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|
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 DECIMAL value: 'test'
SELECT * FROM t4 WHERE yyyy = 'test';
yyyy c4
Warnings:
Warning 1292 Truncated incorrect DECIMAL 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
#
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