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autocommit_func2.inc
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bin_relay_log_basename_index.i...
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binlog_cache_size_basic.inc
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charset_basic.inc
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have_open_file_limit_more_than...
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join_buffer_size_basic.inc
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Code Editor : join_buffer_size_basic.inc
############## mysql-test\t\join_buffer_size_basic.test ############### # # # Variable Name: join_buffer_size # # Scope: GLOBAL | SESSION # # Access Type: Dynamic # # Data Type: numeric # # Default Value: 262144 # # Range: 8200-4294967295 # # # # # # Creation Date: 2008-02-07 # # Author: Salman # # # # Description: Test Cases of Dynamic System Variable join_buffer_size # # that checks the 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 # # # ############################################################################### --source include/load_sysvars.inc ################################################################ # START OF join_buffer_size TESTS # ################################################################ ############################################################# # Save initial value # ############################################################# SET @start_global_value = @@global.join_buffer_size; SELECT @start_global_value; SET @start_session_value = @@session.join_buffer_size; SELECT @start_session_value; --echo '#--------------------FN_DYNVARS_053_01-------------------------#' ################################################################ # Display the DEFAULT value of join_buffer_size # ################################################################ SET @@global.join_buffer_size = DEFAULT; SELECT @@global.join_buffer_size; SET @@session.join_buffer_size = DEFAULT; SELECT @@session.join_buffer_size; --echo '#--------------------FN_DYNVARS_053_03-------------------------#' ########################################################################## # Change the value of join_buffer_size to a valid value for GLOBAL Scope # ########################################################################## SET @@global.join_buffer_size = 8200; SELECT @@global.join_buffer_size; SET @@global.join_buffer_size = 65536; SELECT @@global.join_buffer_size; SET @@global.join_buffer_size = 4294967295; SELECT @@global.join_buffer_size; --echo '#--------------------FN_DYNVARS_053_04-------------------------#' ########################################################################### # Change the value of join_buffer_size to a valid value for SESSION Scope # ########################################################################### SET @@session.join_buffer_size = 8200; SELECT @@session.join_buffer_size; SET @@session.join_buffer_size = 65536; SELECT @@session.join_buffer_size; SET @@session.join_buffer_size = 4294967295; SELECT @@session.join_buffer_size; --echo '#------------------FN_DYNVARS_053_05-----------------------#' ############################################################ # Change the value of join_buffer_size to an invalid value # ############################################################ SET @@global.join_buffer_size = 0; SELECT @@global.join_buffer_size; SET @@global.join_buffer_size = -1024; SELECT @@global.join_buffer_size; SET @@global.join_buffer_size = 127; SELECT @@global.join_buffer_size; SET @@global.join_buffer_size = 42949672951; SELECT @@global.join_buffer_size; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.join_buffer_size = 65530.34; SELECT @@global.join_buffer_size; --Error ER_WRONG_TYPE_FOR_VAR SET @@global.join_buffer_size = test; SELECT @@global.join_buffer_size; SET @@session.join_buffer_size = 0; SELECT @@session.join_buffer_size; SET @@session.join_buffer_size = -1024; SELECT @@session.join_buffer_size; SET @@session.join_buffer_size = 127; SELECT @@session.join_buffer_size; SET @@session.join_buffer_size = 42949672951; SELECT @@session.join_buffer_size; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.join_buffer_size = 65530.34; SELECT @@session.join_buffer_size; --Error ER_WRONG_TYPE_FOR_VAR SET @@session.join_buffer_size = test; SELECT @@session.join_buffer_size; --echo '#------------------FN_DYNVARS_053_06-----------------------#' #################################################################### # Check if the value in GLOBAL Table matches value in variable # #################################################################### --disable_warnings SELECT @@global.join_buffer_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='join_buffer_size'; --enable_warnings --echo '#------------------FN_DYNVARS_053_07-----------------------#' #################################################################### # Check if the value in SESSION Table matches value in variable # #################################################################### --disable_warnings SELECT @@session.join_buffer_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='join_buffer_size'; --enable_warnings --echo '#------------------FN_DYNVARS_053_08-----------------------#' #################################################################### # Check if TRUE and FALSE values can be used on variable # #################################################################### SET @@global.join_buffer_size = TRUE; SET @@global.join_buffer_size = FALSE; --echo '#---------------------FN_DYNVARS_001_09----------------------#' ################################################################################# # Check if accessing variable with and without GLOBAL point to same variable # ################################################################################# SET @@global.join_buffer_size = 10; SELECT @@join_buffer_size = @@global.join_buffer_size; --echo '#---------------------FN_DYNVARS_001_10----------------------#' ######################################################################################################## # Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable # ######################################################################################################## SET @@join_buffer_size = 100; SELECT @@join_buffer_size = @@local.join_buffer_size; SELECT @@local.join_buffer_size = @@session.join_buffer_size; --echo '#---------------------FN_DYNVARS_001_11----------------------#' ############################################################################## # Check if join_buffer_size can be accessed with and without @@ sign # ############################################################################## SET join_buffer_size = 1; SELECT @@join_buffer_size; --Error ER_UNKNOWN_TABLE SELECT local.join_buffer_size; --Error ER_UNKNOWN_TABLE SELECT session.join_buffer_size; --Error ER_BAD_FIELD_ERROR SELECT join_buffer_size = @@session.join_buffer_size; #################################### # Restore initial value # #################################### SET @@global.join_buffer_size = @start_global_value; SELECT @@global.join_buffer_size; SET @@session.join_buffer_size = @start_session_value; SELECT @@session.join_buffer_size; ######################################################## # END OF join_buffer_size TESTS # ########################################################
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