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			70 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| #
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| # Test of procedure analyse
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| #
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| 
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| --disable_warnings
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| drop table if exists t1,t2;
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| --enable_warnings
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| create table t1 (i int, j int, empty_string char(10), bool char(1), d date);
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| insert into t1 values (1,2,"","Y","2002-03-03"), (3,4,"","N","2002-03-04"), (5,6,"","Y","2002-03-04"), (7,8,"","N","2002-03-05");
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| select count(*) from t1 procedure analyse();
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| select * from t1 procedure analyse();
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| select * from t1 procedure analyse(2);
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| create table t2 select * from t1 procedure analyse();
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| select * from t2;
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| drop table t1,t2;
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| 
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| EXPLAIN SELECT 1 FROM (SELECT 1) a PROCEDURE ANALYSE();
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| 
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| #
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| # Test with impossible where
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| #
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| create table t1 (a int not null);
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| create table t2 select * from t1 where 0=1 procedure analyse();
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| show create table t2;
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| select * from t1 where 0=1 procedure analyse();
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| insert into t1 values(1);
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| drop table t2;
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| create table t2 select * from t1 where 0=1 procedure analyse();
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| show create table t2;
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| select * from t2;
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| insert into t2 select * from t1 procedure analyse();
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| select * from t2;
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| insert into t1 values(2);
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| drop table t2;
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| create table t2 select * from t1 where 0=1 procedure analyse();
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| show create table t2;
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| select * from t2;
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| insert into t2 select * from t1 procedure analyse();
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| select * from t2;
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| drop table t1,t2;
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| 
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| #
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| # Bug#2813 - analyse does not quote string values in enums from string
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| #
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| 
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| create table t1 (v varchar(128));
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| insert into t1 values ('abc'),('abc\'def\\hij\"klm\0opq'),('\''),('\"'),('\\'),('a\0'),('b\''),('c\"'),('d\\'),('\'b'),('\"c'),('\\d'),('a\0\0\0b'),('a\'\'\'\'b'),('a\"\"\"\"b'),('a\\\\\\\\b'),('\'\0\\\"'),('\'\''),('\"\"'),('\\\\'),('The\ZEnd');
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| select * from t1 procedure analyse();
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| drop table t1;
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| 
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| #decimal-related test
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| 
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| create table t1 (df decimal(5,1));
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| insert into t1 values(1.1);
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| insert into t1 values(2.2);
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| select * from t1 procedure analyse();
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| drop table t1;
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| 
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| #
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| # Bug#10716 - Procedure Analyse results in wrong values for optimal field type
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| #
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| 
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| create table t1 (d double);
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| insert into t1 values (100000);
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| select * from t1 procedure analyse (1,1);
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| drop table t1;
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| 
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| # End of 4.1 tests
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| 
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