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			13 lines
		
	
	
	
		
			475 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
	
		
			475 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| SET @saved_dbug = @@SESSION.debug_dbug;
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| set session debug_dbug="+d,optimizer_innodb_icp";
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| CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY
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| KEY(c1), UNIQUE INDEX(c2)) engine=innodb;
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| INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01');
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| SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;
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| c1	c2	c3
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| 08:29:45	NULL	2009-02-01
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| SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;
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| c1	c2	c3
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| 08:29:45	NULL	2009-02-01
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| drop table `t1`;
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| SET debug_dbug= @saved_dbug;
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