SET timestamp=unix_timestamp('2001-02-03 10:20:30');
select CAST(1-2 AS UNSIGNED);
CAST(1-2 AS UNSIGNED)
18446744073709551615
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER)
-1
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
select CAST('10 ' as unsigned integer);
CAST('10 ' as unsigned integer)
10
Warnings:
Note	1292	Truncated incorrect INTEGER value: '10 '
select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
cast(-5 as unsigned) | 1	cast(-5 as unsigned) & -1
18446744073709551611	18446744073709551611
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Note	1105	Cast to unsigned converted negative integer to it's positive complement
select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
cast(-5 as unsigned) -1	cast(-5 as unsigned) + 1
18446744073709551610	18446744073709551612
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Note	1105	Cast to unsigned converted negative integer to it's positive complement
select ~5, cast(~5 as signed);
~5	cast(~5 as signed)
18446744073709551610	-6
explain extended select ~5, cast(~5 as signed);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select ~5 AS `~5`,cast(~5 as signed) AS `cast(~5 as signed)`
select cast(18446744073709551615 as signed);
cast(18446744073709551615 as signed)
-1
select cast(5 as unsigned) -6.0;
cast(5 as unsigned) -6.0
-1.0
select cast(NULL as signed), cast(1/0 as signed);
cast(NULL as signed)	cast(1/0 as signed)
NULL	NULL
Warnings:
Warning	1365	Division by 0
select cast(1 as double(5,2));
cast(1 as double(5,2))
1.00
select cast("5.2222" as double(5,2));
cast("5.2222" as double(5,2))
5.22
select cast(12.444 as double(5,2));
cast(12.444 as double(5,2))
12.44
select cast(cast(12.444 as decimal(10,3)) as double(5,2));
cast(cast(12.444 as decimal(10,3)) as double(5,2))
12.44
select cast(null as double(5,2));
cast(null as double(5,2))
NULL
select cast(12.444 as double);
cast(12.444 as double)
12.444
select cast(cast("20:01:01" as time) as datetime);
cast(cast("20:01:01" as time) as datetime)
2001-02-03 20:01:01
select cast(cast("8:46:06.23434" AS time) as decimal(32,10));
cast(cast("8:46:06.23434" AS time) as decimal(32,10))
84606.0000000000
select cast(cast("2011-04-05 8:46:06.23434" AS datetime) as decimal(32,6)) as exp;
exp
20110405084606.000000
#
# Check handling of cast with microseconds
#
select cast(cast(20010203101112.121314 as double) as datetime) as exp;
exp
2001-02-03 10:11:12
select cast(cast(010203101112.12 as double) as datetime) as exp;
exp
2001-02-03 10:11:12
select cast(cast(20010203101112.121314 as decimal(32,6)) as datetime) as exp;
exp
2001-02-03 10:11:12
select cast(20010203101112.121314 as datetime) as exp;
exp
2001-02-03 10:11:12
select cast(110203101112.121314 as datetime) as exp;
exp
2011-02-03 10:11:12
select cast(cast(010203101112.12 as double) as datetime) as exp;
exp
2001-02-03 10:11:12
select cast("2011-02-03 10:11:12.123456" as datetime) as exp;
exp
2011-02-03 10:11:12
select cast("2011-02-03 10:11:12.123456" as datetime(0)) as exp;
exp
2011-02-03 10:11:12
select cast("2011-02-03 10:11:12.123456" as datetime(5)) as exp;
exp
2011-02-03 10:11:12.12345
select cast("2011-02-03 10:11:12.123456" as datetime(6)) as exp;
exp
2011-02-03 10:11:12.123456
select cast("2011-02-03 10:11:12" as datetime(6)) as exp;
exp
2011-02-03 10:11:12.000000
select cast(cast(20010203101112.5 as double) as datetime(1)) as exp;
exp
2001-02-03 10:11:12.5
select cast(cast(010203101112.12 as double) as datetime(2)) as exp;
exp
2001-02-03 10:11:12.12
select cast(cast(20010203101112.121314 as decimal(32,6)) as datetime(6)) as exp;
exp
2001-02-03 10:11:12.121314
select cast(20010203101112.121314 as datetime(6)) as exp;
exp
2001-02-03 10:11:12.121314
select cast(110203101112.121314 as datetime(6)) as exp;
exp
2011-02-03 10:11:12.121314
select cast(cast(010203101112.12 as double) as datetime(6)) as exp;
exp
2001-02-03 10:11:12.120000
select cast("2011-02-03 10:11:12.123456" as time) as exp;
exp
10:11:12
select cast("2011-02-03 10:11:12.123456" as time(6)) as exp;
exp
10:11:12.123456
select cast("10:11:12.123456" as time) as exp;
exp
10:11:12
select cast("10:11:12.123456" as time(0)) as exp;
exp
10:11:12
select cast("10:11:12.123456" as time(5)) as exp;
exp
10:11:12.12345
select cast("10:11:12.123456" as time(6)) as exp;
exp
10:11:12.123456
select cast("10:11:12" as time(6)) as exp;
exp
10:11:12.000000
select cast(cast("2011-04-05 8:46:06.123456" AS datetime) as time) as exp;
exp
08:46:06
select cast(cast("2011-04-05 8:46:06.123456" AS datetime) as time(6)) as exp;
exp
08:46:06.000000
select cast(cast("2011-04-05 8:46:06.123456" AS datetime(6)) as time) as exp;
exp
08:46:06
select cast(cast("2011-04-05 8:46:06.123456" AS datetime(6)) as time(6)) as exp;
exp
08:46:06.123456
select cast(NULL as unsigned), cast(1/0 as unsigned);
cast(NULL as unsigned)	cast(1/0 as unsigned)
NULL	NULL
Warnings:
Warning	1365	Division by 0
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
cast("A" as binary) = "a"	cast(BINARY "a" as CHAR) = "A"
0	1
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 cast("1:2:3" as TIME);
cast("1:2:3" as TIME)
01:02:03
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(TIMESTAMP "2004-01-22 21:45:33" USING latin1);
CONVERT(TIMESTAMP "2004-01-22 21:45:33" USING latin1)
2004-01-22 21:45:33
select CONVERT(TIMESTAMP "2004-01-22 21:45:33",CHAR);
CONVERT(TIMESTAMP "2004-01-22 21:45:33",CHAR)
2004-01-22 21:45:33
select CONVERT(TIMESTAMP "2004-01-22 21:45:33",CHAR(4));
CONVERT(TIMESTAMP "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(TIMESTAMP "2004-01-22 21:45:33",BINARY(4));
CONVERT(TIMESTAMP "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(TIMESTAMP "2004-01-22 21:45:33" AS BINARY(4));
CAST(TIMESTAMP "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 CAST(0xb3 as signed);
CAST(0xb3 as signed)
179
select CAST(0x8fffffffffffffff as signed);
CAST(0x8fffffffffffffff as signed)
-8070450532247928833
select CAST(0xffffffffffffffff as unsigned);
CAST(0xffffffffffffffff as unsigned)
18446744073709551615
select CAST(0xfffffffffffffffe as signed);
CAST(0xfffffffffffffffe as signed)
-2
select cast('-10a' as signed integer);
cast('-10a' as signed integer)
-10
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '-10a'
select cast('a10' as unsigned integer);
cast('a10' as unsigned integer)
0
Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'a10'
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("a" as double(5,2));
cast("a" as double(5,2))
0.00
Warnings:
Warning	1292	Truncated incorrect DOUBLE value: 'a'
select cast(1000 as decimal(5,2));
cast(1000 as decimal(5,2))
999.99
Warnings:
Warning	1264	Out of range value for column 'cast(1000 as decimal(5,2))' at row 1
select cast(-1000 as decimal(5,2));
cast(-1000 as decimal(5,2))
-999.99
Warnings:
Warning	1264	Out of range value for column 'cast(-1000 as decimal(5,2))' at row 1
select cast(1000 as double(5,2));
cast(1000 as double(5,2))
999.99
Warnings:
Note	1264	Out of range value for column 'cast(1000 as double(5,2))' at row 1
select cast(-1000 as double(5,2));
cast(-1000 as double(5,2))
-999.99
Warnings:
Note	1264	Out of range value for column 'cast(-1000 as double(5,2))' at row 1
select cast(010203101112.121314 as datetime);
cast(010203101112.121314 as datetime)
2001-02-03 10:11:12
select cast(120010203101112.121314 as datetime);
cast(120010203101112.121314 as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '120010203101112.121314'
select cast(cast(1.1 as decimal) as datetime);
cast(cast(1.1 as decimal) as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '1'
select cast(cast(-1.1 as decimal) as datetime);
cast(cast(-1.1 as decimal) as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '-1'
select cast('0' as date);
cast('0' as date)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '0'
select cast('' as date);
cast('' as date)
NULL
Warnings:
Warning	1292	Incorrect datetime value: ''
select cast('0' as datetime);
cast('0' as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '0'
select cast('' as datetime);
cast('' as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: ''
select cast('0' as time);
cast('0' as time)
00:00:00
select cast('' as time);
cast('' as time)
NULL
Warnings:
Warning	1292	Incorrect time value: ''
select cast(NULL as DATE);
cast(NULL as DATE)
NULL
select cast(NULL as DATETIME);
cast(NULL as DATETIME)
NULL
select cast(NULL as TIME);
cast(NULL as TIME)
NULL
select cast(NULL as BINARY);
cast(NULL as BINARY)
NULL
select cast(cast(120010203101112.121314 as double) as datetime);
cast(cast(120010203101112.121314 as double) as datetime)
NULL
select cast(cast(1.1 as double) as datetime);
cast(cast(1.1 as double) as datetime)
NULL
select cast(cast(-1.1 as double) as datetime);
cast(cast(-1.1 as double) as datetime)
NULL
explain extended select cast(10 as double(5,2));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select cast(10 as double(5,2)) AS `cast(10 as double(5,2))`
explain extended select cast(10 as double);
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select cast(10 as double) AS `cast(10 as double)`
explain extended select cast(10 as decimal(5,2));
id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
Warnings:
Note	1003	select cast(10 as decimal(5,2)) AS `cast(10 as decimal(5,2))`
select cast('18446744073709551616' as unsigned);
cast('18446744073709551616' as unsigned)
18446744073709551615
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '18446744073709551616'
select cast('18446744073709551616' as signed);
cast('18446744073709551616' as signed)
-1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '18446744073709551616'
select cast('9223372036854775809' as signed);
cast('9223372036854775809' as signed)
-9223372036854775807
Warnings:
Note	1105	Cast to signed converted positive out-of-range integer to it's negative complement
select cast('-1' as unsigned);
cast('-1' as unsigned)
18446744073709551615
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
select cast('abc' as signed);
cast('abc' as signed)
0
Warnings:
Warning	1292	Truncated incorrect INTEGER value: 'abc'
select cast('1a' as signed);
cast('1a' as signed)
1
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '1a'
select cast('' as signed);
cast('' as signed)
0
Warnings:
Warning	1292	Truncated incorrect INTEGER value: ''
select cast(1 as double(5,6));
ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '')
select cast(1 as decimal(5,6));
ERROR 42000: For float(M,D), double(M,D) or decimal(M,D), M must be >= D (column '')
select cast(1 as double(66,6));
ERROR 42000: Too big precision specified for '1'. Maximum is 65
select cast(1 as decimal(66,6));
ERROR 42000: Too big precision specified for '1'. Maximum is 65
select cast(1 as decimal(64,63));
ERROR 42000: Too big scale specified for '1'. Maximum is 38
select cast(1 as double(64,63));
ERROR 42000: Too big scale specified for '1'. Maximum is 38
set names binary;
select cast(_latin1'test' as char character set latin2);
cast(_latin1'test' as char character set latin2)
test
select cast(_koi8r'����' as char character set cp1251);
cast(_koi8r'\xD4\xC5\xD3\xD4' as char character set cp1251)
����
create table t1 select cast(_koi8r'����' as char character set cp1251) as t;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `t` varchar(4) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select
cast(_latin1'ab'  AS char)    as c1,
cast(_latin1'a '  AS char)    as c2,
cast(_latin1'abc' AS char(2)) as c3,
cast(_latin1'a  ' AS char(2)) as c4,
hex(cast(_latin1'a'   AS char(2))) as c5;
c1	c2	c3	c4	c5
ab	a 	ab	a 	6100
Warnings:
Warning	1292	Truncated incorrect BINARY(2) value: 'abc'
Warning	1292	Truncated incorrect BINARY(2) value: 'a  '
select cast(1000 as CHAR(3));
cast(1000 as CHAR(3))
100
Warnings:
Warning	1292	Truncated incorrect BINARY(3) value: '1000'
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
create table t1 select
cast(_latin1'ab'  AS char)    as c1,
cast(_latin1'a '  AS char)    as c2,
cast(_latin1'abc' AS char(2)) as c3,
cast(_latin1'a  ' AS char(2)) as c4,
cast(_latin1'a'   AS char(2)) as c5;
Warnings:
Warning	1292	Truncated incorrect BINARY(2) value: 'abc'
Warning	1292	Truncated incorrect BINARY(2) value: 'a  '
select c1,c2,c3,c4,hex(c5) from t1;
c1	c2	c3	c4	hex(c5)
ab	a 	ab	a 	6100
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varbinary(2) NOT NULL,
  `c2` varbinary(2) NOT NULL,
  `c3` varbinary(2) NOT NULL,
  `c4` varbinary(2) NOT NULL,
  `c5` varbinary(2) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select
cast(_koi8r'��'  AS nchar)    as c1,
cast(_koi8r'� '  AS nchar)    as c2,
cast(_koi8r'���' AS nchar(2)) as c3,
cast(_koi8r'�  ' AS nchar(2)) as c4,
cast(_koi8r'�'   AS nchar(2)) as c5;
c1	c2	c3	c4	c5
фг	ф 	фг	ф 	ф
Warnings:
Warning	1292	Truncated incorrect CHAR(2) value: 'фгх'
Warning	1292	Truncated incorrect CHAR(2) value: 'ф  '
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
create table t1 select
cast(_koi8r'��'  AS nchar)    as c1,
cast(_koi8r'� '  AS nchar)    as c2,
cast(_koi8r'���' AS nchar(2)) as c3,
cast(_koi8r'�  ' AS nchar(2)) as c4,
cast(_koi8r'�'   AS nchar(2)) as c5;
Warnings:
Warning	1292	Truncated incorrect CHAR(2) value: 'фгх'
Warning	1292	Truncated incorrect CHAR(2) value: 'ф  '
select * from t1;
c1	c2	c3	c4	c5
фг	ф 	фг	ф 	ф
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` varchar(2) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
  `c2` varchar(2) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
  `c3` varchar(2) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
  `c4` varchar(2) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL,
  `c5` varchar(2) CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
create table t1 (a binary(4), b char(4) character set koi8r);
insert into t1 values (_binary'����',_binary'����');
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
a	b	cast(a as char character set cp1251)	cast(b as binary)
����	����	����	����
set names koi8r;
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
a	b	cast(a as char character set cp1251)	cast(b as binary)
����	����	����	����
set names cp1251;
select a,b,cast(a as char character set cp1251),cast(b as binary) from t1;
a	b	cast(a as char character set cp1251)	cast(b as binary)
����	����	����	����
drop table t1;
set names binary;
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("1:2:3" as TIME) = "1:02:03";
cast("1:2:3" as TIME) = "1:02:03"
1
CREATE TABLE t1 (a enum ('aac','aab','aaa') not null);
INSERT INTO t1 VALUES ('aaa'),('aab'),('aac');
SELECT a, CAST(a AS CHAR) FROM t1 ORDER BY CAST(a AS UNSIGNED) ;
a	CAST(a AS CHAR)
aac	aac
aab	aab
aaa	aaa
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 BINARY(2) value: 'aaa'
Warning	1292	Truncated incorrect BINARY(2) value: 'aab'
Warning	1292	Truncated incorrect BINARY(2) value: 'aac'
SELECT a, CAST(a AS UNSIGNED) FROM t1 ORDER BY CAST(a AS CHAR) ;
a	CAST(a AS UNSIGNED)
aaa	3
aab	2
aac	1
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 BINARY(2) value: 'aaa'
Warning	1292	Truncated incorrect BINARY(2) value: 'aab'
Warning	1292	Truncated incorrect BINARY(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 timediff(cast('2004-12-30 12:00:00' as time), '12:00:00');
timediff(cast('2004-12-30 12:00:00' as time), '12:00:00')
00:00:00
select timediff(cast('1 12:00:00' as time), '12:00:00');
timediff(cast('1 12:00:00' as time), '12:00:00')
24:00:00
select cast(18446744073709551615 as unsigned);
cast(18446744073709551615 as unsigned)
18446744073709551615
select cast(18446744073709551615 as signed);
cast(18446744073709551615 as signed)
-1
select cast('18446744073709551615' as unsigned);
cast('18446744073709551615' as unsigned)
18446744073709551615
select cast('18446744073709551615' as signed);
cast('18446744073709551615' as signed)
-1
Warnings:
Note	1105	Cast to signed converted positive out-of-range integer to it's negative complement
select cast('9223372036854775807' as signed);
cast('9223372036854775807' as signed)
9223372036854775807
select cast(concat('184467440','73709551615') as unsigned);
cast(concat('184467440','73709551615') as unsigned)
18446744073709551615
select cast(concat('184467440','73709551615') as signed);
cast(concat('184467440','73709551615') as signed)
-1
Warnings:
Note	1105	Cast to signed converted positive out-of-range integer to it's negative complement
select cast(repeat('1',20) as unsigned);
cast(repeat('1',20) as unsigned)
11111111111111111111
select cast(repeat('1',20) as signed);
cast(repeat('1',20) as signed)
-7335632962598440505
Warnings:
Note	1105	Cast to signed converted positive out-of-range integer to it's negative complement
select cast(1.0e+300 as signed int);
cast(1.0e+300 as signed int)
9223372036854775807
Warnings:
Note	1916	Got overflow when converting '1e300' to SIGNED BIGINT. Value truncated
create table t1  select cast(1 as unsigned), cast(1 as signed), cast(1 as double(5,2)), cast(1 as decimal(5,3)), cast("A" as binary), cast("A" as char(100)), cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME), cast("1:2:3" as TIME);
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `cast(1 as unsigned)` int(1) unsigned NOT NULL,
  `cast(1 as signed)` int(2) NOT NULL,
  `cast(1 as double(5,2))` double(5,2) DEFAULT NULL,
  `cast(1 as decimal(5,3))` decimal(5,3) NOT NULL,
  `cast("A" as binary)` varbinary(1) DEFAULT NULL,
  `cast("A" as char(100))` varbinary(100) DEFAULT NULL,
  `cast("2001-1-1" as DATE)` date DEFAULT NULL,
  `cast("2001-1-1" as DATETIME)` datetime DEFAULT NULL,
  `cast("1:2:3" as TIME)` time DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
CREATE TABLE t1 (f1 double);
INSERT INTO t1 SET f1 = -1.0e+30 ;
INSERT INTO t1 SET f1 = +1.0e+30 ;
SELECT f1 AS double_val, CAST(f1 AS SIGNED INT) AS cast_val FROM t1;
double_val	cast_val
-1e30	-9223372036854775808
1e30	9223372036854775807
Warnings:
Note	1916	Got overflow when converting '-1e30' to SIGNED BIGINT. Value truncated
Note	1916	Got overflow when converting '1e30' to SIGNED BIGINT. Value truncated
DROP TABLE t1;
select isnull(date(NULL)), isnull(cast(NULL as DATE));
isnull(date(NULL))	isnull(cast(NULL as DATE))
1	1
SELECT CAST(cast('01-01-01' as date) AS UNSIGNED);
CAST(cast('01-01-01' as date) AS UNSIGNED)
20010101
SELECT CAST(cast('01-01-01' as date) AS SIGNED);
CAST(cast('01-01-01' as date) AS SIGNED)
20010101
End of 4.1 tests
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
select cast(cast('1.2' as decimal(3,2)) as signed);
cast(cast('1.2' as decimal(3,2)) as signed)
1
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(s1 time);
insert into t1 values ('11:11:11');
select cast(s1 as decimal(7,2)) from t1;
cast(s1 as decimal(7,2))
99999.99
Warnings:
Warning	1264	Out of range value for column 'cast(s1 as decimal(7,2))' at row 1
drop table t1;
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
set names latin1;
select hex(cast('a' as char(2) binary));
hex(cast('a' as char(2) binary))
61
select hex(cast('a' as binary(2)));
hex(cast('a' as binary(2)))
6100
select hex(cast('a' as char(2) binary));
hex(cast('a' as char(2) binary))
61
CREATE TABLE t1 (d1 datetime);
INSERT INTO t1(d1) VALUES ('2007-07-19 08:30:00'), (NULL),
('2007-07-19 08:34:00'), (NULL), ('2007-07-19 08:36:00');
SELECT cast(date(d1) as signed) FROM t1;
cast(date(d1) as signed)
20070719
NULL
20070719
NULL
20070719
drop table t1;
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
#
#  Bug #44766: valgrind error when using convert() in a subquery
#
CREATE TABLE t1(a tinyint);
INSERT INTO t1 VALUES (127);
SELECT 1 FROM
(
SELECT CONVERT(t2.a USING UTF8) FROM t1, t1 t2 LIMIT 1
) AS s LIMIT 1;
1
1
DROP TABLE t1;
#
# Bug #11765023: 57934: DOS POSSIBLE SINCE BINARY CASTING 
#   DOESN'T ADHERE TO MAX_ALLOWED_PACKET
set @save_max_allowed_packet=@@global.max_allowed_packet;
SET @@GLOBAL.max_allowed_packet=2048;
Warnings:
Warning	1708	The value of 'max_allowed_packet' should be no less than the value of 'net_buffer_length'
connect  newconn, localhost, root,,;
SELECT CONVERT('a', BINARY(2049));
CONVERT('a', BINARY(2049))
a�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������
Warnings:
Warning	1301	Result of cast_as_binary() was larger than max_allowed_packet (2048) - truncated
SELECT CONVERT('a', CHAR(2049));
CONVERT('a', CHAR(2049))
a
Warnings:
Warning	1301	Result of cast_as_char() was larger than max_allowed_packet (2048) - truncated
SELECT length(CONVERT(repeat('a',2048), CHAR(2049)));
length(CONVERT(repeat('a',2048), CHAR(2049)))
2048
Warnings:
Warning	1301	Result of cast_as_char() was larger than max_allowed_packet (2048) - truncated
connection default;
disconnect newconn;
SET @@GLOBAL.max_allowed_packet=@save_max_allowed_packet;
#
# Bug#13519724 63793: CRASH IN DTCOLLATION::SET(DTCOLLATION &SET)
#
CREATE TABLE t1 (a VARCHAR(50));
SELECT a FROM t1 
WHERE CAST(a as BINARY)=x'62736D697468' 
AND CAST(a AS BINARY)=x'65736D697468';
a
DROP TABLE t1;
#
# Bug#13581962 HIGH MEMORY USAGE ATTEMPT, THEN CRASH WITH 
# LONGTEXT, UNION, USER VARIABLE
# Bug#14096619 UNABLE TO RESTORE DATABASE DUMP
#
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
CREATE TABLE t1 AS SELECT CONCAT(CAST(REPEAT('9', 1000) AS SIGNED)),
CONCAT(CAST(REPEAT('9', 1000) AS UNSIGNED));
Warnings:
Warning	1292	Truncated incorrect INTEGER value: '99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...'
Warning	1292	Truncated incorrect INTEGER value: '99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...'
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `CONCAT(CAST(REPEAT('9', 1000) AS SIGNED))` varchar(21) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL,
  `CONCAT(CAST(REPEAT('9', 1000) AS UNSIGNED))` varchar(20) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
# End of test for Bug#13581962, Bug#14096619
End of 5.1 tests
select cast("2101-00-01 02:03:04" as datetime);
cast("2101-00-01 02:03:04" as datetime)
2101-00-01 02:03:04
select cast(cast("2101-00-01 02:03:04" as datetime) as time);
cast(cast("2101-00-01 02:03:04" as datetime) as time)
02:03:04
SELECT CAST(CAST('20:05:05' AS TIME) as date);
CAST(CAST('20:05:05' AS TIME) as date)
2001-02-03
set sql_mode= TRADITIONAL;
select cast("2101-00-01 02:03:04" as datetime);
cast("2101-00-01 02:03:04" as datetime)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '2101-00-01 02:03:04'
select cast(cast("2101-00-01 02:03:04" as datetime) as time);
cast(cast("2101-00-01 02:03:04" as datetime) as time)
NULL
Warnings:
Warning	1292	Incorrect datetime value: '2101-00-01 02:03:04'
SELECT CAST(CAST('20:05:05' AS TIME) as date);
CAST(CAST('20:05:05' AS TIME) as date)
2001-02-03
set sql_mode=DEFAULT;
create table t1 (f1 time, f2 date, f3 datetime);
insert into t1 values ('11:22:33','2011-12-13','2011-12-13 11:22:33');
select cast(f1 as unsigned), cast(f2 as unsigned), cast(f3 as unsigned) from t1;
cast(f1 as unsigned)	cast(f2 as unsigned)	cast(f3 as unsigned)
112233	20111213	20111213112233
drop table t1;
SELECT CAST(TIME('10:20:30') AS DATE) + INTERVAL 1 DAY;
CAST(TIME('10:20:30') AS DATE) + INTERVAL 1 DAY
2001-02-04
SET SQL_MODE=ALLOW_INVALID_DATES;
SELECT DATE("foo");
DATE("foo")
NULL
Warnings:
Warning	1292	Incorrect datetime value: 'foo'
create table t1 (a int, b char(5) as (cast("a" as char(10) binary) + a) );
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` int(11) DEFAULT NULL,
  `b` char(5) GENERATED ALWAYS AS (cast('a' as char(10) charset latin1 binary) + `a`) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
drop table t1;
select collation(cast("a" as char(10) binary));
collation(cast("a" as char(10) binary))
latin1_bin
select collation(cast("a" as char(10) charset utf8 binary));
collation(cast("a" as char(10) charset utf8 binary))
utf8mb3_bin
select collation(cast("a" as char(10) ascii binary));
collation(cast("a" as char(10) ascii binary))
latin1_bin
select collation(cast("a" as char(10) binary charset utf8));
collation(cast("a" as char(10) binary charset utf8))
utf8mb3_bin
select collation(cast("a" as char(10) binary ascii));
collation(cast("a" as char(10) binary ascii))
latin1_bin
#
# MDEV-11030 Assertion `precision > 0' failed in decimal_bin_size
#
SELECT * FROM (SELECT IFNULL(CONVERT(NULL, UNSIGNED), NULL)) sq;
IFNULL(CONVERT(NULL, UNSIGNED), NULL)
NULL
CREATE TABLE t1 AS SELECT IFNULL(CONVERT(NULL, UNSIGNED), NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `IFNULL(CONVERT(NULL, UNSIGNED), NULL)` decimal(1,0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 AS SELECT COALESCE(CONVERT(NULL, UNSIGNED), NULL);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `COALESCE(CONVERT(NULL, UNSIGNED), NULL)` decimal(1,0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 AS SELECT CASE WHEN TRUE THEN CONVERT(NULL, UNSIGNED) ELSE NULL END;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `CASE WHEN TRUE THEN CONVERT(NULL, UNSIGNED) ELSE NULL END` decimal(1,0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 AS SELECT IFNULL(CONVERT(NULL,SIGNED),CONVERT(NULL,UNSIGNED)) AS a;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` decimal(1,0) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
-1,
CONVERT(NULL,SIGNED),
CONCAT(CONVERT(NULL,SIGNED)),
1,
CONVERT(NULL,UNSIGNED),
CONCAT(CONVERT(NULL,UNSIGNED));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `-1` int(2) NOT NULL,
  `CONVERT(NULL,SIGNED)` int(2) DEFAULT NULL,
  `CONCAT(CONVERT(NULL,SIGNED))` varchar(2) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL,
  `1` int(1) NOT NULL,
  `CONVERT(NULL,UNSIGNED)` int(1) unsigned DEFAULT NULL,
  `CONCAT(CONVERT(NULL,UNSIGNED))` varchar(1) CHARACTER SET latin1 COLLATE latin1_swedish_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
CREATE TABLE t1 AS SELECT
CONVERT('',SIGNED),
CONCAT(CONVERT('',SIGNED)),
CONVERT('',UNSIGNED),
CONCAT(CONVERT('',UNSIGNED));
Warnings:
Warning	1292	Truncated incorrect INTEGER value: ''
Warning	1292	Truncated incorrect INTEGER value: ''
Warning	1292	Truncated incorrect INTEGER value: ''
Warning	1292	Truncated incorrect INTEGER value: ''
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `CONVERT('',SIGNED)` int(2) NOT NULL,
  `CONCAT(CONVERT('',SIGNED))` varchar(2) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL,
  `CONVERT('',UNSIGNED)` int(1) unsigned NOT NULL,
  `CONCAT(CONVERT('',UNSIGNED))` varchar(1) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
DROP TABLE t1;
#
# MDEV-12849 Out-of-range errors when casting hex-hybrid to SIGNED and UNSIGNED
#
SET sql_mode=STRICT_ALL_TABLES;
CREATE PROCEDURE p1(hh TEXT)
BEGIN
EXECUTE IMMEDIATE
CONCAT('CREATE OR REPLACE TABLE t1 AS SELECT CAST(0x', hh, ' AS UNSIGNED) AS c');
DESCRIBE t1;
SELECT c, LENGTH(c) FROM t1;
DROP TABLE t1;
EXECUTE IMMEDIATE
CONCAT('CREATE OR REPLACE TABLE t1 AS SELECT CAST(0x', hh, ' AS SIGNED) AS c');
DESCRIBE t1;
SELECT c, LENGTH(c) FROM t1;
DROP TABLE t1;
SELECT '' AS `------`;
END
$$
CALL p1('FF');
Field	Type	Null	Key	Default	Extra
c	int(3) unsigned	NO		NULL	
c	LENGTH(c)
255	3
Field	Type	Null	Key	Default	Extra
c	int(3)	NO		NULL	
c	LENGTH(c)
255	3
------

CALL p1('FFFF');
Field	Type	Null	Key	Default	Extra
c	int(5) unsigned	NO		NULL	
c	LENGTH(c)
65535	5
Field	Type	Null	Key	Default	Extra
c	int(5)	NO		NULL	
c	LENGTH(c)
65535	5
------

CALL p1('FFFFFF');
Field	Type	Null	Key	Default	Extra
c	int(8) unsigned	NO		NULL	
c	LENGTH(c)
16777215	8
Field	Type	Null	Key	Default	Extra
c	int(8)	NO		NULL	
c	LENGTH(c)
16777215	8
------

CALL p1('FFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	int(10) unsigned	NO		NULL	
c	LENGTH(c)
4294967295	10
Field	Type	Null	Key	Default	Extra
c	bigint(10)	NO		NULL	
c	LENGTH(c)
4294967295	10
------

CALL p1('FFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(13) unsigned	NO		NULL	
c	LENGTH(c)
1099511627775	13
Field	Type	Null	Key	Default	Extra
c	bigint(13)	NO		NULL	
c	LENGTH(c)
1099511627775	13
------

CALL p1('FFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(15) unsigned	NO		NULL	
c	LENGTH(c)
281474976710655	15
Field	Type	Null	Key	Default	Extra
c	bigint(15)	NO		NULL	
c	LENGTH(c)
281474976710655	15
------

CALL p1('FFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(17) unsigned	NO		NULL	
c	LENGTH(c)
72057594037927935	17
Field	Type	Null	Key	Default	Extra
c	bigint(17)	NO		NULL	
c	LENGTH(c)
72057594037927935	17
------

CALL p1('FFFFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
18446744073709551615	20
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-1	2
------

CALL p1('FFFFFFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
18446744073709551615	20
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-1	2
------

CALL p1('FFFFFFFFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
18446744073709551615	20
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-1	2
------

CALL p1('8000000000000000');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223372036854775808	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223372036854775808	20
------

CALL p1('80000000000000FF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223372036854776063	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223372036854775553	20
------

CALL p1('800000000000FFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223372036854841343	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223372036854710273	20
------

CALL p1('8000000000FFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223372036871553023	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223372036837998593	20
------

CALL p1('80000000FFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223372041149743103	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223372032559808513	20
------

CALL p1('800000FFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223373136366403583	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223370937343148033	20
------

CALL p1('8000FFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9223653511831486463	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9223090561878065153	20
------

CALL p1('80FFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
9295429630892703743	19
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-9151314442816847873	20
------

CALL p1('8FFFFFFFFFFFFFFF');
Field	Type	Null	Key	Default	Extra
c	bigint(20) unsigned	NO		NULL	
c	LENGTH(c)
10376293541461622783	20
Field	Type	Null	Key	Default	Extra
c	bigint(20)	NO		NULL	
c	LENGTH(c)
-8070450532247928833	20
------

DROP PROCEDURE p1;
SET sql_mode=DEFAULT;
#
# MDEV-12852 Out-of-range errors when CAST(1-2 AS UNSIGNED
#
SET sql_mode=STRICT_ALL_TABLES;
CREATE TABLE t1 AS SELECT
CAST(-1 AS UNSIGNED),
CAST(1-2 AS UNSIGNED);
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
Note	1105	Cast to unsigned converted negative integer to it's positive complement
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `CAST(-1 AS UNSIGNED)` bigint(20) unsigned NOT NULL,
  `CAST(1-2 AS UNSIGNED)` bigint(20) unsigned NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
CAST(-1 AS UNSIGNED)	CAST(1-2 AS UNSIGNED)
18446744073709551615	18446744073709551615
DROP TABLE t1;
SET sql_mode=DEFAULT;
#
# MDEV-12853 Out-of-range errors when CAST('-1' AS UNSIGNED
#
SET sql_mode=STRICT_ALL_TABLES;
CREATE TABLE t1 AS SELECT CAST('-1' AS UNSIGNED);
Warnings:
Note	1105	Cast to unsigned converted negative integer to it's positive complement
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `CAST('-1' AS UNSIGNED)` bigint(20) unsigned NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_uca1400_ai_ci
SELECT * FROM t1;
CAST('-1' AS UNSIGNED)
18446744073709551615
DROP TABLE t1;
SET sql_mode=DEFAULT;
#
# MDEV-14376 Explicit CAST(CHAR(N)) erroneously escalates warnings to errors in STRICT_ALL_TABLES
#
SET sql_mode=STRICT_ALL_TABLES;
SELECT CAST('xxx' AS CHAR(1));
CAST('xxx' AS CHAR(1))
x
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
CREATE OR REPLACE TABLE t1 (a VARCHAR(1));
INSERT INTO t1 VALUES (CAST('xxx' AS CHAR(1)));
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a VARCHAR(3));
INSERT INTO t1 VALUES ('xxx');
UPDATE t1 SET a=CAST(a AS CHAR(1));
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
DROP TABLE t1;
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET latin1;
SET a=CAST('xxx' AS CHAR(1));
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET latin1;
SET a=CAST(_latin1'xxx' AS CHAR(1) CHARACTER SET latin1);
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET latin1;
SET a=CAST(_latin1'xxx' AS CHAR(1) CHARACTER SET utf8);
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET utf8;
SET a=CAST('xxx' AS CHAR(1));
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET utf8;
SET a=CAST(_latin1'xxx' AS CHAR(1) CHARACTER SET latin1);
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET utf8;
SET a=CAST(_latin1'xxx' AS CHAR(1) CHARACTER SET utf8);
END;
$$
Warnings:
Warning	1292	Truncated incorrect CHAR(1) value: 'xxx'
# Conversion problems still escalate warnings to errors (without right truncation)
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET utf8;
SET a=CAST(_utf8 0xD18F AS CHAR(1) CHARACTER SET latin1);
END;
$$
ERROR HY000: Cannot convert 'utf8mb3' character 0xD18F to 'latin1'
# Conversion problems still escalate warnings to errors (with right truncation)
BEGIN NOT ATOMIC
DECLARE a VARCHAR(30) CHARACTER SET utf8;
SET a=CAST(_utf8 0xD18FD18F AS CHAR(1) CHARACTER SET latin1);
END;
$$
ERROR HY000: Cannot convert 'utf8mb3' character 0xD18F to 'latin1'
# CAST(number AS CHAR) escalates warnings to errors on truncation
CREATE OR REPLACE TABLE t1 (a VARCHAR(10));
INSERT INTO t1 VALUES (CAST(123 AS CHAR(1)));
ERROR 22007: Truncated incorrect CHAR(1) value: '123'
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a VARCHAR(10));
INSERT INTO t1 VALUES ('1');
UPDATE t1 SET a=CAST(123 AS CHAR(1));
ERROR 22007: Truncated incorrect CHAR(1) value: '123'
DROP TABLE t1;
BEGIN NOT ATOMIC
DECLARE a VARCHAR(10);
SET a=CAST(123 AS CHAR(1));
END;
$$
ERROR 22007: Truncated incorrect CHAR(1) value: '123'
# CAST(temporal AS CHAR) escalates warnings to errors on truncation
CREATE OR REPLACE TABLE t1 (a VARCHAR(10));
INSERT INTO t1 VALUES (CAST(TIME'10:20:30' AS CHAR(1)));
ERROR 22007: Truncated incorrect CHAR(1) value: '10:20:30'
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a VARCHAR(10));
INSERT INTO t1 VALUES ('1');
UPDATE t1 SET a=CAST(TIME'10:20:30' AS CHAR(1));
ERROR 22007: Truncated incorrect CHAR(1) value: '10:20:30'
DROP TABLE t1;
BEGIN NOT ATOMIC
DECLARE a VARCHAR(10);
SET a=CAST(TIME'10:20:30' AS CHAR(1));
END;
$$
ERROR 22007: Truncated incorrect CHAR(1) value: '10:20:30'
SET sql_mode=DEFAULT;
#
# MDEV-10307 CAST(11068046444225730969 AS SIGNED) does not return a warning
#
SELECT CAST(11068046444225730969 AS SIGNED);
CAST(11068046444225730969 AS SIGNED)
-7378697629483820647
#
# MDEV-8919 Wrong result for CAST(9999999999999999999.0)
#
SET sql_mode='';
SELECT CAST(9999999999999999999e0 AS UNSIGNED);
CAST(9999999999999999999e0 AS UNSIGNED)
10000000000000000000
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (9999999999999999999e0);
SELECT * FROM t1;
a
10000000000000000000
DROP TABLE t1;
SELECT CAST(9999999999999999999.0 AS UNSIGNED);
CAST(9999999999999999999.0 AS UNSIGNED)
9999999999999999999
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (9999999999999999999.0);
SELECT * FROM t1;
a
9999999999999999999
DROP TABLE t1;
SELECT CAST(-1.0 AS UNSIGNED);
CAST(-1.0 AS UNSIGNED)
0
Warnings:
Warning	1916	Got overflow when converting '-1.0' to UNSIGNED INT. Value truncated
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (-1.0);
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0
DROP TABLE t1;
SELECT CAST(-1e0 AS UNSIGNED);
CAST(-1e0 AS UNSIGNED)
0
Warnings:
Note	1916	Got overflow when converting '-1' to UNSIGNED BIGINT. Value truncated
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (-1e0);
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0
DROP TABLE t1;
SELECT CAST(-1e308 AS UNSIGNED);
CAST(-1e308 AS UNSIGNED)
0
Warnings:
Note	1916	Got overflow when converting '-1e308' to UNSIGNED BIGINT. Value truncated
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (-1e308);
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0
DROP TABLE t1;
SELECT CAST(TIME'-00:00:01.123' AS UNSIGNED);
CAST(TIME'-00:00:01.123' AS UNSIGNED)
0
Warnings:
Note	1916	Got overflow when converting '-00:00:01.123000' to UNSIGNED BIGINT. Value truncated
CREATE TABLE t1 (a BIGINT UNSIGNED);
INSERT INTO t1 VALUES (TIME'-00:00:01.123');
Warnings:
Warning	1264	Out of range value for column 'a' at row 1
SELECT * FROM t1;
a
0
DROP TABLE t1;
CREATE TABLE t1 (a DOUBLE UNSIGNED);
INSERT INTO t1 VALUES (1.9e19);
SELECT CAST(a AS SIGNED), CAST(MIN(a) AS SIGNED) FROM t1;
CAST(a AS SIGNED)	CAST(MIN(a) AS SIGNED)
9223372036854775807	9223372036854775807
Warnings:
Note	1916	Got overflow when converting '1.9e19' to SIGNED BIGINT. Value truncated
Note	1916	Got overflow when converting '1.9e19' to SIGNED BIGINT. Value truncated
DROP TABLE t1;
CREATE TABLE t1 (a DECIMAL(30,1) UNSIGNED);
INSERT INTO t1 VALUES (1e19);
SELECT a, CAST(a AS SIGNED) FROM t1;
a	CAST(a AS SIGNED)
10000000000000000000.0	9223372036854775807
Warnings:
Warning	1916	Got overflow when converting '10000000000000000000.0' to INT. Value truncated
DROP TABLE t1;
SET sql_mode=DEFAULT;