Current File : //proc/self/root/usr/share/mysql-test/suite/sys_vars/t/slave_max_allowed_packet_basic.test
############## mysql-test\t\slave_max_allowed_packet_basic.test ##################
# #
# Variable Name: slave_max_allowed_packet #
# Scope: GLOBAL #
# Access Type: Dynamic #
# Data Type: numeric #
# Default Value:1073741824 #
# Range: 1024 - 1073741824 #
# #
# #
# #
# Description: Test Cases of Dynamic System Variable slave_max_allowed_packet #
# that checks the behavior of this variable in the following ways#
# * Default Value #
# * Valid & Invalid values #
# * Scope & Access method #
# * Data Integrity #
# #
###############################################################################
--source include/load_sysvars.inc
########################################################################
# START OF slave_max_allowed_packet TESTS #
########################################################################
###########################################################################
# Saving initial value of slave_max_allowed_packet in a temporary variable#
###########################################################################
SET @start_value = @@global.slave_max_allowed_packet;
SELECT @start_value;
--echo '#--------------------FN_DYNVARS_072_01------------------------#'
########################################################################
# Display the DEFAULT value of slave_max_allowed_packet #
########################################################################
SET @@global.slave_max_allowed_packet = 5000;
SET @@global.slave_max_allowed_packet = DEFAULT;
SELECT @@global.slave_max_allowed_packet;
--echo '#---------------------FN_DYNVARS_072_02-------------------------#'
###############################################
# Verify default value of variable #
###############################################
SET @@global.slave_max_allowed_packet = @start_value;
SELECT @@global.slave_max_allowed_packet = 1073741824;
--echo 'Bug# 34876: Incorrect Default Value is assigned to variable';
--echo '#--------------------FN_DYNVARS_072_03------------------------#'
########################################################################
# Change the value of slave_max_allowed_packet to a valid value #
########################################################################
SET @@global.slave_max_allowed_packet = 1024;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 1073741824;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 1073741824;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 1025;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 65535;
SELECT @@global.slave_max_allowed_packet;
--echo 'Bug# 34877: Invalid Values are coming in variable on assigning valid values';
--echo '#--------------------FN_DYNVARS_072_04-------------------------#'
###########################################################################
# Change the value of slave_max_allowed_packet to invalid value #
###########################################################################
SET @@global.slave_max_allowed_packet = -1;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 100000000000;
SELECT @@global.slave_max_allowed_packet;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.slave_max_allowed_packet = 10000.01;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = -1024;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 4294967296;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = 1023;
SELECT @@global.slave_max_allowed_packet;
--echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.slave_max_allowed_packet = ON;
SELECT @@global.slave_max_allowed_packet;
--Error ER_WRONG_TYPE_FOR_VAR
SET @@global.slave_max_allowed_packet = 'test';
SELECT @@global.slave_max_allowed_packet;
--echo '#-------------------FN_DYNVARS_072_05----------------------------#'
###########################################################################
# Test if accessing session slave_max_allowed_packet gives error #
###########################################################################
--Error ER_GLOBAL_VARIABLE
SET @@session.slave_max_allowed_packet = 4096;
--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
SELECT @@session.slave_max_allowed_packet;
--echo '#----------------------FN_DYNVARS_072_06------------------------#'
##############################################################################
# Check if the value in GLOBAL & SESSION Tables matches values in variable #
##############################################################################
SELECT @@global.slave_max_allowed_packet = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='slave_max_allowed_packet';
SELECT @@slave_max_allowed_packet = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.SESSION_VARIABLES
WHERE VARIABLE_NAME='slave_max_allowed_packet';
--echo '#---------------------FN_DYNVARS_072_07----------------------#'
###################################################################
# Check if TRUE and FALSE values can be used on variable #
###################################################################
SET @@global.slave_max_allowed_packet = TRUE;
SELECT @@global.slave_max_allowed_packet;
SET @@global.slave_max_allowed_packet = FALSE;
SELECT @@global.slave_max_allowed_packet;
--echo '#---------------------FN_DYNVARS_072_08----------------------#'
########################################################################################################
# Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable #
########################################################################################################
SET @@global.slave_max_allowed_packet = 5000;
SELECT @@slave_max_allowed_packet = @@global.slave_max_allowed_packet;
--echo '#---------------------FN_DYNVARS_072_09----------------------#'
################################################################################
# Check if slave_max_allowed_packet can be accessed with and without @@ sign #
################################################################################
--Error ER_GLOBAL_VARIABLE
SET slave_max_allowed_packet = 6000;
SELECT @@slave_max_allowed_packet;
--Error ER_PARSE_ERROR
SET local.slave_max_allowed_packet = 7000;
--Error ER_UNKNOWN_TABLE
SELECT local.slave_max_allowed_packet;
--Error ER_PARSE_ERROR
SET global.slave_max_allowed_packet = 8000;
--Error ER_UNKNOWN_TABLE
SELECT global.slave_max_allowed_packet;
--Error ER_BAD_FIELD_ERROR
SELECT slave_max_allowed_packet = @@session.slave_max_allowed_packet;
##############################
# Restore initial value #
##############################
SET @@global.slave_max_allowed_packet = @start_value;
SELECT @@global.slave_max_allowed_packet;
########################################################################
# END OF slave_max_allowed_packet TESTS #
########################################################################
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