Edit File: transaction_prealloc_size_basic.test
############## mysql-test\t\transaction_prealloc_size_basic.test ############## # # # Variable Name: transaction_prealloc_size # # Scope: GLOBAL | SESSION # # Access Type: Dynamic # # Data Type: numeric # # Default Value: 4096 # # Range: 1024-131072 # # # # # # Creation Date: 2008-02-14 # # Author: Sharique Abdullah # # # # Description: Test Cases of Dynamic System Variable transaction_prealloc_size# # 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#option_mysqld_transaction_prealloc_size # # # ############################################################################### --source include/load_sysvars.inc ######################################################################## # START OF transaction_prealloc_size TESTS # ######################################################################## ############################################################# # Save initial value # ############################################################# SET @start_global_value = @@global.transaction_prealloc_size; SELECT @start_global_value; SET @start_session_value = @@session.transaction_prealloc_size; SELECT @start_session_value; --echo '#--------------------FN_DYNVARS_005_01-------------------------#' ######################################################################## # Display the DEFAULT value of transaction_prealloc_size # ######################################################################## SET @@global.transaction_prealloc_size = 100; SET @@global.transaction_prealloc_size = DEFAULT; SELECT @@global.transaction_prealloc_size; SET @@session.transaction_prealloc_size = 200; SET @@session.transaction_prealloc_size = DEFAULT; SELECT @@session.transaction_prealloc_size; --echo '#--------------------FN_DYNVARS_005_02-------------------------#' ######################################################################## # Check the DEFAULT value of transaction_prealloc_size # ######################################################################## SET @@global.transaction_prealloc_size = DEFAULT; SELECT @@global.transaction_prealloc_size = 4096; SET @@session.transaction_prealloc_size = DEFAULT; SELECT @@session.transaction_prealloc_size = 4096; --echo '#--------------------FN_DYNVARS_005_03-------------------------#' ################################################################## # Change the value of variable to a valid value for GLOBAL Scope # ################################################################## SET @@global.transaction_prealloc_size = 1024; SELECT @@global.transaction_prealloc_size; SET @@global.transaction_prealloc_size = 60020; SELECT @@global.transaction_prealloc_size; --echo '#--------------------FN_DYNVARS_005_04-------------------------#' ################################################################### # Change the value of variable to a valid value for SESSION Scope # ################################################################### SET @@session.transaction_prealloc_size = 1024; SELECT @@session.transaction_prealloc_size; SET @@session.transaction_prealloc_size = 65535; SELECT @@session.transaction_prealloc_size; --echo '#------------------FN_DYNVARS_005_05-----------------------#' ##################################################################### # Change the value of transaction_prealloc_size to an invalid value # ##################################################################### SET @@global.transaction_prealloc_size = 0; SELECT @@global.transaction_prealloc_size; SET @@global.transaction_prealloc_size = -1024; SELECT @@global.transaction_prealloc_size; -- Error ER_WRONG_TYPE_FOR_VAR SET @@global.transaction_prealloc_size = ON; -- Error ER_WRONG_TYPE_FOR_VAR SET @@global.transaction_prealloc_size = OFF; SET @@global.transaction_prealloc_size = True; SELECT @@global.transaction_prealloc_size; SET @@global.transaction_prealloc_size = False; SELECT @@global.transaction_prealloc_size; -- Error ER_WRONG_TYPE_FOR_VAR SET @@global.transaction_prealloc_size = 65530.34; -- Error ER_WRONG_TYPE_FOR_VAR SET @@global.transaction_prealloc_size ="Test"; SET @@global.transaction_prealloc_size = 1000; SELECT @@global.transaction_prealloc_size; -- Error ER_WRONG_TYPE_FOR_VAR SET @@session.transaction_prealloc_size = ON; -- Error ER_WRONG_TYPE_FOR_VAR SET @@session.transaction_prealloc_size = OFF; SET @@session.transaction_prealloc_size = True; SELECT @@session.transaction_prealloc_size; SET @@session.transaction_prealloc_size = False; SELECT @@session.transaction_prealloc_size; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.transaction_prealloc_size = "Test"; SET @@session.transaction_prealloc_size = 135217728; SELECT @@session.transaction_prealloc_size; --echo '#------------------FN_DYNVARS_005_06-----------------------#' #################################################################### # Check if the value in GLOBAL Table matches value in variable # #################################################################### SELECT @@global.transaction_prealloc_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='transaction_prealloc_size'; --echo '#------------------FN_DYNVARS_005_07-----------------------#' #################################################################### # Check if the value in SESSION Table matches value in variable # #################################################################### SELECT @@session.transaction_prealloc_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='transaction_prealloc_size'; --echo '#---------------------FN_DYNVARS_001_09----------------------#' ########################################################################### # Check if global and session variable are independent of each other # ########################################################################### SET @@global.transaction_prealloc_size = 1024; SET @@global.transaction_prealloc_size = 10; SELECT @@transaction_prealloc_size = @@global.transaction_prealloc_size; --echo '#---------------------FN_DYNVARS_001_10----------------------#' ######################################################################## # Check if accessing variable with SESSION,LOCAL and without SCOPE # # points to same session variable # ######################################################################## SET @@transaction_prealloc_size = 100; SELECT @@transaction_prealloc_size = @@local.transaction_prealloc_size; SELECT @@local.transaction_prealloc_size = @@session.transaction_prealloc_size; --echo '#---------------------FN_DYNVARS_001_11----------------------#' ############################################################################### # Check if transaction_prealloc_size can be accessed with and without @@ sign # ############################################################################### SET transaction_prealloc_size = 1027; SELECT @@transaction_prealloc_size; --Error ER_UNKNOWN_TABLE SELECT local.transaction_prealloc_size; --Error ER_UNKNOWN_TABLE SELECT session.transaction_prealloc_size; --Error ER_BAD_FIELD_ERROR SELECT transaction_prealloc_size = @@session.transaction_prealloc_size; #################################### # Restore initial value # #################################### SET @@global.transaction_prealloc_size = @start_global_value; SELECT @@global.transaction_prealloc_size; SET @@session.transaction_prealloc_size = @start_session_value; SELECT @@session.transaction_prealloc_size; ############################################################# # END OF transaction_prealloc_size TESTS # #############################################################
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