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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/not_valgrind.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, 2000, @@GLOBAL.table_definition_cache);
--echo 2000 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
--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, 2000, @@GLOBAL.table_definition_cache);
--echo 2000 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, 2000, @@GLOBAL.table_definition_cache);
--echo 2000 Expected
--echo '#---------------------WL6372_VAR_5_04----------------------#'
#################################################################
# Check if the value in GLOBAL Table matches value in variable #
#################################################################
--disable_warnings
SELECT @@GLOBAL.table_definition_cache = VARIABLE_VALUE
FROM performance_schema.global_variables
WHERE VARIABLE_NAME='table_definition_cache';
--enable_warnings
--echo 1 Expected
SELECT COUNT(@@GLOBAL.table_definition_cache);
--echo 1 Expected
--disable_warnings
SELECT COUNT(VARIABLE_VALUE)
FROM performance_schema.global_variables
WHERE VARIABLE_NAME='table_definition_cache';
--enable_warnings
--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;
--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;
# With new data dictionary (DD) introduced, the size of table definition cache
# is bit more than expected.
set @dd_definitions = 14;
--disable_warnings
set @Open_table_definitions = (select variable_value from performance_schema.session_status where variable_name ='Open_table_definitions') + @dd_definitions;
set @Opened_table_definitions = (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') + @dd_definitions;
--enable_warnings
--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
--disable_warnings
select (select variable_value from performance_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions;
--echo 1 Expected
select (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 2;
--enable_warnings
--echo 1 Expected
--echo # open two tables
select 1 from tab1;
--echo 1 Expected
--disable_warnings
select (select variable_value from performance_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 1;
--echo 1 Expected
select (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 3;
--enable_warnings
--echo 1 Expected
select 1 from tab2;
--echo 1 Expected
--disable_warnings
select (select variable_value from performance_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 2;
--echo 1 Expected
select (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4;
--enable_warnings
--echo 1 Expected
DROP TABLE IF EXISTS tab1;
# Two extra tables appear since DROP TABLE needs to delete entries for the
# table being dropped from mysql.index_stats and mysql.table_stats.
--disable_warnings
select (select variable_value from performance_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 1 + 2;
--echo 1 Expected
select (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4 + 2;
--enable_warnings
--echo 1 Expected
DROP TABLE IF EXISTS tab2;
--disable_warnings
select (select variable_value from
performance_schema.session_status where variable_name ='Open_table_definitions') = @Open_table_definitions + 2;
--echo 1 Expected
select (select variable_value from performance_schema.session_status where variable_name ='Opened_table_definitions') = @Opened_table_definitions + 4 + 2;
--enable_warnings
--echo 1 Expected
--echo #cleanup
set @@GLOBAL.table_definition_cache=DEFAULT;
|
