mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-03 14:33:32 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			76 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
#
 | 
						|
# Test of cast function
 | 
						|
#
 | 
						|
 | 
						|
select CAST(1-2 AS UNSIGNED);
 | 
						|
select CAST(CAST(1-2 AS UNSIGNED) AS SIGNED INTEGER);
 | 
						|
select CONVERT('-1',UNSIGNED);
 | 
						|
select cast(-5 as unsigned) | 1, cast(-5 as unsigned) & -1;
 | 
						|
select cast(-5 as unsigned) -1, cast(-5 as unsigned) + 1;
 | 
						|
select ~5, cast(~5 as signed);
 | 
						|
select cast(5 as unsigned) -6.0;
 | 
						|
select cast("A" as binary) = "a", cast(BINARY "a" as CHAR) = "A";
 | 
						|
select cast("2001-1-1" as DATE), cast("2001-1-1" as DATETIME);
 | 
						|
select cast("1:2:3" as TIME);
 | 
						|
 | 
						|
#
 | 
						|
# Character set convertion
 | 
						|
#
 | 
						|
set names binary;
 | 
						|
select cast(_latin1'test' as char character set latin2);
 | 
						|
select cast(_koi8r'ÔÅÓÔ' as char character set cp1251);
 | 
						|
create table t1 select cast(_koi8r'ÔÅÓÔ' as char character set cp1251) as t;
 | 
						|
show create table t1;
 | 
						|
drop table t1;
 | 
						|
 | 
						|
#
 | 
						|
# CAST to CHAR with/without length
 | 
						|
#
 | 
						|
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;
 | 
						|
 | 
						|
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;
 | 
						|
select * from t1;
 | 
						|
show create table t1;
 | 
						|
drop table t1;
 | 
						|
 | 
						|
#
 | 
						|
# CAST to NCHAR with/without length
 | 
						|
#
 | 
						|
select
 | 
						|
  cast(_koi8r'ÆÇ'  AS nchar)    as c1,
 | 
						|
  cast(_koi8r'Æ '  AS nchar)    as c2,
 | 
						|
  cast(_koi8r'ÆÇÈ' AS nchar(2)) as c3,
 | 
						|
  cast(_koi8r'Æ  ' AS nchar(2)) as c4,
 | 
						|
  cast(_koi8r'Æ'   AS nchar(2)) as c5;
 | 
						|
 | 
						|
create table t1 select
 | 
						|
  cast(_koi8r'ÆÇ'  AS nchar)    as c1,
 | 
						|
  cast(_koi8r'Æ '  AS nchar)    as c2,
 | 
						|
  cast(_koi8r'ÆÇÈ' AS nchar(2)) as c3,
 | 
						|
  cast(_koi8r'Æ  ' AS nchar(2)) as c4,
 | 
						|
  cast(_koi8r'Æ'   AS nchar(2)) as c5;
 | 
						|
select * from t1;
 | 
						|
show create table t1;
 | 
						|
drop table t1;
 | 
						|
 | 
						|
 | 
						|
#
 | 
						|
# The following should be fixed in 4.1
 | 
						|
#
 | 
						|
 | 
						|
select cast("2001-1-1" as date) = "2001-01-01";
 | 
						|
select cast("2001-1-1" as datetime) = "2001-01-01 00:00:00";
 | 
						|
select cast("1:2:3" as TIME) = "1:02:03";
 | 
						|
select cast(NULL as DATE);
 | 
						|
select cast(NULL as BINARY);
 |