create table t1 (y year,y2 year(2));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
insert into t1 values (0,0),(1999,1999),(2000,2000),(2001,2001),(70,70),(69,69);
select * from t1;
y	y2
0000	00
1999	99
2000	00
2001	01
1970	70
2069	69
select * from t1 order by y;
y	y2
0000	00
1970	70
1999	99
2000	00
2001	01
2069	69
select * from t1 order by y2;
y	y2
1970	70
1999	99
0000	00
2000	00
2001	01
2069	69
drop table t1;
#
# Bug 2335
#
create table t1 (y year);
insert ignore into t1 values (now());
Warnings:
Warning	1265	Data truncated for column 'y' at row 1
select if(y = now(), 1, 0) from t1;
if(y = now(), 1, 0)
1
drop table t1;
#
# Bug #27176: Assigning a string to an year column has unexpected results
#
create table t1(a year);
insert into t1 values (2000.5), ('2000.5'), ('2001a'), ('2.001E3');
Warnings:
Warning	1265	Data truncated for column 'a' at row 3
select * from t1;
a
2001
2001
2001
2001
drop table t1;
#
# End of 5.0 tests
#
#
# Bug #49480: WHERE using YEAR columns returns unexpected results
#
CREATE TABLE t2(yy YEAR(2), c2 CHAR(4));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
CREATE TABLE t4(yyyy YEAR(4), c4 CHAR(4));
INSERT INTO t2 (c2) VALUES (NULL),(1970),(1999),(2000),(2001),(2069);
INSERT INTO t4 (c4) SELECT c2 FROM t2;
UPDATE t2 SET yy = c2;
UPDATE t4 SET yyyy = c4;
SELECT * FROM t2;
yy	c2
NULL	NULL
70	1970
99	1999
00	2000
01	2001
69	2069
SELECT * FROM t4;
yyyy	c4
NULL	NULL
1970	1970
1999	1999
2000	2000
2001	2001
2069	2069
# Comparison of YEAR(2) with YEAR(4)
SELECT * FROM t2, t4 WHERE yy = yyyy;
yy	c2	yyyy	c4
70	1970	1970	1970
99	1999	1999	1999
00	2000	2000	2000
01	2001	2001	2001
69	2069	2069	2069
SELECT * FROM t2, t4 WHERE yy <=> yyyy;
yy	c2	yyyy	c4
NULL	NULL	NULL	NULL
70	1970	1970	1970
99	1999	1999	1999
00	2000	2000	2000
01	2001	2001	2001
69	2069	2069	2069
SELECT * FROM t2, t4 WHERE yy < yyyy;
yy	c2	yyyy	c4
70	1970	1999	1999
70	1970	2000	2000
99	1999	2000	2000
70	1970	2001	2001
99	1999	2001	2001
00	2000	2001	2001
70	1970	2069	2069
99	1999	2069	2069
00	2000	2069	2069
01	2001	2069	2069
SELECT * FROM t2, t4 WHERE yy > yyyy;
yy	c2	yyyy	c4
99	1999	1970	1970
00	2000	1970	1970
01	2001	1970	1970
69	2069	1970	1970
00	2000	1999	1999
01	2001	1999	1999
69	2069	1999	1999
01	2001	2000	2000
69	2069	2000	2000
69	2069	2001	2001
# Comparison of YEAR(2) with YEAR(2)
SELECT * FROM t2 a, t2 b WHERE a.yy = b.yy;
yy	c2	yy	c2
70	1970	70	1970
99	1999	99	1999
00	2000	00	2000
01	2001	01	2001
69	2069	69	2069
SELECT * FROM t2 a, t2 b WHERE a.yy <=> b.yy;
yy	c2	yy	c2
NULL	NULL	NULL	NULL
70	1970	70	1970
99	1999	99	1999
00	2000	00	2000
01	2001	01	2001
69	2069	69	2069
SELECT * FROM t2 a, t2 b WHERE a.yy < b.yy;
yy	c2	yy	c2
70	1970	99	1999
70	1970	00	2000
99	1999	00	2000
70	1970	01	2001
99	1999	01	2001
00	2000	01	2001
70	1970	69	2069
99	1999	69	2069
00	2000	69	2069
01	2001	69	2069
# Comparison of YEAR(4) with YEAR(4)
SELECT * FROM t4 a, t4 b WHERE a.yyyy = b.yyyy;
yyyy	c4	yyyy	c4
1970	1970	1970	1970
1999	1999	1999	1999
2000	2000	2000	2000
2001	2001	2001	2001
2069	2069	2069	2069
SELECT * FROM t4 a, t4 b WHERE a.yyyy <=> b.yyyy;
yyyy	c4	yyyy	c4
NULL	NULL	NULL	NULL
1970	1970	1970	1970
1999	1999	1999	1999
2000	2000	2000	2000
2001	2001	2001	2001
2069	2069	2069	2069
SELECT * FROM t4 a, t4 b WHERE a.yyyy < b.yyyy;
yyyy	c4	yyyy	c4
1970	1970	1999	1999
1970	1970	2000	2000
1999	1999	2000	2000
1970	1970	2001	2001
1999	1999	2001	2001
2000	2000	2001	2001
1970	1970	2069	2069
1999	1999	2069	2069
2000	2000	2069	2069
2001	2001	2069	2069
# Comparison with constants:
SELECT * FROM t2 WHERE yy = NULL;
yy	c2
SELECT * FROM t4 WHERE yyyy = NULL;
yyyy	c4
SELECT * FROM t2 WHERE yy <=> NULL;
yy	c2
NULL	NULL
SELECT * FROM t4 WHERE yyyy <=> NULL;
yyyy	c4
NULL	NULL
SELECT * FROM t2 WHERE yy < NULL;
yy	c2
SELECT * FROM t2 WHERE yy > NULL;
yy	c2
SELECT * FROM t2 WHERE yy = NOW();
yy	c2
SELECT * FROM t4 WHERE yyyy = NOW();
yyyy	c4
SELECT * FROM t2 WHERE yy = 99;
yy	c2
99	1999
SELECT * FROM t2 WHERE 99 = yy;
yy	c2
99	1999
SELECT * FROM t4 WHERE yyyy = 99;
yyyy	c4
1999	1999
SELECT * FROM t2 WHERE yy = 'test';
yy	c2
00	2000
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'test'
SELECT * FROM t4 WHERE yyyy = 'test';
yyyy	c4
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'test'
SELECT * FROM t2 WHERE yy = '1999';
yy	c2
99	1999
SELECT * FROM t4 WHERE yyyy = '1999';
yyyy	c4
1999	1999
SELECT * FROM t2 WHERE yy = 1999;
yy	c2
99	1999
SELECT * FROM t4 WHERE yyyy = 1999;
yyyy	c4
1999	1999
SELECT * FROM t2 WHERE yy = 1999.1;
yy	c2
99	1999
SELECT * FROM t4 WHERE yyyy = 1999.1;
yyyy	c4
1999	1999
SELECT * FROM t2 WHERE yy = 1998.9;
yy	c2
99	1999
SELECT * FROM t4 WHERE yyyy = 1998.9;
yyyy	c4
1999	1999
# Coverage tests for YEAR with zero/2000 constants:
SELECT * FROM t2 WHERE yy = 0;
yy	c2
00	2000
SELECT * FROM t2 WHERE yy = '0';
yy	c2
00	2000
SELECT * FROM t2 WHERE yy = '0000';
yy	c2
00	2000
SELECT * FROM t2 WHERE yy = '2000';
yy	c2
00	2000
SELECT * FROM t2 WHERE yy = 2000;
yy	c2
00	2000
SELECT * FROM t4 WHERE yyyy = 0;
yyyy	c4
SELECT * FROM t4 WHERE yyyy = '0';
yyyy	c4
2000	2000
SELECT * FROM t4 WHERE yyyy = '0000';
yyyy	c4
SELECT * FROM t4 WHERE yyyy = '2000';
yyyy	c4
2000	2000
SELECT * FROM t4 WHERE yyyy = 2000;
yyyy	c4
2000	2000
# Comparison with constants those are out of YEAR range
# (coverage test for backward compatibility)
SELECT COUNT(yy) FROM t2;
COUNT(yy)
5
SELECT COUNT(yyyy) FROM t4;
COUNT(yyyy)
5
SELECT COUNT(*) FROM t2 WHERE yy = -1;
COUNT(*)
0
SELECT COUNT(*) FROM t4 WHERE yyyy > -1;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy > -1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy > -1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy < 2156;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy < 2156;
COUNT(*)
5
SELECT COUNT(*) FROM t2 WHERE yy < 1000000000000000000;
COUNT(*)
5
SELECT COUNT(*) FROM t4 WHERE yyyy < 1000000000000000000;
COUNT(*)
5
SELECT * FROM t2 WHERE yy < 123;
yy	c2
70	1970
99	1999
00	2000
01	2001
69	2069
SELECT * FROM t2 WHERE yy > 123;
yy	c2
SELECT * FROM t4 WHERE yyyy < 123;
yyyy	c4
SELECT * FROM t4 WHERE yyyy > 123;
yyyy	c4
1970	1970
1999	1999
2000	2000
2001	2001
2069	2069
DROP TABLE t2, t4;
#
# Bug #49910: Behavioural change in SELECT/WHERE on YEAR(4) data type
#
CREATE TABLE t1 (y YEAR NOT NULL, s VARCHAR(4));
INSERT IGNORE INTO t1 (s) VALUES ('bad');
Warnings:
Warning	1364	Field 'y' doesn't have a default value
INSERT INTO t1 (y, s) VALUES (0, 0), (2000, 2000), (2001, 2001);
SELECT * FROM t1 ta, t1 tb WHERE ta.y = tb.y;
y	s	y	s
0000	bad	0000	bad
0000	0	0000	bad
0000	bad	0000	0
0000	0	0000	0
2000	2000	2000	2000
2001	2001	2001	2001
SELECT * FROM t1 WHERE t1.y = 0;
y	s
0000	bad
0000	0
SELECT * FROM t1 WHERE t1.y = 2000;
y	s
2000	2000
SELECT ta.y AS ta_y, ta.s, tb.y AS tb_y, tb.s FROM t1 ta, t1 tb HAVING ta_y = tb_y;
ta_y	s	tb_y	s
0000	bad	0000	bad
0000	0	0000	bad
0000	bad	0000	0
0000	0	0000	0
2000	2000	2000	2000
2001	2001	2001	2001
DROP TABLE t1;
#
# Bug #59211: Select Returns Different Value for min(year) Function
#
CREATE TABLE t1(c1 YEAR(4));
INSERT INTO t1 VALUES (1901),(2155),(0000);
SELECT * FROM t1;
c1
1901
2155
0000
SELECT COUNT(*) AS total_rows, MIN(c1) AS min_value, MAX(c1) FROM t1;
total_rows	min_value	MAX(c1)
3	0	2155
SELECT COUNT(*) AS total_rows, MIN(c1+0) AS min_value, MAX(c1+0) FROM t1;
total_rows	min_value	MAX(c1+0)
3	0	2155
DROP TABLE t1;
#
# WL#6219: Deprecate and remove YEAR(2) type
#
CREATE TABLE t1 (c1 YEAR(2), c2 YEAR(4));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
ALTER TABLE t1 MODIFY COLUMN c2 YEAR(2);
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
DROP TABLE t1;
#
# End of 5.1 tests
#
create function y2k() returns int deterministic return 2000;
create table t1 (a year(2), b int);
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
insert t1 values (0,2000);
select a from t1 where a=2000;
a
00
select a from t1 where a=1000+1000;
a
00
select a from t1 where a=(select 2000 from dual where 1);
a
00
select a from t1 where a=y2k();
a
00
select a from t1 where a=b;
a
drop table t1;
drop function y2k;
#
# MDEV-17257 Server crashes in Item::field_type_for_temporal_comparison or in get_datetime_value on SELECT with YEAR field and IN
#
CREATE TABLE t1 (y YEAR);
SELECT * FROM t1 WHERE y IN ( CAST( '1993-03-26 10:14:20' AS DATE ), NULL );
y
DROP TABLE t1;
#
# End of 10.0 tests
#
#
# MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010
#
CREATE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (2010),(2020);
SELECT * FROM t1 WHERE a=2010 AND a>=2010;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND a>=2010;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2010
SELECT * FROM t1 WHERE a=2010 AND a>=10;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND a>=10;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2010
SELECT * FROM t1 WHERE a=10 AND a>=2010;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10 AND a>=2010;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2010
SELECT * FROM t1 WHERE a=10 AND a>=10;
a
2010
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10 AND a>=10;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 2010
DROP TABLE t1;
#
# MDEV-16958 Assertion `field_length < 5' failed in Field_year::val_str or data corruption upon SELECT with UNION and aggregate functions
#
CREATE TABLE t1 (f YEAR);
INSERT IGNORE INTO t1 VALUES (1971),(1972);
SELECT MAX( NULLIF( f, '1900' ) ) AS f FROM t1 UNION SELECT MAX( NULLIF( f, '1900' ) ) AS f FROM t1;
f
1972
DROP TABLE t1;
#
# End of 10.1 tests
#
#
# MDEV-9392 Copying from DECIMAL to YEAR is not consistent about warnings
#
CREATE TABLE t1 (a YEAR);
INSERT IGNORE INTO t1 VALUES (-0.1);
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1;
CREATE TABLE t1 (a YEAR);
CREATE TABLE t2 (a DECIMAL(10,1));
INSERT INTO t2 VALUES (-0.1);
INSERT IGNORE INTO t1 SELECT * FROM t2;
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1,t2;
CREATE TABLE t1 (a DECIMAL(10,1));
INSERT INTO t1 VALUES (-0.1);
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
ALTER TABLE t1 MODIFY a YEAR;
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1;
CREATE TABLE t1 (a YEAR);
INSERT IGNORE INTO t1 VALUES (-0.1e0);
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1;
CREATE TABLE t1 (a YEAR);
CREATE TABLE t2 (a DOUBLE);
INSERT INTO t2 VALUES (-0.1);
INSERT IGNORE INTO t1 SELECT * FROM t2;
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1,t2;
CREATE TABLE t1 (a DOUBLE);
INSERT INTO t1 VALUES (-0.1);
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
ALTER TABLE t1 MODIFY a YEAR;
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
DROP TABLE t1;
#
# Various widths of the YEAR
#
create or replace table t1 (a YEAR(0));
Warnings:
Note	1287	'YEAR(0)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(1));
Warnings:
Note	1287	'YEAR(1)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(2));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(2) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(3));
Warnings:
Note	1287	'YEAR(3)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(4));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(5));
Warnings:
Note	1287	'YEAR(5)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create or replace table t1 (a YEAR(100));
Warnings:
Note	1287	'YEAR(100)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
#
# End of 10.2 tests
#
#
# Start of 10.4 tests
#
#
# MDEV-16451 Split Item_equal::add_const() into a virtual method in type_handler()
#
CREATE TABLE t1 (a YEAR(4));
INSERT INTO t1 VALUES (93),(94);
SELECT * FROM t1;
a
1993
1994
SELECT * FROM t1 WHERE a=1993 and a=93;
a
1993
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=1993 and a=93;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1993
DROP TABLE t1;
CREATE TABLE t1 (a YEAR(2));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
INSERT INTO t1 VALUES (93),(94);
SELECT * FROM t1;
a
93
94
SELECT * FROM t1 WHERE a=1993 and a=93;
a
93
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=1993 and a=93;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
Warnings:
Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 93
DROP TABLE t1;
#
# MDEV-16926 CAST(COALESCE(year_field)) returns wrong value
#
CREATE OR REPLACE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (1970),(1978),(2000),(2069);
SELECT a, CAST(a AS DATE), CAST(COALESCE(a) AS DATE) FROM t1;
a	CAST(a AS DATE)	CAST(COALESCE(a) AS DATE)
1970	1970-00-00	1970-00-00
1978	1978-00-00	1978-00-00
2000	2000-00-00	2000-00-00
2069	2069-00-00	2069-00-00
SELECT MIN(a), MAX(a) FROM t1;
MIN(a)	MAX(a)
1970	2069
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a YEAR(2));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
INSERT INTO t1 VALUES (1970),(1978),(2000),(2069);
SELECT a, CAST(a AS DATE), CAST(COALESCE(a) AS DATE) FROM t1;
a	CAST(a AS DATE)	CAST(COALESCE(a) AS DATE)
70	1970-00-00	1970-00-00
78	1978-00-00	1978-00-00
00	2000-00-00	2000-00-00
69	2069-00-00	2069-00-00
SELECT MIN(a), MAX(a) FROM t1;
MIN(a)	MAX(a)
70	69
DROP TABLE t1;
#
# MDEV-17015 Assertion `m_year <= 9999' failed in Year::Year upon bad argument to MAKEDATE
#
SELECT MAKEDATE(18446744073709551615, 1);
MAKEDATE(18446744073709551615, 1)
NULL
#
# MDEV-17607 DATE(COALESCE(year_column)) returns a wrong result
#
CREATE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (NULL);
SELECT COALESCE(a), DATE(COALESCE(a)) FROM t1;
COALESCE(a)	DATE(COALESCE(a))
NULL	NULL
DROP TABLE t1;
#
# MDEV-23337 Rounding functions create a wrong data type for numeric input
#
CREATE TABLE t1 (a YEAR(2));
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
CREATE TABLE t2 AS SELECT a, ROUND(a), TRUNCATE(a,0), FLOOR(a), CEILING(a) FROM t1;
Warnings:
Note	1287	'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
DESC t2;
Field	Type	Null	Key	Default	Extra
a	year(2)	YES		NULL	
ROUND(a)	int(2) unsigned	YES		NULL	
TRUNCATE(a,0)	int(2) unsigned	YES		NULL	
FLOOR(a)	int(2) unsigned	YES		NULL	
CEILING(a)	int(2) unsigned	YES		NULL	
DROP TABLE t2,t1;
CREATE TABLE t1 (a YEAR(4));
CREATE TABLE t2 AS SELECT a, ROUND(a), TRUNCATE(a,0), FLOOR(a), CEILING(a) FROM t1;
DESC t2;
Field	Type	Null	Key	Default	Extra
a	year(4)	YES		NULL	
ROUND(a)	int(4) unsigned	YES		NULL	
TRUNCATE(a,0)	int(4) unsigned	YES		NULL	
FLOOR(a)	int(4) unsigned	YES		NULL	
CEILING(a)	int(4) unsigned	YES		NULL	
DROP TABLE t2,t1;
#
# End of 10.4 tests
#
#
# Start of 10.5 tests
#
#
# MDEV-20384 Assertion `field.is_sane()' failed in Protocol_text::store_field_metadata
#
CREATE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (2000),(2001);
SELECT MAX( NULLIF( a, 1970 ) ) AS f FROM t1;
f
2001
SELECT NULLIF(a, 1970) AS f FROM t1 ORDER BY a;
Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
def					f	13	4	4	Y	32928	0	63
f
2000
2001
SELECT MAX(NULLIF(a, 1970)) AS f FROM t1;
Catalog	Database	Table	Table_alias	Column	Column_alias	Type	Length	Max length	Is_null	Flags	Decimals	Charsetnr
def					f	8	4	4	Y	32928	0	63
f
2001
DROP TABLE t1;
#
# End of 10.5 tests
#