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############## mysql-test\t\max_insert_delayed_threads_basic.test ############### # # # Variable Name: max_insert_delayed_threads # # Scope: GLOBAL | SESSION # # Access Type: Dynamic # # Data Type: numeric # # Default Value: 20 # # Range: 0-16384 # # # # # # Creation Date: 2008-02-07 # # Author: Salman # # # # Description: Test Cases of Dynamic System Variable max_insert_delayed_threads # # 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_insert_delayed_threads TESTS # ################################################################## ############################################################# # Save initial value # ############################################################# SET @start_global_value = @@global.max_insert_delayed_threads; SELECT @start_global_value; SET @start_session_value = @@session.max_insert_delayed_threads; SELECT @start_session_value; --echo '#--------------------FN_DYNVARS_075_01-------------------------#' ################################################################## # Display the DEFAULT value of max_insert_delayed_threads # ################################################################## SET @@global.max_insert_delayed_threads = 1000; SET @@global.max_insert_delayed_threads = DEFAULT; SELECT @@global.max_insert_delayed_threads; --Error ER_WRONG_VALUE_FOR_VAR SET @@session.max_insert_delayed_threads = 1000; SET @@session.max_insert_delayed_threads = DEFAULT; SELECT @@session.max_insert_delayed_threads; --echo '#--------------------FN_DYNVARS_075_02-------------------------#' ################################################################## # Check the DEFAULT value of max_insert_delayed_threads # ################################################################## SET @@global.max_insert_delayed_threads = DEFAULT; SELECT @@global.max_insert_delayed_threads = 20; SET @@session.max_insert_delayed_threads = DEFAULT; SELECT @@session.max_insert_delayed_threads = 20; --echo '#--------------------FN_DYNVARS_075_03-------------------------#' ############################################################################ # Change the value of max_insert_delayed_threads to a valid value for GLOBAL Scope # ############################################################################ SET @@global.max_insert_delayed_threads = 1; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = 1025; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = 0; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = 16384; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = 16383; SELECT @@global.max_insert_delayed_threads; --echo '#--------------------FN_DYNVARS_075_04-------------------------#' ############################################################################# # Change the value of max_insert_delayed_threads to a valid value for SESSION Scope # ############################################################################# --Error ER_WRONG_VALUE_FOR_VAR SET @@session.max_insert_delayed_threads = 1; SELECT @@session.max_insert_delayed_threads; --Error ER_WRONG_VALUE_FOR_VAR SET @@session.max_insert_delayed_threads = 1025; SELECT @@session.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = 0; SELECT @@session.max_insert_delayed_threads; --Error ER_WRONG_VALUE_FOR_VAR SET @@session.max_insert_delayed_threads = 16384; SELECT @@session.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = 16383; SELECT @@session.max_insert_delayed_threads; --echo '#------------------FN_DYNVARS_075_05-----------------------#' ############################################################## # Change the value of max_insert_delayed_threads to an invalid value # ############################################################## SET @@global.max_insert_delayed_threads = -1024; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = -1; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = 16385; SELECT @@global.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.max_insert_delayed_threads = 65530.34; SELECT @@global.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.max_insert_delayed_threads = test; SELECT @@global.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.max_insert_delayed_threads = ' '; SELECT @@global.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = 16385; SELECT @@session.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = -1; SELECT @@session.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = -2; SELECT @@session.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.max_insert_delayed_threads = 65530.34; SET @@session.max_insert_delayed_threads = 10737418241; SELECT @@session.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.max_insert_delayed_threads = test; SELECT @@session.max_insert_delayed_threads; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.max_insert_delayed_threads = ' '; SELECT @@session.max_insert_delayed_threads; --echo '#------------------FN_DYNVARS_075_06-----------------------#' #################################################################### # Check if the value in GLOBAL Table matches value in variable # #################################################################### --disable_warnings SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='max_insert_delayed_threads' into @tmp; --enable_warnings SELECT @@global.max_insert_delayed_threads = @tmp; --echo '#------------------FN_DYNVARS_075_07-----------------------#' #################################################################### # Check if the value in SESSION Table matches value in variable # #################################################################### --disable_warnings SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='max_insert_delayed_threads' into @tmp; --enable_warnings SELECT @@session.max_insert_delayed_threads = @tmp; --echo '#------------------FN_DYNVARS_075_08-----------------------#' #################################################################### # Check if TRUE and FALSE values can be used on variable # #################################################################### SET @@global.max_insert_delayed_threads = TRUE; SELECT @@global.max_insert_delayed_threads; SET @@global.max_insert_delayed_threads = FALSE; SELECT @@global.max_insert_delayed_threads; --echo '#---------------------FN_DYNVARS_001_09----------------------#' ################################################################################# # Check if accessing variable with and without GLOBAL point to same variable # ################################################################################# SET @@global.max_insert_delayed_threads = 2048; SELECT @@max_insert_delayed_threads = @@global.max_insert_delayed_threads; --echo '#---------------------FN_DYNVARS_001_10----------------------#' ######################################################################################################## # Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable # ######################################################################################################## --Error ER_WRONG_VALUE_FOR_VAR SET @@max_insert_delayed_threads = 100000; SELECT @@max_insert_delayed_threads = @@local.max_insert_delayed_threads; SELECT @@local.max_insert_delayed_threads = @@session.max_insert_delayed_threads; --echo '#---------------------FN_DYNVARS_001_11----------------------#' ############################################################################# # Check if max_insert_delayed_threads can be accessed with and without @@ sign # ############################################################################# --Error ER_WRONG_VALUE_FOR_VAR SET max_insert_delayed_threads = 1024; SELECT @@max_insert_delayed_threads; --Error ER_UNKNOWN_TABLE SELECT local.max_insert_delayed_threads; --Error ER_UNKNOWN_TABLE SELECT session.max_insert_delayed_threads; --Error ER_BAD_FIELD_ERROR SELECT max_insert_delayed_threads = @@session.max_insert_delayed_threads; #################################### # Restore initial value # #################################### SET @@global.max_insert_delayed_threads = @start_global_value; SELECT @@global.max_insert_delayed_threads; SET @@session.max_insert_delayed_threads = @start_session_value; SELECT @@session.max_insert_delayed_threads; ####################################################### # END OF max_insert_delayed_threads TESTS # #######################################################