mysql-test/main/type_year.test

#
# Test year
#

create table t1 (y year,y2 year(2));
insert into t1 values (0,0),(1999,1999),(2000,2000),(2001,2001),(70,70),(69,69);
select * from t1;
select * from t1 order by y;
select * from t1 order by y2;
drop table t1;

--echo #
--echo # Bug 2335
--echo #

create table t1 (y year);
insert ignore into t1 values (now());
select if(y = now(), 1, 0) from t1;
drop table t1;

--echo #
--echo # Bug #27176: Assigning a string to an year column has unexpected results
--echo #

create table t1(a year);
insert into t1 values (2000.5), ('2000.5'), ('2001a'), ('2.001E3');
select * from t1;
drop table t1;

--echo #
--echo # End of 5.0 tests
--echo #

--echo #
--echo # Bug #49480: WHERE using YEAR columns returns unexpected results
--echo #

CREATE TABLE t2(yy YEAR(2), c2 CHAR(4));
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;
SELECT * FROM t4;

--echo # Comparison of YEAR(2) with YEAR(4)

SELECT * FROM t2, t4 WHERE yy = yyyy;
SELECT * FROM t2, t4 WHERE yy <=> yyyy;
SELECT * FROM t2, t4 WHERE yy < yyyy;
SELECT * FROM t2, t4 WHERE yy > yyyy;

--echo # Comparison of YEAR(2) with YEAR(2)

SELECT * FROM t2 a, t2 b WHERE a.yy = b.yy;
SELECT * FROM t2 a, t2 b WHERE a.yy <=> b.yy;
SELECT * FROM t2 a, t2 b WHERE a.yy < b.yy;

--echo # Comparison of YEAR(4) with YEAR(4)

SELECT * FROM t4 a, t4 b WHERE a.yyyy = b.yyyy;
SELECT * FROM t4 a, t4 b WHERE a.yyyy <=> b.yyyy;
SELECT * FROM t4 a, t4 b WHERE a.yyyy < b.yyyy;

--echo # Comparison with constants:

SELECT * FROM t2 WHERE yy = NULL;
SELECT * FROM t4 WHERE yyyy = NULL;
SELECT * FROM t2 WHERE yy <=> NULL;
SELECT * FROM t4 WHERE yyyy <=> NULL;
SELECT * FROM t2 WHERE yy < NULL;
SELECT * FROM t2 WHERE yy > NULL;

SELECT * FROM t2 WHERE yy = NOW();
SELECT * FROM t4 WHERE yyyy = NOW();

SELECT * FROM t2 WHERE yy = 99;
SELECT * FROM t2 WHERE 99 = yy;
SELECT * FROM t4 WHERE yyyy = 99;

SELECT * FROM t2 WHERE yy = 'test';
SELECT * FROM t4 WHERE yyyy = 'test';

SELECT * FROM t2 WHERE yy = '1999';
SELECT * FROM t4 WHERE yyyy = '1999';

SELECT * FROM t2 WHERE yy = 1999;
SELECT * FROM t4 WHERE yyyy = 1999;

SELECT * FROM t2 WHERE yy = 1999.1;
SELECT * FROM t4 WHERE yyyy = 1999.1;

SELECT * FROM t2 WHERE yy = 1998.9;
SELECT * FROM t4 WHERE yyyy = 1998.9;

--echo # Coverage tests for YEAR with zero/2000 constants:

SELECT * FROM t2 WHERE yy = 0;
SELECT * FROM t2 WHERE yy = '0';
SELECT * FROM t2 WHERE yy = '0000';
SELECT * FROM t2 WHERE yy = '2000';
SELECT * FROM t2 WHERE yy = 2000;

SELECT * FROM t4 WHERE yyyy = 0;
SELECT * FROM t4 WHERE yyyy = '0';
SELECT * FROM t4 WHERE yyyy = '0000';
SELECT * FROM t4 WHERE yyyy = '2000';
SELECT * FROM t4 WHERE yyyy = 2000;

--echo # Comparison with constants those are out of YEAR range
--echo # (coverage test for backward compatibility)

SELECT COUNT(yy) FROM t2;
SELECT COUNT(yyyy) FROM t4;

SELECT COUNT(*) FROM t2 WHERE yy = -1;
SELECT COUNT(*) FROM t4 WHERE yyyy > -1;
SELECT COUNT(*) FROM t2 WHERE yy > -1000000000000000000;
SELECT COUNT(*) FROM t4 WHERE yyyy > -1000000000000000000;

SELECT COUNT(*) FROM t2 WHERE yy < 2156;
SELECT COUNT(*) FROM t4 WHERE yyyy < 2156;
SELECT COUNT(*) FROM t2 WHERE yy < 1000000000000000000;
SELECT COUNT(*) FROM t4 WHERE yyyy < 1000000000000000000;

SELECT * FROM t2 WHERE yy < 123;
SELECT * FROM t2 WHERE yy > 123;
SELECT * FROM t4 WHERE yyyy < 123;
SELECT * FROM t4 WHERE yyyy > 123;

DROP TABLE t2, t4;

--echo #
--echo # Bug #49910: Behavioural change in SELECT/WHERE on YEAR(4) data type
--echo #

CREATE TABLE t1 (y YEAR NOT NULL, s VARCHAR(4));
INSERT IGNORE INTO t1 (s) VALUES ('bad');
INSERT INTO t1 (y, s) VALUES (0, 0), (2000, 2000), (2001, 2001);

SELECT * FROM t1 ta, t1 tb WHERE ta.y = tb.y;
SELECT * FROM t1 WHERE t1.y = 0;
SELECT * FROM t1 WHERE t1.y = 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;

DROP TABLE t1;

--echo #
--echo # Bug #59211: Select Returns Different Value for min(year) Function
--echo #

CREATE TABLE t1(c1 YEAR(4));
INSERT INTO t1 VALUES (1901),(2155),(0000);
SELECT * FROM t1;
SELECT COUNT(*) AS total_rows, MIN(c1) AS min_value, MAX(c1) FROM t1;
SELECT COUNT(*) AS total_rows, MIN(c1+0) AS min_value, MAX(c1+0) FROM t1;
DROP TABLE t1;

--echo #
--echo # WL#6219: Deprecate and remove YEAR(2) type
--echo #

CREATE TABLE t1 (c1 YEAR(2), c2 YEAR(4));
ALTER TABLE t1 MODIFY COLUMN c2 YEAR(2);
DROP TABLE t1;

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

#
# fun with convert_const_to_int
# in some cases 00 is equal to 2000, in others it is not.
#
create function y2k() returns int deterministic return 2000;
create table t1 (a year(2), b int);
insert t1 values (0,2000);
select a from t1 where a=2000;  # constant.
select a from t1 where a=1000+1000; # still a constant.
# select a from t1 where a=(select 2000); # even this is a constant
select a from t1 where a=(select 2000 from dual where 1); # constant, but "expensive"
select a from t1 where a=y2k(); # constant, but "expensive"
select a from t1 where a=b; # not a constant
drop table t1;
drop function y2k;

--echo #
--echo # MDEV-17257 Server crashes in Item::field_type_for_temporal_comparison or in get_datetime_value on SELECT with YEAR field and IN
--echo #

CREATE TABLE t1 (y YEAR);
SELECT * FROM t1 WHERE y IN ( CAST( '1993-03-26 10:14:20' AS DATE ), NULL );
DROP TABLE t1;

--echo #
--echo # End of 10.0 tests
--echo #

--echo #
--echo # MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010
--echo #
CREATE TABLE t1 (a YEAR);
INSERT INTO t1 VALUES (2010),(2020);
SELECT * FROM t1 WHERE a=2010 AND a>=2010;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND a>=2010;
SELECT * FROM t1 WHERE a=2010 AND a>=10;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=2010 AND a>=10;
SELECT * FROM t1 WHERE a=10 AND a>=2010;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10 AND a>=2010;
SELECT * FROM t1 WHERE a=10 AND a>=10;
EXPLAIN EXTENDED SELECT * FROM t1 WHERE a=10 AND a>=10;
DROP TABLE t1;


--echo #
--echo # MDEV-16958 Assertion `field_length < 5' failed in Field_year::val_str or data corruption upon SELECT with UNION and aggregate functions
--echo #

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;
DROP TABLE t1;


--echo #
--echo # End of 10.1 tests
--echo #

--echo #
--echo # MDEV-9392 Copying from DECIMAL to YEAR is not consistent about warnings
--echo #
CREATE TABLE t1 (a YEAR);
INSERT IGNORE INTO t1 VALUES (-0.1);
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;
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;
DROP TABLE t1;

CREATE TABLE t1 (a YEAR);
INSERT IGNORE INTO t1 VALUES (-0.1e0);
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;
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;
DROP TABLE t1;

--echo #
--echo # Various widths of the YEAR
--echo #
create or replace table t1 (a YEAR(0)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(1)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(2)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(3)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(4)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(5)); SHOW CREATE TABLE t1;
create or replace table t1 (a YEAR(100)); SHOW CREATE TABLE t1;
drop table t1;

--echo #
--echo # End of 10.2 tests
--echo #