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################## mysql-test\t\innodb_buffer_pool_size_basic.test ############
# #
# Variable Name: innodb_buffer_pool_size #
# Scope: Global #
# Access Type: Static #
# Data Type: numeric #
# #
# #
# Creation Date: 2008-02-07 #
# Author : Sharique Abdullah #
# #
# #
# Description:Test Cases of Dynamic System Variable innodb_buffer_pool_size #
# that checks the behavior of this variable in the following ways #
# * Value Check #
# * Scope Check #
# #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/ #
# server-system-variables.html #
# #
###############################################################################
--source include/have_innodb.inc
let $wait_condition =
SELECT SUBSTR(variable_value, 1, 30) = 'Completed resizing buffer pool'
FROM information_schema.global_status
WHERE LOWER(variable_name) = 'innodb_buffer_pool_resize_status';
SET @start_buffer_pool_size = @@GLOBAL.innodb_buffer_pool_size;
--echo '#---------------------BS_STVARS_022_01----------------------#'
####################################################################
# Displaying default value #
####################################################################
SELECT COUNT(@@GLOBAL.innodb_buffer_pool_size);
--echo 1 Expected
--echo '#---------------------BS_STVARS_022_02----------------------#'
####################################################################
# Check if Value can set #
####################################################################
SET @@GLOBAL.innodb_buffer_pool_size=10485760;
--echo Expected succeeded
--source include/wait_condition.inc
SELECT COUNT(@@GLOBAL.innodb_buffer_pool_size);
--echo 1 Expected
--echo '#---------------------BS_STVARS_022_03----------------------#'
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
--disable_warnings
SELECT @@GLOBAL.innodb_buffer_pool_size = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_buffer_pool_size';
--enable_warnings
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_buffer_pool_size);
--echo 1 Expected
--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_buffer_pool_size';
--enable_warnings
--echo 1 Expected
--echo '#---------------------BS_STVARS_022_04----------------------#'
################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
################################################################################
SELECT @@innodb_buffer_pool_size = @@GLOBAL.innodb_buffer_pool_size;
--echo 1 Expected
--echo '#---------------------BS_STVARS_022_05----------------------#'
################################################################################
# Check if innodb_buffer_pool_size can be accessed with and without @@ sign #
################################################################################
SELECT COUNT(@@innodb_buffer_pool_size);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_buffer_pool_size);
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_buffer_pool_size);
--echo Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.innodb_buffer_pool_size);
--echo 1 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_buffer_pool_size = @@SESSION.innodb_buffer_pool_size;
# Restore the original buffer pool size.
--source include/restart_mysqld.inc
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