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#!/usr/bin/perl -w
# Copyright (C) 2000 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 with uses processes to insert, select and drop tables.
#
$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_db="test";
GetOptions("host=s","db=s","loop-count=i","skip-create","skip-in","skip-delete",
"verbose","fast-insert","lock-tables","debug","fast","force") || die "Aborted";
$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
print "Testing 5 multiple connections to a server with 1 insert, 2 drop/rename\n";
print "1 select and 1 flush thread\n";
$firsttable = "bench_f1";
####
#### 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, ${firsttable}_1, ${firsttable}_2");
print "Creating table $firsttable in database $opt_db\n";
$dbh->do("create table $firsttable (id int(6) not null, info varchar(32), marker char(1), primary key(id))") || die $DBI::errstr;
$dbh->disconnect; $dbh=0; # Close handler
}
$|= 1; # Autoflush
####
#### Start the tests
####
test_insert() if (($pid=fork()) == 0); $work{$pid}="insert";
test_drop(1) if (($pid=fork()) == 0); $work{$pid}="drop 1";
test_drop(2) if (($pid=fork()) == 0); $work{$pid}="drop 2";
test_select() if (($pid=fork()) == 0); $work{$pid}="select";
test_flush() if (($pid=fork()) == 0); $work{$pid}="flush";
$errors=0;
while (($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");
$dbh->disconnect; $dbh=0; # Close handler
}
print ($errors ? "Test failed\n" :"Test ok\n");
$end_time=new Benchmark;
print "Total time: " .
timestr(timediff($end_time, $start_time),"noc") . "\n";
exit(0);
#
# Insert records in the table
#
sub test_insert
{
my ($dbh,$i);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
for ($i=0 ; $i < $opt_loop_count; $i++)
{
if (!$dbh->do("insert into $firsttable values ($i,'This is entry $i','')"))
{
print "Warning; Got error on insert: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/));
}
}
$dbh->disconnect; $dbh=0;
print "Test_insert: Inserted $i rows\n";
exit(0);
}
sub test_drop
{
my ($id) = @_;
my ($dbh,$i,$sth,$error_counter,$sleep_time);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$error_counter=0;
$sleep_time=2;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
sleep($sleep_time);
# Check if insert thread is ready
$sth=$dbh->prepare("select count(*) from $firsttable") || die "Got error on select from $firsttable: $dbh->errstr\n";
if (!$sth->execute || !(@row = $sth->fetchrow_array()) ||
!$row[0])
{
$sth->finish;
$sleep_time=1;
last if ($error_counter++ == 5);
next;
}
$sleep_time=2;
$sth->finish;
# Change to use a new table
$dbh->do("create table ${firsttable}_$id (id int(6) not null, info varchar(32), marker char(1), primary key(id))") || die $DBI::errstr;
$dbh->do("drop table if exists $firsttable") || die "Got error on drop table: $dbh->errstr\n";
if (!$dbh->do("alter table ${firsttable}_$id rename to $firsttable"))
{
print "Warning; Got error from alter table: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /already exist/));
$dbh->do("drop table if exists ${firsttable}_$id") || die "Got error on drop table: $dbh->errstr\n";
}
}
$dbh->do("drop table if exists $firsttable,${firsttable}_$id") || die "Got error on drop table: $dbh->errstr\n";
$dbh->disconnect; $dbh=0;
print "Test_drop: Did a drop $i times\n";
exit(0);
}
#
# select records
#
sub test_select
{
my ($dbh,$i,$sth,@row,$error_counter,$sleep_time);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$error_counter=0;
$sleep_time=3;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
sleep($sleep_time);
$sth=$dbh->prepare("select sum(t.id) from $firsttable as t,$firsttable as t2") || die "Got error on select: $dbh->errstr;\n";
if ($sth->execute)
{
@row = $sth->fetchrow_array();
$sth->finish;
$sleep_time=3;
}
else
{
print "Warning; Got error from select: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/));
$sth->finish;
last if ($error_counter++ == 5);
$sleep_time=1;
}
}
$dbh->disconnect; $dbh=0;
print "Test_select: ok\n";
exit(0);
}
#
# flush records
#
sub test_flush
{
my ($dbh,$i,$sth,@row,$error_counter,$sleep_time);
$dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
$opt_user, $opt_password,
{ PrintError => 0}) || die $DBI::errstr;
$error_counter=0;
$sleep_time=5;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
sleep($sleep_time);
$sth=$dbh->prepare("select count(*) from $firsttable") || die "Got error on prepar: $dbh->errstr;\n";
if ($sth->execute)
{
@row = $sth->fetchrow_array();
$sth->finish;
$sleep_time=5;
$dbh->do("flush tables $firsttable") || die "Got error on flush table: " . $dbh->errstr . "\n";
}
else
{
print "Warning; Got error from select: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/));
$sth->finish;
last if ($error_counter++ == 5);
$sleep_time=1;
}
}
$dbh->disconnect; $dbh=0;
print "Test_select: ok\n";
exit(0);
}
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