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			42 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| eval create table t1 (a float not null, primary key(a)) engine=$engine 
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| partition by key (a) (
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| partition pa1 max_rows=20 min_rows=2,
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| partition pa2 max_rows=30 min_rows=3,
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| partition pa3 max_rows=30 min_rows=4,
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| partition pa4 max_rows=40 min_rows=2);
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| show create table t1;
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| insert into t1 values (-3.402823466E+38), (3.402823466E+38), (-1.5), (-1), (0), (1), (1.5);
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| select * from t1;
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| select * from t1 where a=1.5;
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| delete from t1 where a=1.5;
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| select * from t1;
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| drop table t1;
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| 
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| eval create table t2 (a float not null, primary key(a)) engine=$engine 
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| partition by key (a) partitions 10;
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| show create table t2;
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| insert into t2 values (-3.402823466E+38), (-3.402823466E+37), (-123.456), (0), (1234546.789), (123.456), (1.5);
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| select * from t2;
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| #result set is empty: Not a bug with float!!
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| select * from t2 where a=123.456;
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| delete from t2 where a=123.456;
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| select * from t2;
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| select * from t2 where a=1.5;
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| delete from t2 where a=1.5;
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| select * from t2;
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| delete from t2;
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| let $count=$maxrows;
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| --echo $maxrows*3 inserts;
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| --disable_query_log
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| begin;
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| while ($count)
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| {
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| eval insert into t2 values ($count);
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| eval insert into t2 values ($count+0.33);
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| eval insert into t2 values ($count+0.75);
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| dec $count;
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| }
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| commit;
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| --enable_query_log
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| select count(*) from t2;
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| drop table t2;
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