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#!/usr/bin/perl -w
# Copyright (C) 2005 MySQL AB
# Use is subject to license terms
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
#
# This is a test for a key cache bug (bug #10167)
# To expose the bug mysqld should be started with --key-buffer-size=64K
#
$opt_loop_count=100000; # Change this to make test harder/easier
##################### Standard benchmark inits ##############################
use DBI;
use Getopt::Long;
use Benchmark;
package main;
$opt_skip_create=$opt_skip_in=$opt_verbose=$opt_fast_insert=
$opt_lock_tables=$opt_debug=$opt_skip_delete=$opt_fast=$opt_force=0;
$opt_host=$opt_user=$opt_password=""; $opt_db="test";
GetOptions("host=s","db=s","loop-count=i","skip-create","skip-in",
"skip-delete","verbose","fast-insert","lock-tables","debug","fast",
"force","user=s","password=s") || die "Aborted";
$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
$firsttable = "bench_f1";
$secondtable = "bench_f2";
$kill_file= "/tmp/mysqltest_index_corrupt.$$";
####
#### Start timeing and start test
####
$start_time=new Benchmark;
if (!$opt_skip_create)
{
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$dbh->do("drop table if exists $firsttable, $secondtable");
print "Creating tables in $opt_db\n";
$dbh->do("create table $firsttable (
c_pollid INTEGER NOT NULL,
c_time BIGINT NOT NULL,
c_data DOUBLE NOT NULL,
c_error INTEGER NOT NULL,
c_warning INTEGER NOT NULL,
c_okay INTEGER NOT NULL,
c_unknown INTEGER NOT NULL,
c_rolled_up BIT NOT NULL,
INDEX t_mgmt_hist_r_i1 (c_pollid),
INDEX t_mgmt_hist_r_i2 (c_time),
INDEX t_mgmt_hist_r_i3 (c_rolled_up))") or die $DBI::errstr;
$dbh->do("create table $secondtable (
c_pollid INTEGER NOT NULL,
c_min_time BIGINT NOT NULL,
c_max_time BIGINT NOT NULL,
c_min_data DOUBLE NOT NULL,
c_max_data DOUBLE NOT NULL,
c_avg_data DOUBLE NOT NULL,
c_error INTEGER NOT NULL,
c_warning INTEGER NOT NULL,
c_okay INTEGER NOT NULL,
c_unknown INTEGER NOT NULL,
c_rolled_up BIT NOT NULL,
INDEX t_mgmt_hist_d_i1 (c_pollid),
INDEX t_mgmt_hist_d_i2 (c_min_time),
INDEX t_mgmt_hist_d_i3 (c_max_time),
INDEX t_mgmt_hist_d_i4 (c_rolled_up))") or die $DBI::errstr;
$dbh->disconnect; $dbh=0; # Close handler
}
$|= 1; # Autoflush
####
#### Start the tests
####
print "Running tests\n";
insert_in_bench() if (($pid=fork()) == 0); $work{$pid}="insert";
select_from_bench() if (($pid=fork()) == 0); $work{$pid}="insert-select;
delete_from_bench() if (($pid=fork()) == 0); $work{$pid}="delete";
$errors=0;
while (($pid=wait()) != -1)
{
$ret=$?/256;
print "thread '" . $work{$pid} . "' finished with exit code $ret\n";
$errors++ if ($ret != 0);
}
if (!$opt_skip_delete && !$errors)
{
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$dbh->do("drop table $firsttable, $secondtable");
}
print ($errors ? "Test failed\n" :"Test ok\n");
$end_time=new Benchmark;
print "Total time: " .
timestr(timediff($end_time, $start_time),"noc") . "\n";
unlink $kill_file;
exit(0);
#
# Insert records in the two tables
#
sub insert_in_bench
{
my ($dbh,$rows,$found,$i);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($rows= 1; $rows <= $opt_loop_count ; $rows++)
{
$c_pollid = sprintf("%d",rand 1000);
$c_time = sprintf("%d",rand 100000);
$c_data = rand 1000000;
$test = rand 1;
$c_error=0;
$c_warning=0;
$c_okay=0;
$c_unknown=0;
if ($test < .8) {
$c_okay=1;
} elsif ($test <.9) {
$c_error=1;
} elsif ($test <.95) {
$c_warning=1;
} else {
$c_unknown=1;
}
$statement = "INSERT INTO $firsttable (c_pollid, c_time, c_data, c_error
, c_warning, c_okay, c_unknown, c_rolled_up) ".
"VALUES ($c_pollid,$c_time,$c_data,$c_error,$c_warning,$c_okay,$c_unknown,0)";
$cursor = $dbh->prepare($statement);
$cursor->execute();
$cursor->finish();
}
$dbh->disconnect; $dbh=0;
print "insert_in_bench: Inserted $rows rows\n";
# Kill other threads
open(KILLFILE, "> $kill_file");
close(KILLFILE);
exit(0);
}
sub select_from_bench
{
my ($dbh,$rows,$cursor);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($rows= 1; $rows < $opt_loop_count ; $rows++)
{
$t_value = rand 100000;
$t_value2 = $t_value+10000;
$statement = "INSERT INTO $secondtable (c_pollid, c_min_time, c_max_time
, c_min_data, c_max_data, c_avg_data, c_error, c_warning, c_okay, c_unknown, c_rolled_up) SELECT c_pollid, MIN(c_time), MAX(c_time), MIN(c_data), MAX(c_data), AVG(c_data), SUM(c_error), SUM(c_warning), SUM(c_okay), SUM(c_unknown), 0 FROM $firsttable WHERE (c_time>=$t_value) AND (c_time<$t_value2) AND (c_rolled_up=0) GROUP BY c_pollid";
$cursor = $dbh->prepare($statement);
$cursor->execute();
$cursor->finish();
sleep 1;
if (-e $kill_file)
{
last;
}
}
print "select_from_bench: insert-select executed $rows times\n";
exit(0);
}
sub delete_from_bench
{
my ($dbh,$row, $t_value, $t2_value, $statement, $cursor);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($rows= 1; $rows < $opt_loop_count ; $rows++)
{
$t_value = rand 50000;
$t2_value = $t_value + 50001;
$statement = "DELETE FROM $firsttable WHERE (c_time>$t_value) AND (c_time<$t2_value)";
$cursor = $dbh->prepare($statement);
$cursor->execute();
$cursor->finish();
sleep 10;
if (-e $kill_file)
{
last;
}
}
print "delete: delete executed $rows times\n";
exit(0);
}
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