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			10 lines
		
	
	
		
			311 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			10 lines
		
	
	
		
			311 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
create table bug40565(value decimal(4,2)) engine=innodb;
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insert into bug40565 values (1), (null);
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update bug40565 set value=NULL;
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affected rows: 1
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info: Rows matched: 2  Changed: 1  Warnings: 0
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update bug40565 set value=NULL;
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affected rows: 0
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info: Rows matched: 2  Changed: 0  Warnings: 0
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drop table bug40565;
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