:%S.%f %y-%m-%d')) as exp;

# Test wrong dates or converion specifiers

truncate table t1;
insert into t1 values
('2003-01-02 10:11:12 PM', '%Y-%m-%d %H:%i:%S %p'),
('2003-01-02 10:11:12.123456', '%Y-%m-%d %h:%i:%S %p'),
('2003-01-02 10:11:12AM', '%Y-%m-%d %h:%i:%S.%f %p'),
('2003-01-02 10:11:12AN', '%Y-%m-%d %h:%i:%S%p'),
('2003-01-02 10:11:12 PM', '%y-%m-%d %H:%i:%S %p'),
('10:20:10AM', '%H:%i:%s%p'),
('15 Septembei 2001', '%d %M %Y'),
('15 Ju 2001', '%d %M %Y'),
('Sund 15 MA', '%W %d %b %Y'),
('Thursdai 12 1998', '%W %u %Y'),
('Sunday 01 2001', '%W %v %X'),
('Tuesday 52 2001', '%W %V %x'),
('Tuesday 52 2001', '%W %V %Y'),
('Tuesday 52 2001', '%W %u %x'),
('7 53 1998', '%w %u %Y'),
(NULL, get_format(DATE,'USA'));
select date,format,str_to_date(date, format) as str_to_date from t1;
select date,format,concat(str_to_date(date, format),'') as con from t1;

# Test 'maybe' date formats and 'strange but correct' results

truncate table t1;
insert into t1 values
('10:20:10AM', '%h:%i:%s'),
('2003-01-02 10:11:12', '%Y-%m-%d %h:%i:%S'),
('03-01-02 10:11:12 PM', '%Y-%m-%d %h:%i:%S %p');

select date,format,str_to_date(date, format) as str_to_date from t1;
select date,format,concat(str_to_date(date, format),'') as con from t1;

drop table t1;

#
# Test of get_format
#

select get_format(DATE, 'USA') as a;
select get_format(TIME, 'internal') as a;
select get_format(DATETIME, 'eur') as a;
select get_format(TIMESTAMP, 'eur') as a;
select get_format(DATE, 'TEST') as a;
select str_to_date('15-01-2001 12:59:59', GET_FORMAT(DATE,'USA'));

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");

#
# Test of date_format()
#

create table t1 (d date);
insert into t1 values ('2004-07-14'),('2005-07-14');
select date_format(d,"%d") from t1 order by 1;
drop table t1;

# PS doesn't support fractional seconds
--disable_ps_protocol
select str_to_date("2003-....01ABCD-02 10:11:12.0012", "%Y-%.%m%@-%d %H:%i:%S.%f") as a;


create table t1 select str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f") as f1,
			str_to_date("10:11:12.0012", "%H:%i:%S.%f") as f2,
			str_to_date("2003-01-02", "%Y-%m-%d") as f3,
			str_to_date("02", "%d") as f4, str_to_date("02 10", "%d %H") as f5;
describe t1;
select * from t1;
drop table t1;

create table t1 select "02 10" as a, "%d %H" as b;
select str_to_date(a,b) from t1;
create table t2 select str_to_date(a,b) from t1;
describe t2;
select str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S.%f") as f1,
       str_to_date("2003-01-02 10:11:12.0012", "%Y-%m-%d %H:%i:%S") as f2,
       str_to_date("2003-01-02", "%Y-%m-%d") as f3,
       str_to_date("02 10:11:12", "%d %H:%i:%S.%f") as f4,
       str_to_date("02 10:11:12", "%d %H:%i:%S") as f5,
       str_to_date("02 10", "%d %f") as f6;
drop table t1, t2;
select str_to_date("2003-01-02 10:11:12.0012ABCD", "%Y-%m-%d %H:%i:%S.%f") as f1,
       addtime("-01:01:01.01 GGG", "-23:59:59.1") as f2,
       microsecond("1997-12-31 23:59:59.01XXXX") as f3;

select str_to_date("2003-04-05  g", "%Y-%m-%d") as f1,
       str_to_date("2003-04-05 10:11:12.101010234567", "%Y-%m-%d %H:%i:%S.%f") as f2;
--enable_ps_protocol

#
# Test of locale dependent date format (WL#2928 Date Translation NRE)
#
set names latin1;
select date_format('2004-01-01','%W (%a), %e %M (%b) %Y');
set lc_time_names=ru_RU;
set names koi8r;
select date_format('2004-01-01','%W (%a), %e %M (%b) %Y');
set lc_time_names=de_DE;
set names latin1;
select date_format('2004-01-01','%W (%a), %e %M (%b) %Y');
set names latin1;
set lc_time_names=en_US;

#
# Bug #14016 
#
create table t1 (f1 datetime);
insert into t1 (f1) values ("2005-01-01");
insert into t1 (f1) values ("2005-02-01");
select date_format(f1, "%m") as d1, date_format(f1, "%M") as d2 from t1 order by date_format(f1, "%M");
drop table t1;

#
# Bug #15828
#
select str_to_date( 1, NULL );
select str_to_date( NULL, 1 );
select str_to_date( 1, IF(1=1,NULL,NULL) );

#
# Bug#11326
# TIME_FORMAT using "%r" returns wrong hour using 24:00:00 in TIME column
#
# This tests that 24:00:00 does not return PM, when it should be AM.
# Some other values are being tested same time.
#

SELECT TIME_FORMAT("24:00:00", '%r');
SELECT TIME_FORMAT("00:00:00", '%r');
SELECT TIME_FORMAT("12:00:00", '%r');
SELECT TIME_FORMAT("15:00:00", '%r');
SELECT TIME_FORMAT("01:00:00", '%r');
SELECT TIME_FORMAT("25:00:00", '%r');

#
# Bug#11324
# TIME_FORMAT using "%l:%i" returns 36:00 with 24:00:00 in TIME column
#
# This tests that 24:00:00 does not change to "36:00 AM". Testing
# some other values same time.
#

SELECT TIME_FORMAT("00:00:00", '%l %p');
SELECT TIME_FORMAT("01:00:00", '%l %p');
SELECT TIME_FORMAT("12:00:00", '%l %p');
SELECT TIME_FORMAT("23:00:00", '%l %p');
SELECT TIME_FORMAT("24:00:00", '%l %p');
SELECT TIME_FORMAT("25:00:00", '%l %p');

#
# Bug#20729:  Bad date_format() call makes mysql server crash
#
SELECT DATE_FORMAT('%Y-%m-%d %H:%i:%s', 1151414896);

#
# Bug #22029: str_to_date returning NULL
#

select str_to_date('04 /30/2004', '%m /%d/%Y');
select str_to_date('04/30 /2004', '%m /%d /%Y');
select str_to_date('04/30/2004 ', '%m/%d/%Y ');

--echo "End of 4.1 tests"

#
# Bug #41470: DATE_FORMAT() crashes the complete server with a valid date
#

# show that these two do not crash the server:
SELECT DATE_FORMAT("0000-01-01",'%W %d %M %Y') as valid_date;
SELECT DATE_FORMAT("0000-02-28",'%W %d %M %Y') as valid_date;
# show that date within the Gregorian range render correct results: (THU)
SELECT DATE_FORMAT("2009-01-01",'%W %d %M %Y') as valid_date;

--echo "End of 5.0 tests"


--echo #
--echo # Start of 5.1 tests
--echo #

--echo #
--echo # Bug#58005 utf8 + get_format causes failed assertion: !str || str != Ptr'
--echo #
SET NAMES utf8;
SELECT LEAST('%', GET_FORMAT(datetime, 'eur'), CAST(GET_FORMAT(datetime, 'eur') AS CHAR(65535))) as exp;
SET NAMES latin1;

--echo #
--echo # End of 5.1 tests
--echo #

#
# TIME_FORMAT and non-time format specifiers
#
select time_format('2001-01-01 02:02:02', '%d.%m.%Y');
select time_format('2001-01-01 02:02:02', '%d %T');
select time_format('01 02:02:02', '%d %T');
select time_format('01 02:02:02', '%T');
select time_format('2001-01-01 02:02:02', '%T');

--echo #
--echo # End of 10.2 test
--echo #

--echo #
--echo # MDEV-31684 Add timezone information to DATE_FORMAT
--echo #

SET @old_timezone= @@time_zone;


--echo # Using named timezones

SET TIME_ZONE='Japan';
SELECT DATE_FORMAT('2009-10-04 22:23:00', '%z %Z') AS current_timezone;

SET @@time_zone='Europe/Moscow';
SELECT DATE_FORMAT('1965-02-17 22:23:00', '%z %Z') AS current_timezone;
SELECT DATE_FORMAT('1965-12-31 22:23:00', '%z %Z') AS current_timezone;
SELECT DATE_FORMAT('1985-06-01', '%z %Z');

--echo # Using positive and negative offset

SET TIME_ZONE= '-05:30';
SELECT DATE_FORMAT('2009-10-04 22:23:00', '%z %Z') AS current_timezone;

SET TIME_ZONE= '+04:30';
SELECT DATE_FORMAT('2009-10-04 22:23:00', '%z %Z') AS current_timezone;


--echo # Using UTC

SET TIME_ZONE='UTC';
SELECT DATE_FORMAT('2009-10-04 22:23:00', '%z %Z') AS current_timezone;

SET @@time_zone= @old_timezone;

--echo # More timezone test:

--echo #
--echo # Check for time zone with leap seconds
--echo #
set time_zone='Europe/Moscow';

SELECT DATE_FORMAT('2023-03-01 01:30:00', '%z %Z');
SELECT DATE_FORMAT('2023-04-01 01:30:00', '%z %Z');

set time_zone='leap/Europe/Moscow';
SELECT DATE_FORMAT('2023-03-01 01:30:00', '%z %Z');
SELECT DATE_FORMAT('2023-04-01 01:30:00', '%z %Z');

--echo #
--echo # Values around and in spring time-gap
--echo #

set time_zone='MET';

--echo # Normal value with DST
SELECT DATE_FORMAT('2003-03-30 01:59:59', '%z %Z');

--echo # Values around and in spring time-gap
SELECT DATE_FORMAT('2023-03-26 01:59:59', '%z %Z');
SELECT DATE_FORMAT('2023-03-26 03:00:00', '%z %Z');


--echo #
--echo # End of 11.3 test
--echo #