23 lines
		
	
	
		
			416 B
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			416 B
		
	
	
	
		
			Plaintext
		
	
	
	
| #
 | |
| # Test of count(distinct ..)
 | |
| #
 | |
| 
 | |
| --disable_warnings
 | |
| drop table if exists t1;
 | |
| --enable_warnings
 | |
| create table t1(n int not null, key(n)) delay_key_write = 1;
 | |
| let $1=100;
 | |
| disable_query_log;
 | |
| while ($1)
 | |
| {
 | |
|  eval insert into t1 values($1);
 | |
|  eval insert into t1 values($1);
 | |
|  dec $1;
 | |
| }
 | |
| enable_query_log;
 | |
| select count(distinct n) from t1;
 | |
| explain extended select count(distinct n) from t1;
 | |
| drop table t1;
 | |
| 
 | |
| # End of 4.1 tests
 |