mariadb/mysql-test/t/myisam_use_mmap_basic.test
2008-04-30 14:49:37 +02:00

104 lines
4.3 KiB
Text

################## mysql-test\t\myisam_use_mmap_basic.test ####################
# #
# Variable Name: myisam_use_mmap #
# Scope: Global #
# Access Type: Static #
# Data Type: #
# #
# #
# Creation Date: 2008-02-07 #
# Author : Sharique Abdullah #
# #
# #
# Description:Test Cases of Dynamic System Variable myisam_use_mmap #
# 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 #
# #
###############################################################################
--echo '#---------------------BS_STVARS_042_01----------------------#'
####################################################################
# Displaying default value #
####################################################################
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
--echo 1 Expected
--echo '#---------------------BS_STVARS_042_02----------------------#'
#
# Test case for Bug #35433
#
####################################################################
# Check if Value can set #
####################################################################
#--error ER_INCORRECT_GLOBAL_LOCAL_VAR
#SET @@GLOBAL.myisam_use_mmap=1;
--ECHO "BUG:It should give error on setting this variable as it is readonly variable"
--echo Expected error 'Read only variable'
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
--echo 1 Expected
--echo '#---------------------BS_STVARS_042_03----------------------#'
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
SELECT @@GLOBAL.myisam_use_mmap = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='myisam_use_mmap';
--echo 1 Expected
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
--echo 1 Expected
SELECT COUNT(VARIABLE_VALUE)
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='myisam_use_mmap';
--echo 1 Expected
--echo '#---------------------BS_STVARS_042_04----------------------#'
################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
################################################################################
SELECT @@myisam_use_mmap = @@GLOBAL.myisam_use_mmap;
--echo 1 Expected
--echo '#---------------------BS_STVARS_042_05----------------------#'
################################################################################
# Check if myisam_use_mmap can be accessed with and without @@ sign #
################################################################################
SELECT COUNT(@@myisam_use_mmap);
--echo 1 Expected
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@local.myisam_use_mmap);
--echo Expected error 'Variable is a GLOBAL variable'
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT COUNT(@@SESSION.myisam_use_mmap);
--echo Expected error 'Variable is a GLOBAL variable'
SELECT COUNT(@@GLOBAL.myisam_use_mmap);
--echo 1 Expected
--Error ER_BAD_FIELD_ERROR
SELECT myisam_use_mmap = @@SESSION.myisam_use_mmap;
--echo Expected error 'Readonly variable'