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--source include/have_innodb.inc
let $force_pk=`select @@innodb_force_primary_key`;
SELECT COUNT(@@GLOBAL.innodb_force_primary_key);
--echo 1 Expected
####################################################################
# Check if Value can set #
####################################################################
SET @@GLOBAL.innodb_force_primary_key=1;
--echo Expected ok
SELECT COUNT(@@GLOBAL.innodb_force_primary_key);
--echo 1 Expected
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
SELECT IF(@@GLOBAL.innodb_force_primary_key, 'ON', 'OFF') = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_force_primary_key';
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_force_primary_key);
--echo 1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_force_primary_key';
--echo 1 Expected
################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
################################################################################
SELECT @@innodb_force_primary_key = @@GLOBAL.innodb_force_primary_key;
--echo 1 Expected
SELECT COUNT(@@innodb_force_primary_key);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_force_primary_key);
--echo Expected Variable 'innodb_force_primary_key' is a GLOBAL variable
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_force_primary_key);
--echo Expected Variable 'innodb_force_primary_key' is a GLOBAL variable
SELECT COUNT(@@GLOBAL.innodb_force_primary_key);
--echo 1 Expected
--disable_query_log
eval set global innodb_force_primary_key=$force_pk;
--enable_query_log
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