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#!/usr/bin/perl
# Copyright (C) 2000-2001, 2003 MySQL AB
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; version 2
# of the License.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA
#
# Test of extreme tables.
#
##################### Standard benchmark inits ##############################
use Cwd;
use DBI;
use Benchmark;
$opt_loop_count=1000; # Change this to make test harder/easier
$opt_field_count=1000;
$pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
$opt_field_count=min($opt_field_count,$limits->{'max_columns'},
($limits->{'query_size'}-30)/14);
$opt_loop_count*=10 if ($opt_field_count<100); # mSQL has so few fields...
if ($opt_small_test)
{
$opt_loop_count/=10;
$opt_field_count/=10;
}
print "Testing of some unusual tables\n";
print "All tests are done $opt_loop_count times with $opt_field_count fields\n\n";
####
#### Testing many fields
####
$dbh = $server->connect();
print "Testing table with $opt_field_count fields\n";
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'});
my @fields=();
my @index=();
my $fields="i1";
push(@fields,"$fields int");
$values= "1," x ($opt_field_count-1) . "1";
for ($i=2 ; $i <= $opt_field_count ; $i++)
{
push(@fields,"i${i} int");
$fields.=",i${i}";
}
$start_time=new Benchmark;
do_many($dbh,$server->create("bench1",\@fields,\@index));
$sth = $dbh->do("insert into bench1 values ($values)") or die $DBI::errstr;
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
test_query("Testing select * from table with 1 record",
"Time to select_many_fields",
"select * from bench1",
$dbh,$opt_loop_count);
if ($limits->{'working_all_fields'})
{
test_query("Testing select all_fields from table with 1 record",
"Time to select_many_fields",
"select $fields from bench1",
$dbh,$opt_loop_count);
}
test_query("Testing insert VALUES()",
"Time to insert_many_fields",
"insert into bench1 values($values)",
$dbh,$opt_loop_count);
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
test_command("Testing insert (all_fields) VALUES()",
"Time to insert_many_fields",
"insert into bench1 ($fields) values($values)",
$dbh,$opt_loop_count);
$sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr;
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
################################ END ###################################
####
#### End of the test...Finally print time used to execute the
#### whole test.
$dbh->disconnect;
end_benchmark($start_time);
############################ HELP FUNCTIONS ##############################
sub test_query
{
my($test_text,$result_text,$query,$dbh,$count)=@_;
my($i,$loop_time,$end_time, $using_transactions);
print $test_text . "\n";
$loop_time=new Benchmark;
$using_transactions=0;
if ($opt_fast && server->{transactions} && $query=~ /^insert /i)
{
$using_transactions=1;
$dbh->{AutoCommit} = 0;
print "Transactions enabled\n" if ($opt_debug);
}
for ($i=0 ; $i < $count ; $i++)
{
defined(fetch_all_rows($dbh,$query)) or die $DBI::errstr;
}
if ($using_transactions)
{
$dbh->commit;
$dbh->{AutoCommit} = 1;
}
$end_time=new Benchmark;
print $result_text . "($count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
sub test_command
{
my($test_text,$result_text,$query,$dbh,$count)=@_;
my($i,$loop_time,$end_time);
print $test_text . "\n";
$loop_time=new Benchmark;
for ($i=0 ; $i < $count ; $i++)
{
$dbh->do($query) or die $DBI::errstr;
}
$end_time=new Benchmark;
print $result_text . "($count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
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