Current File : //usr/share/mysql-test/suite/sys_vars/inc/max_seeks_for_key_basic.inc
############## mysql-test\t\max_seeks_for_key_basic.test ###############
# #
# Variable Name: max_seeks_for_key #
# Scope: GLOBAL | SESSION #
# Access Type: Dynamic #
# Data Type: numeric #
# Default Value: 4294967295 #
# Range: 1-4294967295 #
# #
# #
# Creation Date: 2008-02-07 #
# Author: Salman #
# #
# Description: Test Cases of Dynamic System Variable max_seeks_for_key #
# that checks the behavior of this variable in the following ways#
# * Default Value #
# * Valid & Invalid values #
# * Scope & Access method #
# * Data Integrity #
# #
# Reference: http://dev.mysql.com/doc/refman/5.1/en/ #
# server-system-variables.html #
# #
###############################################################################
--source include/load_sysvars.inc
#################################################################
# START OF max_seeks_for_key TESTS #
#################################################################
#############################################################
# Save initial value #
#############################################################
SET @start_global_value = @@global.max_seeks_for_key;
SELECT @start_global_value;
SET @start_session_value = @@session.max_seeks_for_key;
SELECT @start_session_value;
--echo '#--------------------FN_DYNVARS_083_01-------------------------#'
#################################################################
# Display the DEFAULT value of max_seeks_for_key #
#################################################################
SET @@global.max_seeks_for_key = 100;
SET @@global.max_seeks_for_key = DEFAULT;
SELECT @@global.max_seeks_for_key;
SET @@session.max_seeks_for_key = 200;
SET @@session.max_seeks_for_key = DEFAULT;
SELECT @@session.max_seeks_for_key;
--echo '#--------------------FN_DYNVARS_083_02-------------------------#'
#################################################################
# Check the DEFAULT value of max_seeks_for_key #
#################################################################
SET @@global.max_seeks_for_key = DEFAULT;
SELECT @@global.max_seeks_for_key = 4294967295;
SET @@session.max_seeks_for_key = DEFAULT;
SELECT @@session.max_seeks_for_key = 4294967295;
--echo '#--------------------FN_DYNVARS_083_03-------------------------#'
###########################################################################
# Change the value of max_seeks_for_key to a valid value for GLOBAL Scope #
###########################################################################
SET @@global.max_seeks_for_key = 1;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = 2;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = 65536;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = 4294967295;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = 4294967294;
SELECT @@global.max_seeks_for_key;
--echo '#--------------------FN_DYNVARS_083_04-------------------------#'
############################################################################
# Change the value of max_seeks_for_key to a valid value for SESSION Scope #
############################################################################
SET @@session.max_seeks_for_key = 1;
SELECT @@session.max_seeks_for_key;
SET @@session.max_seeks_for_key = 2;
SELECT @@session.max_seeks_for_key;
SET @@session.max_seeks_for_key = 4294967295;
SELECT @@session.max_seeks_for_key;
SET @@session.max_seeks_for_key = 4294967294;
SELECT @@session.max_seeks_for_key;
SET @@session.max_seeks_for_key = 65535;
SELECT @@session.max_seeks_for_key;
--echo '#------------------FN_DYNVARS_083_05-----------------------#'
#############################################################
# Change the value of max_seeks_for_key to an invalid value #
#############################################################
SET @@global.max_seeks_for_key = 0;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = -1024;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = 4294967296;
SELECT @@global.max_seeks_for_key;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.max_seeks_for_key = 65530.34;
SELECT @@global.max_seeks_for_key;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.max_seeks_for_key = test;
SELECT @@global.max_seeks_for_key;
SET @@session.max_seeks_for_key = 0;
SELECT @@session.max_seeks_for_key;
SET @@session.max_seeks_for_key = -2;
SELECT @@session.max_seeks_for_key;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.max_seeks_for_key = 65530.34;
SET @@session.max_seeks_for_key = 4294967296;
SELECT @@session.max_seeks_for_key;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@session.max_seeks_for_key = test;
SELECT @@session.max_seeks_for_key;
--echo '#------------------FN_DYNVARS_083_06-----------------------#'
####################################################################
# Check if the value in GLOBAL Table matches value in variable #
####################################################################
SELECT @@global.max_seeks_for_key = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='max_seeks_for_key';
--echo '#------------------FN_DYNVARS_083_07-----------------------#'
####################################################################
# Check if the value in SESSION Table matches value in variable #
####################################################################
SELECT @@session.max_seeks_for_key = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='max_seeks_for_key';
--echo '#------------------FN_DYNVARS_083_08-----------------------#'
####################################################################
# Check if TRUE and FALSE values can be used on variable #
####################################################################
SET @@global.max_seeks_for_key = TRUE;
SELECT @@global.max_seeks_for_key;
SET @@global.max_seeks_for_key = FALSE;
SELECT @@global.max_seeks_for_key;
--echo '#---------------------FN_DYNVARS_083_09----------------------#'
#################################################################################
# Check if accessing variable with and without GLOBAL point to same variable #
#################################################################################
SET @@global.max_seeks_for_key = 10;
SELECT @@max_seeks_for_key = @@global.max_seeks_for_key;
--echo '#---------------------FN_DYNVARS_083_10----------------------#'
########################################################################################################
# Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable #
########################################################################################################
SET @@max_seeks_for_key = 100;
SELECT @@max_seeks_for_key = @@local.max_seeks_for_key;
SELECT @@local.max_seeks_for_key = @@session.max_seeks_for_key;
--echo '#---------------------FN_DYNVARS_083_11----------------------#'
############################################################################
# Check if max_seeks_for_key can be accessed with and without @@ sign #
############################################################################
SET max_seeks_for_key = 1;
SELECT @@max_seeks_for_key;
--Error ER_UNKNOWN_TABLE
SELECT local.max_seeks_for_key;
--Error ER_UNKNOWN_TABLE
SELECT session.max_seeks_for_key;
--Error ER_BAD_FIELD_ERROR
SELECT max_seeks_for_key = @@session.max_seeks_for_key;
####################################
# Restore initial value #
####################################
SET @@global.max_seeks_for_key = @start_global_value;
SELECT @@global.max_seeks_for_key;
SET @@session.max_seeks_for_key = @start_session_value;
SELECT @@session.max_seeks_for_key;
#############################################################
# END OF max_seeks_for_key TESTS #
#############################################################
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