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mariadb/mysql-test/suite/sys_vars/t/innodb_use_stacktrace_basic.test

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--source include/have_xtradb.inc
SELECT COUNT(@@GLOBAL.innodb_use_stacktrace);
--echo 1 Expected
####################################################################
# Check if Value can set #
####################################################################
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.innodb_use_stacktrace=1;
--echo Expected error 'Read only variable'
SELECT COUNT(@@GLOBAL.innodb_use_stacktrace);
--echo 1 Expected
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
SELECT IF(@@GLOBAL.innodb_use_stacktrace, 'ON', 'OFF') = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_use_stacktrace';
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_use_stacktrace);
--echo 1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_use_stacktrace';
--echo 1 Expected
################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
################################################################################
SELECT @@innodb_use_stacktrace = @@GLOBAL.innodb_use_stacktrace;
--echo 1 Expected
SELECT COUNT(@@innodb_use_stacktrace);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_use_stacktrace);
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_use_stacktrace);
--echo Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.innodb_use_stacktrace);
--echo 1 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_use_stacktrace = @@SESSION.innodb_use_stacktrace;
--echo Expected error 'Readonly variable'