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	The variables now return real values. They can't be made usual variables because they do not have DEFAULT value.
		
			
				
	
	
		
			37 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
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#
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# exists as a session only
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#
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# 2010-01-20 OBN - Added check for I_S value after variable value change
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#
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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select @@global.rand_seed1;
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--error ER_NO_DEFAULT
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set session rand_seed1=default;
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set session rand_seed1=10969771;
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select @@session.rand_seed1;
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show global variables like 'rand_seed1';
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show session variables like 'rand_seed1';
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select * from information_schema.global_variables where variable_name='rand_seed1';
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select * from information_schema.session_variables where variable_name='rand_seed1';
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#
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# show that it's writable (note value can be set but not read - returned value is zero)
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#
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set session rand_seed1=1;
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select @@session.rand_seed1;
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select * from information_schema.global_variables where variable_name='rand_seed1';
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select * from information_schema.session_variables where variable_name='rand_seed1';
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--error ER_LOCAL_VARIABLE
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set global rand_seed1=1;
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#
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# incorrect types
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#
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--error ER_WRONG_TYPE_FOR_VAR
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set session rand_seed1=1.1;
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--error ER_WRONG_TYPE_FOR_VAR
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set session rand_seed1=1e1;
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--error ER_WRONG_TYPE_FOR_VAR
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set session rand_seed1="foo";
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