| Current Path : /home/usr.opt/mysql57/mysql-test/suite/sys_vars/t/ |
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| Current File : /home/usr.opt/mysql57/mysql-test/suite/sys_vars/t/innodb_rollback_segments_basic.test |
# # 2011-08-01 Added # --source include/have_innodb.inc SET @start_global_value = @@global.innodb_rollback_segments; SELECT @start_global_value; # # exists as global only # --echo Valid values are zero or above SELECT @@global.innodb_rollback_segments >=0; SELECT @@global.innodb_rollback_segments <=128; SELECT @@global.innodb_rollback_segments; --error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT @@session.innodb_rollback_segments; SHOW global variables LIKE 'innodb_rollback_segments'; SHOW session variables LIKE 'innodb_rollback_segments'; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; --enable_warnings # # show that it's writable # SET global innodb_rollback_segments=100; SELECT @@global.innodb_rollback_segments; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; --enable_warnings --error ER_GLOBAL_VARIABLE SET session innodb_rollback_segments=1; # # incorrect types # --error ER_WRONG_TYPE_FOR_VAR SET global innodb_rollback_segments=1.1; --error ER_WRONG_TYPE_FOR_VAR SET global innodb_rollback_segments=1e1; --error ER_WRONG_TYPE_FOR_VAR SET global innodb_rollback_segments="foo"; SET global innodb_rollback_segments=-7; SELECT @@global.innodb_rollback_segments; --disable_warnings SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; --enable_warnings # # cleanup # SET @@global.innodb_rollback_segments = @start_global_value; SELECT @@global.innodb_rollback_segments;