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