# Copyright (C) 2010 Sun Microsystems, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

--source include/not_embedded.inc
--source include/have_perfschema.inc

#
# Only global
#

select @@global.performance_schema;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.performance_schema;

show global variables like 'performance_schema';

show session variables like 'performance_schema';

select * from information_schema.global_variables
  where variable_name='performance_schema';

select * from information_schema.session_variables
  where variable_name='performance_schema';

#
# Read-only
#

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global performance_schema=1;

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session performance_schema=1;