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############## 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 # ############################################################################## --disable_warnings 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'; --enable_warnings --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 # ########################################################################