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	The variables now return real values. They can't be made usual variables because they do not have DEFAULT value.
		
			
				
	
	
		
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| select @@global.rand_seed1;
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| ERROR HY000: Variable 'rand_seed1' is a SESSION variable
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| set session rand_seed1=default;
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| ERROR 42000: Variable 'rand_seed1' doesn't have a default value
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| set session rand_seed1=10969771;
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| select @@session.rand_seed1;
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| @@session.rand_seed1
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| 10969771
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| show global variables like 'rand_seed1';
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| Variable_name	Value
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| show session variables like 'rand_seed1';
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| Variable_name	Value
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| rand_seed1	10969771
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| select * from information_schema.global_variables where variable_name='rand_seed1';
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| VARIABLE_NAME	VARIABLE_VALUE
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| select * from information_schema.session_variables where variable_name='rand_seed1';
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| VARIABLE_NAME	VARIABLE_VALUE
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| RAND_SEED1	10969771
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| set session rand_seed1=1;
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| select @@session.rand_seed1;
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| @@session.rand_seed1
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| 1
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| select * from information_schema.global_variables where variable_name='rand_seed1';
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| VARIABLE_NAME	VARIABLE_VALUE
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| select * from information_schema.session_variables where variable_name='rand_seed1';
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| VARIABLE_NAME	VARIABLE_VALUE
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| RAND_SEED1	1
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| set global rand_seed1=1;
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| ERROR HY000: Variable 'rand_seed1' is a SESSION variable and can't be used with SET GLOBAL
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| set session rand_seed1=1.1;
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| ERROR 42000: Incorrect argument type to variable 'rand_seed1'
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| set session rand_seed1=1e1;
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| ERROR 42000: Incorrect argument type to variable 'rand_seed1'
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| set session rand_seed1="foo";
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| ERROR 42000: Incorrect argument type to variable 'rand_seed1'
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