--source include/have_innodb.inc

SET @start_global_value = @@global.innodb_log_compressed_pages;
SELECT @start_global_value;


--echo '#---------------------BS_STVARS_028_01----------------------#'
####################################################################
#   Displaying default value                                       #
####################################################################
SELECT COUNT(@@GLOBAL.innodb_log_compressed_pages);
--echo 1 Expected


--echo '#---------------------BS_STVARS_028_02----------------------#'
####################################################################
#   Check if Value can set                                         #
####################################################################

SET @@global.innodb_log_compressed_pages = 0;
SELECT @@global.innodb_log_compressed_pages;

SET @@global.innodb_log_compressed_pages ='On' ;
SELECT @@global.innodb_log_compressed_pages;

SET @@global.innodb_log_compressed_pages ='Off' ;
SELECT @@global.innodb_log_compressed_pages;

SET @@global.innodb_log_compressed_pages = 1;
SELECT @@global.innodb_log_compressed_pages;

--echo '#---------------------BS_STVARS_028_03----------------------#'
#################################################################
# Check if the value in GLOBAL Table matches value in variable  #
#################################################################

SELECT IF(@@GLOBAL.innodb_log_compressed_pages,'ON','OFF') = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_log_compressed_pages';
--echo 1 Expected

SELECT COUNT(@@GLOBAL.innodb_log_compressed_pages);
--echo 1 Expected

SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_log_compressed_pages';
--echo 1 Expected



--echo '#---------------------BS_STVARS_028_04----------------------#'
################################################################################
#  Check if accessing variable with and without GLOBAL point to same variable  #
################################################################################
SELECT @@innodb_log_compressed_pages = @@GLOBAL.innodb_log_compressed_pages;
--echo 1 Expected



--echo '#---------------------BS_STVARS_028_05----------------------#'
################################################################################
# Check if innodb_log_compressed_pages can be accessed with and without @@ sign#
################################################################################

SELECT COUNT(@@innodb_log_compressed_pages);
--echo 1 Expected

--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_log_compressed_pages);
--echo Expected error 'Variable is a GLOBAL variable'

--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_log_compressed_pages);
--echo Expected error 'Variable is a GLOBAL variable'

SELECT COUNT(@@GLOBAL.innodb_log_compressed_pages);
--echo 1 Expected

--Error ER_BAD_FIELD_ERROR
SELECT innodb_log_compressed_pages = @@SESSION.innodb_log_compressed_pages;

#
# Cleanup
#

SET @@global.innodb_log_compressed_pages = @start_global_value;
SELECT @@global.innodb_log_compressed_pages;
