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58 lines
1.8 KiB
Text
58 lines
1.8 KiB
Text
select CAST(1-2 AS UNSIGNED);
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CAST(1-2 AS UNSIGNED)
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18446744073709551615
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select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
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CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER)
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-1
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select CONVERT('-1',UNSIGNED);
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CONVERT('-1',UNSIGNED)
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18446744073709551615
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select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
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cast(-5 as unsigned) | 1 cast(-5 as unsigned) & -1
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18446744073709551611 18446744073709551611
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select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
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cast(-5 as unsigned) -1 cast(-5 as unsigned) + 1
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18446744073709551610 18446744073709551612
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select ~5, cast(~5 as signed);
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~5 cast(~5 as signed)
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18446744073709551610 -6
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select cast(5 as unsigned) -6.0;
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cast(5 as unsigned) -6.0
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-1.0
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select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
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cast("A" as binary) = "a" cast(BINARY "a" as CHAR) = "A"
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0 1
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select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
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cast("2001-1-1" as DATE) cast("2001-1-1" as DATETIME)
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2001-01-01 2001-01-01 00:00:00
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select cast("1:2:3" as TIME);
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cast("1:2:3" as TIME)
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01:02:03
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select cast(_latin1'test' as char character set latin2);
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cast(_latin1'test' as char character set latin2)
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test
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select cast(_koi8r'ÔÅÓÔ' as char character set cp1251);
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cast(_koi8r'ÔÅÓÔ' as char character set cp1251)
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òåñò
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create table t1 select cast(_koi8r'ÔÅÓÔ' as char character set cp1251) as t;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`t` char(4) character set cp1251 NOT NULL default ''
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) TYPE=MyISAM CHARSET=latin1
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drop table t1;
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select cast("2001-1-1" as date) = "2001-01-01";
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cast("2001-1-1" as date) = "2001-01-01"
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0
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select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
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cast("2001-1-1" as datetime) = "2001-01-01 00:00:00"
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0
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select cast("1:2:3" as TIME) = "1:02:03";
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cast("1:2:3" as TIME) = "1:02:03"
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0
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select cast(NULL as DATE);
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cast(NULL as DATE)
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NULL
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select cast(NULL as BINARY);
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cast(NULL as BINARY)
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NULL
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