33 lines
624 B
Plaintext
33 lines
624 B
Plaintext
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#
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# Only global
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#
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select @@global.performance_schema;
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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select @@session.performance_schema;
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show global variables like 'performance_schema';
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show session variables like 'performance_schema';
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--disable_warnings
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select * from performance_schema.global_variables
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where variable_name='performance_schema';
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select * from performance_schema.session_variables
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where variable_name='performance_schema';
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--enable_warnings
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#
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# Read-only
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#
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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set global performance_schema=1;
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--error ER_INCORRECT_GLOBAL_LOCAL_VAR
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set session performance_schema=1;
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