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select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
cast("A" as binary) = "a" cast(BINARY "a" as CHAR) = "A"
0 0
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
cast("2001-1-1" as DATE) cast("2001-1-1" as DATETIME)
2001-01-01 2001-01-01 00:00:00
select CONVERT("2004-01-22 21:45:33",DATE);
CONVERT("2004-01-22 21:45:33",DATE)
2004-01-22
select 10+'10';
10+'10'
20
select 10.0+'10';
10.0+'10'
20
select 10E+0+'10';
10E+0+'10'
20
select CONVERT(DATE "2004-01-22 21:45:33",CHAR);
CONVERT(DATE "2004-01-22 21:45:33",CHAR)
2004-01-22 21:45:33
select CONVERT(DATE "2004-01-22 21:45:33",CHAR(4));
CONVERT(DATE "2004-01-22 21:45:33",CHAR(4))
2004
Warnings:
Warning 1292 Truncated incorrect CHAR(4) value: '2004-01-22 21:45:33'
select CONVERT(DATE "2004-01-22 21:45:33",BINARY(4));
CONVERT(DATE "2004-01-22 21:45:33",BINARY(4))
2004
Warnings:
Warning 1292 Truncated incorrect BINARY(4) value: '2004-01-22 21:45:33'
select CAST(DATE "2004-01-22 21:45:33" AS BINARY(4));
CAST(DATE "2004-01-22 21:45:33" AS BINARY(4))
2004
Warnings:
Warning 1292 Truncated incorrect BINARY(4) value: '2004-01-22 21:45:33'
select 10+'a';
10+'a'
10
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'a'
select 10.0+cast('a' as decimal);
10.0+cast('a' as decimal)
10.0
Warnings:
Warning 1292 Truncated incorrect DECIMAL value: 'a'
select 10E+0+'a';
10E+0+'a'
10
Warnings:
Warning 1292 Truncated incorrect DOUBLE value: 'a'
select
cast('ab' AS char) as c1,
cast('a ' AS char) as c2,
cast('abc' AS char(2)) as c3,
cast('a ' AS char(2)) as c4,
hex(cast('a' AS char(2))) as c5;
c1 c2 c3 c4 c5
ab a ab a 61
Warnings:
Warning 1292 Truncated incorrect CHAR(2) value: 'abc'
Warning 1292 Truncated incorrect CHAR(2) value: 'a '
select cast(1000 as CHAR(3));
cast(1000 as CHAR(3))
100
Warnings:
Warning 1292 Truncated incorrect CHAR(3) value: '1000'
create table t1 select
cast('ab' AS char) as c1,
cast('a ' AS char) as c2,
cast('abc' AS char(2)) as c3,
cast('a ' AS char(2)) as c4,
cast('a' AS char(2)) as c5;
ERROR 22007: Truncated incorrect CHAR(2) value: 'abc'
select
cast('ÆÇ' AS char) as c1,
cast('Æ ' AS char) as c2,
cast('ÆÇÈ' AS char(2)) as c3,
cast('Æ ' AS char(2)) as c4,
cast('Æ' AS char(2)) as c5;
c1 c2 c3 c4 c5
ÆÇ Æ ÆÇ Æ Æ
Warnings:
Warning 1292 Truncated incorrect CHAR(2) value: 'ÆÇÈ'
Warning 1292 Truncated incorrect CHAR(2) value: 'Æ '
select cast("2001-1-1" as date) = "2001-01-01";
cast("2001-1-1" as date) = "2001-01-01"
1
select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
cast("2001-1-1" as datetime) = "2001-01-01 00:00:00"
1
select cast(NULL as DATE);
cast(NULL as DATE)
NULL
select cast(NULL as BINARY);
cast(NULL as BINARY)
NULL
CREATE TABLE t1 (a enum ('aac','aab','aaa') not null);
INSERT INTO t1 VALUES ('aaa'),('aab'),('aac');
SELECT a, CAST(a AS CHAR(3)) FROM t1 ORDER BY CAST(a AS CHAR(2)), a;
a CAST(a AS CHAR(3))
aac aac
aab aab
aaa aaa
Warnings:
Warning 1292 Truncated incorrect CHAR(2) value: 'aaa'
Warning 1292 Truncated incorrect CHAR(2) value: 'aab'
Warning 1292 Truncated incorrect CHAR(2) value: 'aac'
SELECT a, CAST(a AS CHAR(2)) FROM t1 ORDER BY CAST(a AS CHAR(3)), a;
a CAST(a AS CHAR(2))
aaa aa
aab aa
aac aa
Warnings:
Warning 1292 Truncated incorrect CHAR(2) value: 'aaa'
Warning 1292 Truncated incorrect CHAR(2) value: 'aab'
Warning 1292 Truncated incorrect CHAR(2) value: 'aac'
DROP TABLE t1;
select date_add(cast('2004-12-30 12:00:00' as date), interval 0 hour);
date_add(cast('2004-12-30 12:00:00' as date), interval 0 hour)
2004-12-30 00:00:00
select isnull(date(NULL)), isnull(cast(NULL as DATE));
isnull(date(NULL)) isnull(cast(NULL as DATE))
1 1
select cast('1.2' as decimal(3,2));
cast('1.2' as decimal(3,2))
1.20
select 1e18 * cast('1.2' as decimal(3,2));
1e18 * cast('1.2' as decimal(3,2))
1.2e18
set @v1=1e18;
select cast(@v1 as decimal(22, 2));
cast(@v1 as decimal(22, 2))
1000000000000000000.00
select cast(-1e18 as decimal(22,2));
cast(-1e18 as decimal(22,2))
-1000000000000000000.00
CREATE TABLE t1 (v varchar(10), tt tinytext, t text,
mt mediumtext, lt longtext);
INSERT INTO t1 VALUES ('1.01', '2.02', '3.03', '4.04', '5.05');
SELECT CAST(v AS DECIMAL), CAST(tt AS DECIMAL), CAST(t AS DECIMAL),
CAST(mt AS DECIMAL), CAST(lt AS DECIMAL) from t1;
CAST(v AS DECIMAL) CAST(tt AS DECIMAL) CAST(t AS DECIMAL) CAST(mt AS DECIMAL) CAST(lt AS DECIMAL)
1 2 3 4 5
DROP TABLE t1;
select cast(NULL as decimal(6)) as t1;
t1
NULL
select hex(cast('a' as binary(2)));
hex(cast('a' as binary(2)))
6100
CREATE TABLE t1 (f1 DATE);
INSERT INTO t1 VALUES ('2007-07-19'), (NULL);
SELECT HOUR(f1),
MINUTE(f1),
SECOND(f1) FROM t1;
HOUR(f1) MINUTE(f1) SECOND(f1)
0 0 0
NULL NULL NULL
SELECT HOUR(CAST('2007-07-19' AS DATE)),
MINUTE(CAST('2007-07-19' AS DATE)),
SECOND(CAST('2007-07-19' AS DATE));
HOUR(CAST('2007-07-19' AS DATE)) MINUTE(CAST('2007-07-19' AS DATE)) SECOND(CAST('2007-07-19' AS DATE))
0 0 0
SELECT HOUR(CAST(NULL AS DATE)),
MINUTE(CAST(NULL AS DATE)),
SECOND(CAST(NULL AS DATE));
HOUR(CAST(NULL AS DATE)) MINUTE(CAST(NULL AS DATE)) SECOND(CAST(NULL AS DATE))
NULL NULL NULL
SELECT HOUR(NULL),
MINUTE(NULL),
SECOND(NULL);
HOUR(NULL) MINUTE(NULL) SECOND(NULL)
NULL NULL NULL
DROP TABLE t1;
End of 5.0 tests
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