# 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 ##############################
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)
{
$dbh = DBI->connect("DBI:MariaDB:$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);
}
$dbh = DBI->connect("DBI:MariaDB:$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);
$dbh = DBI->connect("DBI:MariaDB:$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);
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