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Final fix for bug#36522 in 5.1. This new fix was necessary due to fix of bug 37708.
This commit is contained in:
Horst Hunger
178
mysql-test/suite/sys_vars/inc/query_cache_limit_basic.inc
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178
mysql-test/suite/sys_vars/inc/query_cache_limit_basic.inc
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############## mysql-test\t\query_cache_limit_basic.test ###############
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# #
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# Variable Name: query_cache_limit #
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# Scope: GLOBAL #
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# Access Type: Dynamic #
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# Data Type: numeric #
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# Default Value: 1048576 #
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# Min value: 0 #
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# #
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# #
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# Creation Date: 2008-02-07 #
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# Author: Salman #
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# #
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# Description: Test Cases of Dynamic System Variable query_cache_limit #
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# that checks the behavior of this variable in the following ways#
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# * Default Value #
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# * Valid & Invalid values #
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# * Scope & Access method #
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# * Data Integrity #
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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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--source include/have_query_cache.inc
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--source include/load_sysvars.inc
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########################################################################
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# START OF query_cache_limit TESTS #
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########################################################################
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########################################################################
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# Saving initial value of query_cache_limit in a temporary variable #
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########################################################################
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SET @start_value = @@global.query_cache_limit;
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SELECT @start_value;
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--echo '#--------------------FN_DYNVARS_131_01------------------------#'
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########################################################################
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# Display the DEFAULT value of query_cache_limit #
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########################################################################
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SET @@global.query_cache_limit = 99;
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SET @@global.query_cache_limit = DEFAULT;
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SELECT @@global.query_cache_limit;
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--echo '#---------------------FN_DYNVARS_131_02-------------------------#'
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###############################################
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# Verify default value of variable #
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###############################################
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SET @@global.query_cache_limit = @start_value;
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SELECT @@global.query_cache_limit = 1048576;
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--echo '#--------------------FN_DYNVARS_131_03------------------------#'
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########################################################################
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# Change the value of query_cache_limit to a valid value #
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########################################################################
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SET @@global.query_cache_limit = 0;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 1;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 1048576;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 1048575;
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SELECT @@global.query_cache_limit;
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--echo '#--------------------FN_DYNVARS_131_04-------------------------#'
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###########################################################################
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# Change the value of query_cache_limit to invalid value #
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###########################################################################
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SET @@global.query_cache_limit = -1;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 4294967296;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 10240022115;
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SELECT @@global.query_cache_limit;
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--Error ER_WRONG_TYPE_FOR_VAR
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SET @@global.query_cache_limit = 10000.01;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = -1024;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = 42949672950;
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SELECT @@global.query_cache_limit;
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--echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
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--Error ER_WRONG_TYPE_FOR_VAR
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SET @@global.query_cache_limit = ON;
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SELECT @@global.query_cache_limit;
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--Error ER_WRONG_TYPE_FOR_VAR
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SET @@global.query_cache_limit = 'test';
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SELECT @@global.query_cache_limit;
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--echo '#-------------------FN_DYNVARS_131_05----------------------------#'
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###########################################################################
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# Test if accessing session query_cache_limit gives error #
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###########################################################################
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--Error ER_GLOBAL_VARIABLE
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SET @@session.query_cache_limit = 0;
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SELECT @@query_cache_limit;
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--echo '#----------------------FN_DYNVARS_131_06------------------------#'
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##############################################################################
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# Check if the value in GLOBAL & SESSION Tables matches values in variable #
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##############################################################################
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SELECT @@global.query_cache_limit = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='query_cache_limit';
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SELECT @@query_cache_limit = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.SESSION_VARIABLES
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WHERE VARIABLE_NAME='query_cache_limit';
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--echo '#---------------------FN_DYNVARS_131_07----------------------#'
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###################################################################
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# Check if TRUE and FALSE values can be used on variable #
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###################################################################
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SET @@global.query_cache_limit = TRUE;
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SELECT @@global.query_cache_limit;
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SET @@global.query_cache_limit = FALSE;
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SELECT @@global.query_cache_limit;
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--echo '#---------------------FN_DYNVARS_131_08----------------------#'
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########################################################################################################
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# Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable #
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########################################################################################################
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SET @@global.query_cache_limit = 1;
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SELECT @@query_cache_limit = @@global.query_cache_limit;
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--echo '#---------------------FN_DYNVARS_131_09----------------------#'
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##########################################################################
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# Check if query_cache_limit can be accessed with and without @@ sign #
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##########################################################################
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--Error ER_GLOBAL_VARIABLE
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SET query_cache_limit = 1;
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SELECT @@query_cache_limit;
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--Error ER_PARSE_ERROR
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SET local.query_cache_limit = 1;
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--Error ER_UNKNOWN_TABLE
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SELECT local.query_cache_limit;
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--Error ER_PARSE_ERROR
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SET global.query_cache_limit = 1;
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--Error ER_UNKNOWN_TABLE
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SELECT global.query_cache_limit;
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--Error ER_BAD_FIELD_ERROR
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SELECT query_cache_limit = @@session.query_cache_limit;
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##############################
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# Restore initial value #
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##############################
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SET @@global.query_cache_limit = @start_value;
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SELECT @@global.query_cache_limit;
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########################################################################
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# END OF query_cache_limit TESTS #
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########################################################################
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