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############## mysql-test\t\auto_increment_offset_basic.test ################### # # # Variable Name: auto_increment_offset # # Scope: GLOBAL & SESSION # # Access Type: Dynamic # # Data Type: Numeric # # Default Value: 1 # # Range: 1 - 65536 # # # # # # Creation Date: 2008-02-07 # # Author: Salman Rawala # # # # Description: Test Cases of Dynamic System Variable "auto_increment_offset" # # that checks 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_auto-increment-offset # # # ################################################################################ --source include/load_sysvars.inc ##################################################################### # START OF auto_increment_offset TESTS # ##################################################################### ############################################################# # Save initial value # ############################################################# SET @start_global_value = @@global.auto_increment_offset; SELECT @start_global_value; SET @start_session_value = @@session.auto_increment_offset; SELECT @start_session_value; --echo '#--------------------FN_DYNVARS_002_01-------------------------#' ##################################################################### # Display the DEFAULT value of auto_increment_offset # ##################################################################### SET @@global.auto_increment_offset = 100; SET @@global.auto_increment_offset = DEFAULT; SELECT @@global.auto_increment_offset; SET @@session.auto_increment_offset = 200; SET @@session.auto_increment_offset = DEFAULT; SELECT @@session.auto_increment_offset; --echo '#--------------------FN_DYNVARS_002_02-------------------------#' ##################################################################### # Check the DEFAULT value of auto_increment_offset # ##################################################################### SET @@global.auto_increment_offset = @start_global_value; SELECT @@global.auto_increment_offset = 1; SET @@session.auto_increment_offset = @start_session_value; SELECT @@session.auto_increment_offset = 1; --echo '#--------------------FN_DYNVARS_002_03-------------------------#' ############################################################################### # Change the value of auto_increment_offset to a valid value for GLOBAL Scope # ############################################################################### SET @@global.auto_increment_offset = 1; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = 60020; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = 65535; SELECT @@global.auto_increment_offset; --echo '#--------------------FN_DYNVARS_002_04-------------------------#' ############################################################################### # Change the value of auto_increment_offset to a valid value for SESSION Scope# ############################################################################### SET @@session.auto_increment_offset = 1; SELECT @@session.auto_increment_offset; SET @@session.auto_increment_offset = 50050; SELECT @@session.auto_increment_offset; SET @@session.auto_increment_offset = 65535; SELECT @@session.auto_increment_offset; --echo '#------------------FN_DYNVARS_002_05-----------------------#' ################################################################# # Change the value of auto_increment_offset to an invalid value # ################################################################# # for global scope SET @@global.auto_increment_offset = 0; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = -1024; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = 65536; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = 4294967295; SELECT @@global.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.auto_increment_offset = 65535.4; SELECT @@global.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.auto_increment_offset = ON; SELECT @@global.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.auto_increment_offset = OFF; SELECT @@global.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.auto_increment_offset = test; SELECT @@global.auto_increment_offset; # for session scope SET @@session.auto_increment_offset = 0; SELECT @@session.auto_increment_offset; SET @@session.auto_increment_offset = -1024; SELECT @@session.auto_increment_offset; SET @@session.auto_increment_offset = 65536; SELECT @@session.auto_increment_offset; SET @@session.auto_increment_offset = 4294967295; SELECT @@session.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.auto_increment_offset = 65535.4; SELECT @@session.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.auto_increment_offset = ON; SELECT @@session.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.auto_increment_offset = OFF; SELECT @@session.auto_increment_offset; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.auto_increment_offset = test; SELECT @@session.auto_increment_offset; --echo '#------------------FN_DYNVARS_002_06-----------------------#' #################################################################### # Check if the value in GLOBAL Table matches value in variable # #################################################################### --disable_warnings SELECT @@global.auto_increment_offset = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='auto_increment_offset'; --enable_warnings --echo '#------------------FN_DYNVARS_002_07-----------------------#' #################################################################### # Check if the value in SESSION Table matches value in variable # #################################################################### --disable_warnings SELECT @@session.auto_increment_offset = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='auto_increment_offset'; --enable_warnings --echo '#------------------FN_DYNVARS_002_08-----------------------#' #################################################################### # Check if TRUE and FALSE values can be used on variable # #################################################################### SET @@global.auto_increment_offset = TRUE; SELECT @@global.auto_increment_offset; SET @@global.auto_increment_offset = FALSE; SELECT @@global.auto_increment_offset; --echo '#---------------------FN_DYNVARS_001_09----------------------#' ############################################################################### # Check if global and session variables are independant of each other # ############################################################################### SET @@global.auto_increment_offset = 10; SET @@session.auto_increment_offset = 11; SELECT @@auto_increment_offset = @@global.auto_increment_offset; --echo '#---------------------FN_DYNVARS_001_10----------------------#' ############################################################################## # Check if accessing variable with SESSION,LOCAL and without SCOPE points # # to same session variable # ############################################################################## SET @@auto_increment_offset = 100; SELECT @@auto_increment_offset = @@local.auto_increment_offset; SELECT @@local.auto_increment_offset = @@session.auto_increment_offset; --echo '#---------------------FN_DYNVARS_001_11----------------------#' ############################################################################### # Check if auto_increment_offset can be accessed with and without @@ sign # ############################################################################### SET auto_increment_offset = 1; SELECT @@auto_increment_offset; --Error ER_UNKNOWN_TABLE SELECT local.auto_increment_offset; --Error ER_UNKNOWN_TABLE SELECT session.auto_increment_offset; --Error ER_BAD_FIELD_ERROR SELECT auto_increment_offset = @@session.auto_increment_offset; #################################### # Restore initial value # #################################### SET @@global.auto_increment_offset = @start_global_value; SELECT @@global.auto_increment_offset; SET @@session.auto_increment_offset = @start_session_value; SELECT @@session.auto_increment_offset; ################################################### # END OF auto_increment_offset TESTS # ###################################################