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#!/usr/bin/perl
#
use DBI;
use Benchmark;
$opt_loop_count=100000; # number of rows/3
$small_loop_count=10; # Loop for full table retrieval
$range_loop_count=$small_loop_count*50;
$many_keys_loop_count=$opt_loop_count;
chomp($pwd = `pwd`); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
if ($opt_loop_count < 256)
{
$opt_loop_count=256; # Some tests must have some data to work!
}
if ($opt_small_test)
{
$opt_loop_count/=100;
$range_loop_count/=10;
$many_keys_loop_count=$opt_loop_count/10;
}
elsif ($opt_small_tables)
{
$opt_loop_count=10000; # number of rows/3
$many_keys_loop_count=$opt_loop_count;
}
elsif ($opt_small_key_tables)
{
$many_keys_loop_count/=10;
}
print "Testing the speed difference between some table types\n";
####
#### Generating random keys
####
print "Generating random keys\n";
$random[$opt_loop_count]=0;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$random[$i]=$i+$opt_loop_count;
}
my $tmpvar=1;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$tmpvar^= ((($tmpvar + 63) + $i)*3 % $opt_loop_count);
$swap=$tmpvar % $opt_loop_count;
$tmp=$random[$i]; $random[$i]=$random[$swap]; $random[$swap]=$tmp;
}
$total_rows=$opt_loop_count*3;
####
#### Connect and start timeing
####
$start_time=new Benchmark;
$dbh = $server->connect();
####
#### Create needed tables
####
$table_name="bench1";
test($table_name,"type=isam","char");
test($table_name,"type=myisam pack_keys=0","char");
test($table_name,"type=myisam pack_keys=0","char");
test($table_name,"type=myisam pack_keys=0 checksum=1","char");
test($table_name,"type=myisam pack_keys=1","char");
test($table_name,"type=isam","varchar");
test($table_name,"type=myisam pack_keys=1","varchar");
test($table_name,"type=myisam pack_keys=0","varchar");
test($table_name,"type=myisam pack_keys=0 checksum=1","varchar");
#test("type=heap","char"); # The default table sizes is a bit big for this one
$dbh->disconnect;
exit (0);
sub test {
my ($name,$options,$chartype)=@_;
print "\nTesting with options: '$options'\n";
$dbh->do("drop table $name");
do_many($dbh,$server->create("$name",
["id int NOT NULL",
"id2 int NOT NULL",
"id3 int NOT NULL",
"dummy1 $chartype(30)"],
["primary key (id,id2)",
"index index_id3 (id3)"],
$options));
if ($opt_lock_tables)
{
$sth = $dbh->do("LOCK TABLES $name WRITE") || die $DBI::errstr;
}
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(\$dbh,1);
}
####
#### Insert $total_rows records in order, in reverse order and random.
####
$loop_time=new Benchmark;
if ($opt_fast_insert)
{
$query="insert into $name values ";
}
else
{
$query="insert into $name (id,id2,id3,dummy1) values ";
}
if (($opt_fast || $opt_fast_insert) && $limits->{'multi_value_insert'})
{
$query_size=$server->{'limits'}->{'query_size'};
print "Inserting $opt_loop_count multiple-value rows in order\n";
$res=$query;
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$tmp= "($i,$i,$i,'ABCDEFGHIJ'),";
if (length($tmp)+length($res) < $query_size)
{
$res.= $tmp;
}
else
{
$sth = $dbh->do(substr($res,0,length($res)-1)) or die $DBI::errstr;
$res=$query . $tmp;
}
}
print "Inserting $opt_loop_count multiple-value rows in reverse order\n";
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$tmp= "(" . ($total_rows-1-$i) . "," .($total_rows-1-$i) .
"," .($total_rows-1-$i) . ",'BCDEFGHIJK'),";
if (length($tmp)+length($res) < $query_size)
{
$res.= $tmp;
}
else
{
$sth = $dbh->do(substr($res,0,length($res)-1)) or die $DBI::errstr;
$res=$query . $tmp;
}
}
print "Inserting $opt_loop_count multiple-value rows in random order\n";
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$tmp= "(" . $random[$i] . "," . $random[$i] . "," . $random[$i] .
",'CDEFGHIJKL')," or die $DBI::errstr;
if (length($tmp)+length($res) < $query_size)
{
$res.= $tmp;
}
else
{
$sth = $dbh->do(substr($res,0,length($res)-1)) or die $DBI::errstr;
$res=$query . $tmp;
}
}
$sth = $dbh->do(substr($res,0,length($res)-1)) or die $DBI::errstr;
}
else
{
print "Inserting $opt_loop_count rows in order\n";
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->do($query . "($i,$i,$i,'ABCDEFGHIJ')") or die $DBI::errstr;
}
print "Inserting $opt_loop_count rows in reverse order\n";
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->do($query . "(" . ($total_rows-1-$i) . "," .
($total_rows-1-$i) . "," .
($total_rows-1-$i) . ",'BCDEFGHIJK')")
or die $DBI::errstr;
}
print "Inserting $opt_loop_count rows in random order\n";
for ($i=0 ; $i < $opt_loop_count ; $i++)
{
$sth = $dbh->do($query . "(". $random[$i] . "," . $random[$i] .
"," . $random[$i] . ",'CDEFGHIJKL')") or die $DBI::errstr;
}
}
$end_time=new Benchmark;
print "Time for insert (" . ($total_rows) . "): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(\$dbh,1);
}
$sth=$dbh->prepare("show table status like '$name'");
$sth->execute || die "Show table status returned error: $DBI::errstr\n";
while (@row = $sth->fetchrow_array)
{
print join("| ",@row) . " |\n";
}
$dbh->do("drop table $name") if (!$opt_skip_delete);
}
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