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			Bug#7834 Illegal mix of collations in IN operator IN was the first function supporting character set convertion. agg_arg_charsets() was written afterwards, which is more flexible. Now IN just reuses this function.
		
			
				
	
	
		
			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # Initialise
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| --disable_warnings
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| drop table if exists t1;
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| --enable_warnings
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| #
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| # test of IN (NULL)
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| #
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| 
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| select 1 in (1,2,3);
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| select 10 in (1,2,3);
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| select NULL in (1,2,3);
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| select 1 in (1,NULL,3);
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| select 3 in (1,NULL,3);
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| select 10 in (1,NULL,3);
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| select 1.5 in (1.5,2.5,3.5);
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| select 10.5 in (1.5,2.5,3.5);
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| select NULL in (1.5,2.5,3.5);
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| select 1.5 in (1.5,NULL,3.5);
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| select 3.5 in (1.5,NULL,3.5);
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| select 10.5 in (1.5,NULL,3.5);
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| 
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| CREATE TABLE t1 (a int, b int, c int);
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| insert into t1 values (1,2,3), (1,NULL,3);
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| select 1 in (a,b,c) from t1;
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| select 3 in (a,b,c) from t1;
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| select 10 in (a,b,c) from t1;
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| select NULL in (a,b,c) from t1;
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| drop table t1;
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| CREATE TABLE t1 (a float, b float, c float);
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| insert into t1 values (1.5,2.5,3.5), (1.5,NULL,3.5);
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| select 1.5 in (a,b,c) from t1;
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| select 3.5 in (a,b,c) from t1;
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| select 10.5 in (a,b,c) from t1;
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| drop table t1;
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| CREATE TABLE t1 (a varchar(10), b varchar(10), c varchar(10));
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| insert into t1 values ('A','BC','EFD'), ('A',NULL,'EFD');
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| select 'A' in (a,b,c) from t1;
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| select 'EFD' in (a,b,c) from t1;
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| select 'XSFGGHF' in (a,b,c) from t1;
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| drop table t1;
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| 
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| CREATE TABLE t1 (field char(1));
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| INSERT INTO t1 VALUES ('A'),(NULL);
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| SELECT * from t1 WHERE field IN (NULL);
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| SELECT * from t1 WHERE field NOT IN (NULL);
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| SELECT * from t1 where field = field;
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| SELECT * from t1 where field <=> field;
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| DELETE FROM t1 WHERE field NOT IN (NULL);
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| SELECT * FROM t1;
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| drop table t1;
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| 
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| create table t1 (id int(10) primary key);
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| insert into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9);
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| select * from t1 where id in (2,5,9);
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| drop table t1;
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| 
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| create table t1 (
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| a char(1) character set latin1 collate latin1_general_ci,
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| b char(1) character set latin1 collate latin1_swedish_ci,
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| c char(1) character set latin1 collate latin1_danish_ci
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| );
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| insert into t1 values ('A','B','C');
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| insert into t1 values ('a','c','c');
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| --error 1267
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| select * from t1 where a in (b);
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| --error 1270
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| select * from t1 where a in (b,c);
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| --error 1271
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| select * from t1 where 'a' in (a,b,c);
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| select * from t1 where 'a' in (a);
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| select * from t1 where a in ('a');
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| select * from t1 where 'a' collate latin1_general_ci in (a,b,c);
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| select * from t1 where 'a' collate latin1_bin in (a,b,c);
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| select * from t1 where 'a' in (a,b,c collate latin1_bin);
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| explain extended select * from t1 where 'a' in (a,b,c collate latin1_bin);
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| drop table t1;
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| 
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| set names utf8;
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| create table t1 (a char(10) character set utf8 not null);
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| insert into t1 values ('bbbb'),(_koi8r'<27><><EFBFBD><EFBFBD>'),(_latin1'<27><><EFBFBD><EFBFBD>');
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| select a from t1 where a in ('bbbb',_koi8r'<27><><EFBFBD><EFBFBD>',_latin1'<27><><EFBFBD><EFBFBD>') order by a;
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| drop table t1;
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| # Bug#7834 Illegal mix of collations in IN operator
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| create table t1 (a char(10) character set latin1 not null);
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| insert into t1 values ('a'),('b'),('c');
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| select a from t1 where a IN ('a','b','c') order by a;
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| drop table t1;
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| set names latin1;
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| 
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| select '1.0' in (1,2);
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| select 1 in ('1.0',2);
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| select 1 in (1,'2.0');
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| select 1 in ('1.0',2.0);
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| select 1 in (1.0,'2.0');
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| select 1 in ('1.1',2);
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| select 1 in ('1.1',2.0);
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| 
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| # Test case for bug #6365
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| 
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| create table t1 (a char(20) character set binary);
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| insert into t1 values ('aa'), ('bb');
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| select * from t1 where a in (NULL, 'aa');
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| drop table t1;
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