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host_cache_size_functionality.test
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############################################################################### # # # Variable Name: Host_Cache_Size # # Scope: Global # # Access Type: Dynamic # # Data Type: numeric # # # # # # Creation Date: 2012-08-31 # # Author : Tanjot Singh Uppal # # # # # # Description:Test Cases of Dynamic System Variable Host_Cache_Size # # 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 --disable_warnings echo '#________________________VAR_06_Host_Cache_Size__________________#' echo '##' --echo '#---------------------WL6372_VAR_6_01----------------------#' #################################################################### # Checking default value # #################################################################### SELECT COUNT(@@GLOBAL.Host_Cache_Size); --echo 1 Expected set @Default_host_cache_size=(select if(if(@@global.max_connections<500,128+@@global.max_connections,128+@@global.max_connections+floor((@@global.max_connections-500)/20))>2000,2000,if(@@global.max_connections<500,128+@@global.max_connections,128+@@global.max_connections+floor((@@global.max_connections-500)/20)))); select @@global.Host_Cache_Size=@Default_host_cache_size; --echo 1 Expected --echo '#---------------------WL6372_VAR_6_02----------------------#' ################################################################################# # Checking the Default value post starting the server with other value # ################################################################################# --echo # Restart server with Host_Cache_Size 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:--host_cache_size=1 " > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect -- enable_reconnect -- source include/wait_until_connected_again.inc --disable_warnings SELECT @@GLOBAL.Host_Cache_Size; --echo 1 Expected set @Default_host_cache_size=(select if(if(@@global.max_connections<500,128+@@global.max_connections,128+@@global.max_connections+floor((@@global.max_connections-500)/20))>2000,2000,if(@@global.max_connections<500,128+@@global.max_connections,128+@@global.max_connections+floor((@@global.max_connections-500)/20)))); SET @@GLOBAL.Host_Cache_Size=DEFAULT; select @@global.Host_Cache_Size=@Default_host_cache_size; --echo 1 Expected --echo '#---------------------WL6372_VAR_6_03----------------------#' #################################################################### # Checking Value can be set - Dynamic # #################################################################### --error ER_GLOBAL_VARIABLE SET @@local.Host_Cache_Size=1; --echo Expected error 'Global variable' --error ER_GLOBAL_VARIABLE SET @@session.Host_Cache_Size=1; --echo Expected error 'Global variable' SET @@GLOBAL.Host_Cache_Size=1; SET @@GLOBAL.Host_Cache_Size=DEFAULT; SELECT COUNT(@@GLOBAL.Host_Cache_Size); --echo 1 Expected select @@global.Host_Cache_Size=@Default_host_cache_size; --echo 1 Expected --echo '#---------------------WL6372_VAR_6_04----------------------#' ################################################################# # Check if the value in GLOBAL Table matches value in variable # ################################################################# SELECT @@GLOBAL.Host_Cache_Size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='Host_Cache_Size'; --echo 1 Expected SELECT COUNT(@@GLOBAL.Host_Cache_Size); --echo 1 Expected SELECT COUNT(VARIABLE_VALUE) FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='Host_Cache_Size'; --echo 1 Expected --echo '#---------------------WL6372_VAR_6_05----------------------#' ################################################################################ # Checking Variable Scope # ################################################################################ SELECT @@Host_Cache_Size = @@GLOBAL.Host_Cache_Size; --echo 1 Expected --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@local.Host_Cache_Size); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@SESSION.Host_Cache_Size); --echo Expected error 'Variable is a GLOBAL variable' SELECT COUNT(@@GLOBAL.Host_Cache_Size); --echo 1 Expected --Error ER_BAD_FIELD_ERROR SELECT Host_Cache_Size = @@SESSION.Host_Cache_Size; --echo Expected error 'Unknown column Host_Cache_Size in field list' #The below check has been commented out as the IP fetch is different in a P2P connection than BroadBand connection #--echo '#---------------------WL6372_VAR_6_06----------------------#' ############################################################################### # Checking the Host cahce functionality # ############################################################################### #SET @@GLOBAL.Host_Cache_Size=2; #--disable_warnings #--perl #my $ip=`ifconfig | egrep "inet addr|inet" | sed -e 's/^.*inet addr://' -e 's/^.*inet//'| sed 's/ .*\$//'|egrep -i "broadcast|bcast"|head -1|awk '{print $1}'`; #open (LOGFH, ">" . $ENV{'MYSQL_TMP_DIR'} . "/bind_ip"); #print LOGFH "let \$bind_ip = $ip;\n"; #close LOGFH; #EOF #--source $MYSQL_TMP_DIR/bind_ip #--remove_file $MYSQL_TMP_DIR/bind_ip #let $restart_file= $MYSQLTEST_VARDIR/tmp/mysqld.1.expect; #--exec echo "wait" > $restart_file #--shutdown_server 10 #--source include/wait_until_disconnected.inc #-- exec echo "restart:--bind-address=$bind_ip " > $MYSQLTEST_VARDIR/tmp/mysqld.1.expect #-- enable_reconnect #-- source include/wait_until_connected_again.inc #connection default; #--disable_warnings #create user binduser; #grant all on *.* to binduser; #select count(IP) from performance_schema.host_cache; #--echo 0 Expected #connect (con1,$bind_ip,binduser,,); #select count(IP) from performance_schema.host_cache; #--echo 1 Expected #disconnect con1; #connection default; #--disable_warnings # The below check is hashed until the BUG14689561# is fixed # #flush hosts; #connect (con2,$bind_ip,binduser,,); #select count(IP) from performance_schema.host_cache; #--echo 1 Expected #disconnect con2; SET @@GLOBAL.Host_Cache_Size=DEFAULT;