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216 lines
9.5 KiB
SQL
216 lines
9.5 KiB
SQL
############## mysql-test\t\join_buffer_size_basic.test ###############
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# #
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# Variable Name: join_buffer_size #
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# Scope: GLOBAL | SESSION #
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# Access Type: Dynamic #
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# Data Type: numeric #
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# Default Value: 131072 #
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# Range: 8200-4294967295 #
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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 join_buffer_size #
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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/load_sysvars.inc
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################################################################
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# START OF join_buffer_size TESTS #
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################################################################
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#############################################################
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# Save initial value #
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#############################################################
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SET @start_global_value = @@global.join_buffer_size;
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SELECT @start_global_value;
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SET @start_session_value = @@session.join_buffer_size;
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SELECT @start_session_value;
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--echo '#--------------------FN_DYNVARS_053_01-------------------------#'
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################################################################
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# Display the DEFAULT value of join_buffer_size #
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################################################################
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SET @@global.join_buffer_size = 8200;
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SET @@global.join_buffer_size = DEFAULT;
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SELECT @@global.join_buffer_size;
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SET @@session.join_buffer_size = 8200;
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SET @@session.join_buffer_size = DEFAULT;
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SELECT @@session.join_buffer_size;
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--echo '#--------------------FN_DYNVARS_053_02-------------------------#'
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###################################################################
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# Check the DEFAULT value of join_buffer_size #
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###################################################################
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SET @@global.join_buffer_size = DEFAULT;
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SELECT @@global.join_buffer_size = 131072;
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SET @@session.join_buffer_size = DEFAULT;
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SELECT @@session.join_buffer_size = 131072;
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--echo '#--------------------FN_DYNVARS_053_03-------------------------#'
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##########################################################################
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# Change the value of join_buffer_size to a valid value for GLOBAL Scope #
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##########################################################################
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SET @@global.join_buffer_size = 8200;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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SET @@global.join_buffer_size = 65536;
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SELECT @@global.join_buffer_size;
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SET @@global.join_buffer_size = 4294967295;
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SELECT @@global.join_buffer_size;
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echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
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--echo '#--------------------FN_DYNVARS_053_04-------------------------#'
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###########################################################################
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# Change the value of join_buffer_size to a valid value for SESSION Scope #
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###########################################################################
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SET @@session.join_buffer_size = 8200;
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SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228;
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SET @@session.join_buffer_size = 65536;
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SELECT @@session.join_buffer_size;
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SET @@session.join_buffer_size = 4294967295;
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SELECT @@session.join_buffer_size;
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echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
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--echo '#------------------FN_DYNVARS_053_05-----------------------#'
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############################################################
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# Change the value of join_buffer_size to an invalid value #
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############################################################
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SET @@global.join_buffer_size = 0;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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SET @@global.join_buffer_size = -1024;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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SET @@global.join_buffer_size = 8199;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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SET @@global.join_buffer_size = 42949672951;
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SELECT @@global.join_buffer_size;
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--Error ER_PARSE_ERROR
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SET @@global.join_buffer_size = 65530.34.;
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SELECT @@global.join_buffer_size;
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--Error ER_WRONG_TYPE_FOR_VAR
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SET @@global.join_buffer_size = test;
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SELECT @@global.join_buffer_size;
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SET @@session.join_buffer_size = 0;
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SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228;
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SET @@session.join_buffer_size = -2;
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SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228;
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SET @@session.join_buffer_size = 8199;
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SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228;
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SET @@session.join_buffer_size = 42949672951;
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SELECT @@session.join_buffer_size;
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--Error ER_PARSE_ERROR
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SET @@session.join_buffer_size = 65530.34.;
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SELECT @@session.join_buffer_size;
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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 @@session.join_buffer_size = test;
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SELECT @@session.join_buffer_size;
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--echo '#------------------FN_DYNVARS_053_06-----------------------#'
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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.join_buffer_size = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
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WHERE VARIABLE_NAME='join_buffer_size';
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--echo '#------------------FN_DYNVARS_053_07-----------------------#'
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####################################################################
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# Check if the value in SESSION Table matches value in variable #
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####################################################################
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SELECT @@session.join_buffer_size = VARIABLE_VALUE
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FROM INFORMATION_SCHEMA.SESSION_VARIABLES
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WHERE VARIABLE_NAME='join_buffer_size';
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--echo '#------------------FN_DYNVARS_053_08-----------------------#'
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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.join_buffer_size = TRUE;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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SET @@global.join_buffer_size = FALSE;
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SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228;
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--echo 'Bug: Errors are not coming on assigning TRUE/FALSE to variable';
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--echo '#---------------------FN_DYNVARS_001_09----------------------#'
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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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SET @@global.join_buffer_size = 10;
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SELECT @@join_buffer_size = @@global.join_buffer_size;
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--echo '#---------------------FN_DYNVARS_001_10----------------------#'
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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 @@join_buffer_size = 100;
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SELECT @@join_buffer_size = @@local.join_buffer_size;
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SELECT @@local.join_buffer_size = @@session.join_buffer_size;
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--echo '#---------------------FN_DYNVARS_001_11----------------------#'
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##############################################################################
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# Check if join_buffer_size can be accessed with and without @@ sign #
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##############################################################################
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SET join_buffer_size = 1;
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SELECT @@join_buffer_size=8200 OR @@join_buffer_size= 8228;
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--Error ER_UNKNOWN_TABLE
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SELECT local.join_buffer_size;
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--Error ER_UNKNOWN_TABLE
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SELECT session.join_buffer_size;
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--Error ER_BAD_FIELD_ERROR
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SELECT join_buffer_size = @@session.join_buffer_size;
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####################################
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# Restore initial value #
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####################################
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SET @@global.join_buffer_size = @start_global_value;
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SELECT @@global.join_buffer_size;
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SET @@session.join_buffer_size = @start_session_value;
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SELECT @@session.join_buffer_size;
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########################################################
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# END OF join_buffer_size TESTS #
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########################################################
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