Edit File: myisam_use_mmap_basic.test
################## mysql-test\t\myisam_use_mmap_basic.test #################### # # # Variable Name: myisam_use_mmap # # Scope: Global # # Access Type: Static # # Data Type: # # # # # # Creation Date: 2008-02-07 # # Author : Sharique Abdullah # # # # # # Description:Test Cases of Dynamic System Variable myisam_use_mmap # # that checks the behavior of this variable in the following ways # # * Value Check # # * Scope Check # # # # Reference: http://dev.mysql.com/doc/refman/5.1/en/ # # server-system-variables.html # # # ############################################################################### --echo '#---------------------BS_STVARS_042_01----------------------#' #################################################################### # Displaying default value # #################################################################### SELECT COUNT(@@GLOBAL.myisam_use_mmap); --echo 1 Expected --echo '#---------------------BS_STVARS_042_02----------------------#' # # Test case for Bug #35433 # #################################################################### # Check if Value can set # #################################################################### #--error ER_INCORRECT_GLOBAL_LOCAL_VAR #SET @@GLOBAL.myisam_use_mmap=1; --ECHO "BUG:It should give error on setting this variable as it is readonly variable" --echo Expected error 'Read only variable' SELECT COUNT(@@GLOBAL.myisam_use_mmap); --echo 1 Expected --echo '#---------------------BS_STVARS_042_03----------------------#' ################################################################# # Check if the value in GLOBAL Table matches value in variable # ################################################################# SELECT IF(@@GLOBAL.myisam_use_mmap, "ON", "OFF") = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='myisam_use_mmap'; --echo 1 Expected SELECT COUNT(@@GLOBAL.myisam_use_mmap); --echo 1 Expected SELECT COUNT(VARIABLE_VALUE) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='myisam_use_mmap'; --echo 1 Expected --echo '#---------------------BS_STVARS_042_04----------------------#' ################################################################################ # Check if accessing variable with and without GLOBAL point to same variable # ################################################################################ SELECT @@myisam_use_mmap = @@GLOBAL.myisam_use_mmap; --echo 1 Expected --echo '#---------------------BS_STVARS_042_05----------------------#' ################################################################################ # Check if myisam_use_mmap can be accessed with and without @@ sign # ################################################################################ SELECT COUNT(@@myisam_use_mmap); --echo 1 Expected --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@local.myisam_use_mmap); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@SESSION.myisam_use_mmap); --echo Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.myisam_use_mmap); --echo 1 Expected --Error ER_BAD_FIELD_ERROR SELECT myisam_use_mmap = @@SESSION.myisam_use_mmap; --echo Expected error 'Readonly variable'
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