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Directory :  /usr/local/mysql/mysql-test/suite/sys_vars/t/

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Current File : /usr/local/mysql/mysql-test/suite/sys_vars/t/innodb_undo_tablespaces_basic.test
################## mysql-test/t/innodb_undo_tablespaces_basic.test ############
#                                                                             #
# Variable Name: innodb_undo_tablespaces                                      #
# Scope: Global                                                               #
# Access Type: Static                                                         #
# Data Type: string                                                           #
#                                                                             #
#                                                                             #
# Creation Date: 2011-07-05                                                   #
# Author : Sunny Bains                                                        #
#                                                                             #
#                                                                             #
# Description: Read-only config global variable innodb_undo_tablespaces       #
#              * Value check                                                  #
#              * Scope check                                                  #
#                                                                             #
###############################################################################

--source include/have_innodb.inc

SELECT @@GLOBAL.innodb_undo_tablespaces >= 0;
let $undo_tablespaces=`SELECT @@GLOBAL.innodb_undo_tablespaces`;


####################################################################
#   Check if value can be set                                      #
####################################################################

--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@GLOBAL.innodb_undo_tablespaces=128;
--echo Expected error 'Read only variable'

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


################################################################################
# Check if the value in GLOBAL table matches value in variable                 #
################################################################################

--disable_warnings
--disable_query_log
eval SELECT VARIABLE_VALUE-$undo_tablespaces DIFFERENCE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_undo_tablespaces';
--enable_query_log
--enable_warnings
--echo 0 Expected


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


################################################################################
#   Check if innodb_undo_tablespaces can be accessed with and without @@ sign  #
################################################################################

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

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

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

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

--Error ER_BAD_FIELD_ERROR
SELECT innodb_undo_tablespaces = @@SESSION.innodb_undo_tablespaces;
--echo Expected error 'Readonly variable'

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