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a21ef88d2a
The variables now return real values. They can't be made usual variables because they do not have DEFAULT value.
35 lines
1.3 KiB
Text
35 lines
1.3 KiB
Text
select @@global.rand_seed2;
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ERROR HY000: Variable 'rand_seed2' is a SESSION variable
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set session rand_seed2=default;
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ERROR 42000: Variable 'rand_seed2' doesn't have a default value
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set session rand_seed2=10969771;
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select @@session.rand_seed2;
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@@session.rand_seed2
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10969771
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show global variables like 'rand_seed2';
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Variable_name Value
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show session variables like 'rand_seed2';
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Variable_name Value
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rand_seed2 10969771
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select * from information_schema.global_variables where variable_name='rand_seed2';
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VARIABLE_NAME VARIABLE_VALUE
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select * from information_schema.session_variables where variable_name='rand_seed2';
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VARIABLE_NAME VARIABLE_VALUE
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RAND_SEED2 10969771
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set session rand_seed2=1;
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select @@session.rand_seed2;
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@@session.rand_seed2
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1
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select * from information_schema.global_variables where variable_name='rand_seed2';
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VARIABLE_NAME VARIABLE_VALUE
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select * from information_schema.session_variables where variable_name='rand_seed2';
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VARIABLE_NAME VARIABLE_VALUE
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RAND_SEED2 1
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set global rand_seed2=1;
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ERROR HY000: Variable 'rand_seed2' is a SESSION variable and can't be used with SET GLOBAL
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set session rand_seed2=1.1;
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ERROR 42000: Incorrect argument type to variable 'rand_seed2'
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set session rand_seed2=1e1;
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ERROR 42000: Incorrect argument type to variable 'rand_seed2'
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set session rand_seed2="foo";
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ERROR 42000: Incorrect argument type to variable 'rand_seed2'
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