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#######################################################
# Basic test for innodb_log_arch_dir variable #
#######################################################
--source include/have_xtradb.inc
let $datadir= `select @@datadir`;
####################################################################
# Displaying default value #
####################################################################
--replace_result $datadir ./
SELECT @@GLOBAL.innodb_log_arch_dir;
--echo NULL Expected
####################################################################
# Check if Value can set #
####################################################################
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.innodb_log_arch_dir=1;
--echo Expected error 'Read only variable'
--replace_result $datadir ./
SELECT @@GLOBAL.innodb_log_arch_dir;
--echo NULL Expected
--replace_result $datadir ./
SELECT VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_log_arch_dir';
--echo empty string Expected
############################################
# Check accessing variable without GLOBAL #
############################################
--replace_result $datadir ./
SELECT @@innodb_log_arch_dir;
--echo NULL Expected
##########################################################################
# Check if innodb_log_arch_dir can be accessed without @@ sign #
##########################################################################
--replace_result $datadir ./
SELECT @@innodb_log_arch_dir;
--echo NULL Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@local.innodb_log_arch_dir;
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@SESSION.innodb_log_arch_dir;
--echo Expected error 'Variable is a GLOBAL variable'
--replace_result $datadir ./
SELECT @@GLOBAL.innodb_log_arch_dir;
--echo NULL Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_log_arch_dir = @@SESSION.innodb_log_arch_dir;
--echo Expected error Unknown column 'innodb_log_arch_dir' in 'field list'
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