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