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--source include/not_embedded.inc --source include/have_perfschema.inc # # Only global # select @@global.performance_schema_max_cond_classes; --error ER_INCORRECT_GLOBAL_LOCAL_VAR select @@session.performance_schema_max_cond_classes; show global variables like 'performance_schema_max_cond_classes'; show session variables like 'performance_schema_max_cond_classes'; --disable_warnings select * from information_schema.global_variables where variable_name='performance_schema_max_cond_classes'; select * from information_schema.session_variables where variable_name='performance_schema_max_cond_classes'; --enable_warnings # # Read-only # --error ER_INCORRECT_GLOBAL_LOCAL_VAR set global performance_schema_max_cond_classes=1; --error ER_INCORRECT_GLOBAL_LOCAL_VAR set session performance_schema_max_cond_classes=1;