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################## mysql-test\t\innodb_file_io_threads_basic.test #############
# #
# Variable Name: innodb_file_io_threads #
# Scope: Global #
# Access Type: Static #
# Data Type: numeric #
# #
# #
# Creation Date: 2008-02-07 #
# Author : Sharique Abdullah #
# #
# #
# Description:Test Cases of Dynamic System Variable innodb_file_io_threads #
# 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
--echo '#---------------------BS_STVARS_027_01----------------------#'
####################################################################
# Displaying default value #
####################################################################
SELECT COUNT(@@GLOBAL.innodb_read_io_threads);
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_write_io_threads);
--echo 1 Expected
--echo '#---------------------BS_STVARS_027_02----------------------#'
####################################################################
# Check if Value can set #
####################################################################
SELECT COUNT(@@GLOBAL.innodb_read_io_threads);
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_write_io_threads);
--echo 1 Expected
--echo '#---------------------BS_STVARS_027_03----------------------#'
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
--disable_warnings
SELECT @@GLOBAL.innodb_read_io_threads = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_read_io_threads';
--enable_warnings
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_read_io_threads);
--echo 1 Expected
--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_read_io_threads';
--enable_warnings
--echo 1 Expected
--disable_warnings
SELECT @@GLOBAL.innodb_write_io_threads = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_write_io_threads';
--enable_warnings
--echo 1 Expected
SELECT COUNT(@@GLOBAL.innodb_write_io_threads);
--echo 1 Expected
--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='innodb_write_io_threads';
--enable_warnings
--echo 1 Expected
--echo '#---------------------BS_STVARS_027_04----------------------#'
################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
################################################################################
SELECT @@innodb_read_io_threads = @@GLOBAL.innodb_read_io_threads;
--echo 1 Expected
SELECT @@innodb_write_io_threads = @@GLOBAL.innodb_write_io_threads;
--echo 1 Expected
--echo '#---------------------BS_STVARS_027_05----------------------#'
################################################################################
# Check if innodb_read_io_threads can be accessed with and without @@ sign #
# Check if innodb_write_io_threads can be accessed with and without @@ sign #
################################################################################
SELECT COUNT(@@innodb_read_io_threads);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_read_io_threads);
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_read_io_threads);
--echo Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.innodb_read_io_threads);
--echo 1 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_read_io_threads = @@SESSION.innodb_read_io_threads;
--echo Expected error 'Readonly variable'
SELECT COUNT(@@innodb_write_io_threads);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.innodb_write_io_threads);
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.innodb_write_io_threads);
--echo Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.innodb_write_io_threads);
--echo 1 Expected
--Error ER_BAD_FIELD_ERROR
SELECT innodb_write_io_threads = @@SESSION.innodb_write_io_threads;
--echo Expected error 'Readonly variable'
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