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table_definition_cache_functionality.test
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############################################################################### # # # Variable Name: table_definition_cache # # Scope: Global # # Access Type: Dynamic # # Data Type: numeric # # # # # # Creation Date: 2012-08-31 # # Author : Tanjot Singh Uppal # # # # # # Description:Test Cases of Dynamic System Variable table_definition_cache # # that checks the behavior of this variable in the following ways # # * Value Check # # * Scope Check # # * Functionality Check # # * Accessability Check # # # # This test does not perform the crash recovery on this variable # # For crash recovery test on default change please run the ibtest # ############################################################################### -- source include/have_innodb.inc -- source include/not_embedded.inc -- source include/have_innodb_16k.inc echo '#________________________VAR_05_table_definition_cache__________________#' echo '##' --echo '#---------------------WL6372_VAR_5_01----------------------#' #################################################################### # Checking default value # #################################################################### SELECT COUNT(@@GLOBAL.table_definition_cache); --echo 1 Expected SET @@GLOBAL.table_definition_cache=DEFAULT; SELECT IF (@@open_files_limit < 5000, 1400, @@GLOBAL.table_definition_cache); --echo 1400 Expected --echo '#---------------------WL6372_VAR_5_02----------------------#' ################################################################################# # Checking the Default value post starting the server with other value # ################################################################################# --echo # Restart server with table_definition_cache 1 let $restart_file= $MYSQLTEST_VARDIR/tmp/mysqld.1.expect; --exec echo "wait" > $restart_file --shutdown_server 10 --source include/wait_until_disconnected.inc -- exec echo "restart:--table_definition_cache=2000 " > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect -- enable_reconnect -- source include/wait_until_connected_again.inc SELECT @@GLOBAL.table_definition_cache; --echo 2000 Expected SET @@GLOBAL.table_definition_cache=DEFAULT; SELECT IF (@@open_files_limit < 5000, 1400, @@GLOBAL.table_definition_cache); --echo 1400 Expected --echo '#---------------------WL6372_VAR_5_03----------------------#' #################################################################### # Checking Value can be set - Dynamic # #################################################################### --error ER_GLOBAL_VARIABLE SET @@local.table_definition_cache=1; --echo Expected error 'Global variable' --error ER_GLOBAL_VARIABLE SET @@session.table_definition_cache=1; --echo Expected error 'Global variable' --disable_warnings SET @@GLOBAL.table_definition_cache=1; --enable_warnings SET @@GLOBAL.table_definition_cache=DEFAULT; SELECT IF (@@open_files_limit < 5000, 1400, @@GLOBAL.table_definition_cache); --echo 1400 Expected --echo '#---------------------WL6372_VAR_5_04----------------------#' ################################################################# # Check if the value in GLOBAL Table matches value in variable # ################################################################# SELECT @@GLOBAL.table_definition_cache = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='table_definition_cache'; --echo 1 Expected SELECT COUNT(@@GLOBAL.table_definition_cache); --echo 1 Expected SELECT COUNT(VARIABLE_VALUE) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='table_definition_cache'; --echo 1 Expected --echo '#---------------------WL6372_VAR_5_05----------------------#' ################################################################################ # Checking Variable Scope # ################################################################################ SELECT @@table_definition_cache = @@GLOBAL.table_definition_cache; --echo 1 Expected --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@local.table_definition_cache); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@SESSION.table_definition_cache); --echo Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.table_definition_cache); --echo 1 Expected --Error ER_BAD_FIELD_ERROR SELECT table_definition_cache = @@SESSION.table_definition_cache; --echo Expected error 'Unknown column table_definition_cache in field list' --echo '#---------------------WL6372_VAR_5_06----------------------#' ############################################################################### # Checking the /Var directory size # ############################################################################### -- source include/vardir_size_check.inc --echo TRUE Expected --echo '#---------------------WL6372_VAR_5_07----------------------#' ################################################################################# # Checking the size of table definition cache functionality # ################################################################################# flush tables; flush status; set @Open_table_definitions = (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions'); set @Opened_table_definitions = (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions'); --echo # create 2 tables --disable_warnings DROP TABLE IF EXISTS tab1; DROP TABLE IF EXISTS tab2; --enable_warnings let $table = tab1; --source include/create_table.inc let $table = tab2; --source include/create_table.inc select (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 2; --echo 1 Expected --echo # open two tables select 1 from tab1; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 1; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 3; --echo 1 Expected select 1 from tab2; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 2; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4; --echo 1 Expected DROP TABLE IF EXISTS tab1; select (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 1; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4; --echo 1 Expected DROP TABLE IF EXISTS tab2; select (select variable_value from information_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions; --echo 1 Expected select (select variable_value from information_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4; --echo 1 Expected --echo #cleanup set @@GLOBAL.table_definition_cache=DEFAULT;