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#!/usr/bin/perl
# Copyright (c) 2000, 2001, 2003, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
# Use is subject to license terms.
#
# 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., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA
#
# Test of selecting on keys that consist of many parts
#
##################### Standard benchmark inits ##############################
use Cwd;
use DBI;
use Getopt::Long;
use Benchmark;
$opt_loop_count=10000;
$opt_medium_loop_count=1000;
$opt_small_loop_count=10;
$opt_regions=6;
$opt_groups=100;
$pwd = cwd(); $pwd = "." if ($pwd eq '');
require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
$columns=min($limits->{'max_columns'},500,($limits->{'query_size'}-50)/24,
$limits->{'max_conditions'}/2-3);
if ($opt_small_test)
{
$opt_loop_count/=10;
$opt_medium_loop_count/=10;
$opt_small_loop_count/=10;
$opt_groups/=10;
}
print "Testing the speed of selecting on keys that consist of many parts\n";
print "The test-table has $opt_loop_count rows and the test is done with $columns ranges.\n\n";
####
#### Connect and start timeing
####
$dbh = $server->connect();
$start_time=new Benchmark;
####
#### Create needed tables
####
goto select_test if ($opt_skip_create);
print "Creating table\n";
$dbh->do("drop table bench1" . $server->{'drop_attr'});
do_many($dbh,$server->create("bench1",
["region char(1) NOT NULL",
"idn integer(6) NOT NULL",
"rev_idn integer(6) NOT NULL",
"grp integer(6) NOT NULL"],
["primary key (region,idn)",
"unique (region,rev_idn)",
"unique (region,grp,idn)"]));
if ($opt_lock_tables)
{
do_query($dbh,"LOCK TABLES bench1 WRITE");
}
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(1,\$dbh);
}
####
#### Insert $opt_loop_count records with
#### region: "A" -> "E"
#### idn: 0 -> count
#### rev_idn: count -> 0,
#### grp: distributed values 0 - > count/100
####
print "Inserting $opt_loop_count rows\n";
$loop_time=new Benchmark;
if ($opt_fast && $server->{transactions})
{
$dbh->{AutoCommit} = 0;
}
$query="insert into bench1 values (";
$half_done=$opt_loop_count/2;
for ($id=0,$rev_id=$opt_loop_count-1 ; $id < $opt_loop_count ; $id++,$rev_id--)
{
$grp=$id*3 % $opt_groups;
$region=chr(65+$id%$opt_regions);
do_query($dbh,"$query'$region',$id,$rev_id,$grp)");
if ($id == $half_done)
{ # Test with different insert
$query="insert into bench1 (region,idn,rev_idn,grp) values (";
}
}
if ($opt_fast && $server->{transactions})
{
$dbh->commit;
$dbh->{AutoCommit} = 1;
}
$end_time=new Benchmark;
print "Time to insert ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
if ($opt_lock_tables)
{
do_query($dbh,"UNLOCK TABLES");
}
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh,"bench1");
}
if ($opt_lock_tables)
{
do_query($dbh,"LOCK TABLES bench1 WRITE");
}
####
#### Do some selects on the table
####
select_test:
if ($limits->{'group_functions'})
{
my ($tmp); $tmp=1000;
print "Test if the database has a query cache\n";
# First ensure that the table is read into memory
fetch_all_rows($dbh,"select sum(idn+$tmp),sum(rev_idn-$tmp) from bench1");
$loop_time=new Benchmark;
for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
{
fetch_all_rows($dbh,"select sum(idn+100),sum(rev_idn-100) from bench1");
}
$end_time=new Benchmark;
print "Time for select_cache ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
# If the database has a query cache, the following loop should be much
# slower than the previous loop
$loop_time=new Benchmark;
for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
{
fetch_all_rows($dbh,"select sum(idn+$tests),sum(rev_idn-$tests) from bench1");
}
$end_time=new Benchmark;
print "Time for select_cache2 ($opt_loop_count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
print "Testing big selects on the table\n";
$loop_time=new Benchmark;
$rows=0;
for ($i=0 ; $i < $opt_small_loop_count ; $i++)
{
$grp=$i*11 % $opt_groups;
$region=chr(65+$i%($opt_regions+1)); # One larger to test misses
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region'");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and idn=$i");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and rev_idn=$i");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region='$region' and grp=$grp");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region>='B' and region<='C' and grp=$grp");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where region>='B' and region<='E' and grp=$grp");
$rows+=fetch_all_rows($dbh,"select idn from bench1 where grp=$grp"); # This is hard
}
$count=$opt_small_loop_count*7;
$end_time=new Benchmark;
print "Time for select_big ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
# Test select with many OR's
$loop_time=new Benchmark;
$tmpvar=0;
$count=0;
$estimated=0;
$max_and_conditions=$limits->{'max_conditions'}/2;
$rows=0;
for ($i=0 ; $i < $opt_small_loop_count ; $i++)
{
$region=chr(65+$i%($opt_regions+1)); # One larger to test out-of-regions
$query="select * from bench1 where ";
$or_part="grp = 1";
$or_part2="region='A' and grp=1";
for ($j=1 ; $j < $columns; $j++)
{
$tmpvar^= ((($tmpvar + 63) + $j)*3 % 100000);
$tmp=$tmpvar % $opt_groups;
$tmp_region=chr(65+$tmpvar%$opt_regions);
$or_part.=" or grp=$tmp";
if ($j < $max_and_conditions)
{
$or_part2.=" or region='$tmp_region' and grp=$tmp";
}
}
$or_part="region='$region' and ($or_part)";
# Same query, but use 'func_extra_in_num' instead.
if ($limits->{'func_extra_in_num'})
{
$in_part=$or_part;
$in_part=~ s/ = / IN \(/;
$in_part=~ s/ or grp=/,/g;
$in_part.= ")";
defined($found=fetch_all_rows($dbh,$query . $in_part)) || die $DBI::errstr;
$rows+=$found;
$count++;
}
for ($j=0; $j < 10 ; $j++)
{
$rows+=fetch_all_rows($dbh,$query . $or_part);
$rows+=fetch_all_rows($dbh,$query . $or_part2);
# Do it a little harder by setting a extra range
$rows+=fetch_all_rows($dbh,"$query ($or_part) and idn < 50");
$rows+=fetch_all_rows($dbh,"$query (($or_part) or (region='A' and grp < 10)) and region <='B'")
}
$count+=$j*4;
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_small_loop_count));
}
print_time($estimated);
print " for select_range ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
#
# Testing MIN() and MAX() on keys
#
if ($limits->{'group_functions'} && $limits->{'order_by_unused'})
{
$loop_time=new Benchmark;
$count=0;
$estimated=0;
for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
{
$count+=7;
$grp=$tests*3 % $opt_groups;
$region=chr(65+$tests % $opt_regions);
if ($limits->{'group_func_sql_min_str'})
{
fetch_all_rows($dbh,"select min(region) from bench1");
fetch_all_rows($dbh,"select max(region) from bench1");
fetch_all_rows($dbh,"select min(region),max(region) from bench1");
}
fetch_all_rows($dbh,"select min(rev_idn) from bench1 where region='$region'");
fetch_all_rows($dbh,"select max(grp) from bench1 where region='$region'");
fetch_all_rows($dbh,"select max(idn) from bench1 where region='$region' and grp=$grp");
if ($limits->{'group_func_sql_min_str'})
{
fetch_all_rows($dbh,"select max(region) from bench1 where region<'$region'");
}
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
$tests+1, $opt_loop_count));
}
print_time($estimated);
print " for min_max_on_key ($count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
$loop_time=new Benchmark;
$count=0;
$estimated=0;
for ($tests=0 ; $tests < $opt_loop_count ; $tests++)
{
$count+=5;
$grp=$tests*3 % $opt_groups;
$region=chr(65+$tests % $opt_regions);
fetch_all_rows($dbh,"select count(*) from bench1 where region='$region'");
fetch_all_rows($dbh,"select count(*) from bench1 where region='$region' and grp=$grp");
fetch_all_rows($dbh,"select count(*) from bench1 where region>'$region'");
fetch_all_rows($dbh,"select count(*) from bench1 where region<='$region'");
fetch_all_rows($dbh,"select count(*) from bench1 where region='$region' and grp>$grp");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,
$tests+1, $opt_loop_count));
}
print_time($estimated);
print " for count_on_key ($count): " .
timestr(timediff($end_time, $loop_time),"all") . "\n\n";
}
if ($limits->{'group_functions'})
{
$loop_time=new Benchmark;
$rows=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$rows+=fetch_all_rows($dbh,"select grp,count(*) from bench1 group by grp");
}
$end_time=new Benchmark;
print "Time for count_group_on_key_parts ($i:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
}
if ($limits->{'group_distinct_functions'})
{
print "Testing count(distinct) on the table\n";
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select count(distinct region) from bench1");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct_key_prefix ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select count(distinct grp) from bench1");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
# Workaround mimer's behavior
if ($limits->{'multi_distinct'})
{
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select count(distinct grp),count(distinct rev_idn) from bench1");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct_2 ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
}
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select region,count(distinct idn) from bench1 group by region");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct_group_on_key ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select grp,count(distinct idn) from bench1 group by grp");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct_group_on_key_parts ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
for ($i=0 ; $i < $opt_medium_loop_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select grp,count(distinct rev_idn) from bench1 group by grp");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$opt_medium_loop_count));
}
print_time($estimated);
print " for count_distinct_group ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
$loop_time=new Benchmark;
$rows=$estimated=$count=0;
$test_count=$opt_medium_loop_count/10;
for ($i=0 ; $i < $test_count ; $i++)
{
$count++;
$rows+=fetch_all_rows($dbh,"select idn,count(distinct region) from bench1 group by idn");
$end_time=new Benchmark;
last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i+1,
$test_count));
}
print_time($estimated);
print " for count_distinct_big ($count:$rows): " .
timestr(timediff($end_time, $loop_time),"all") . "\n";
}
####
#### End of benchmark
####
if ($opt_lock_tables)
{
do_query($dbh,"UNLOCK TABLES");
}
if (!$opt_skip_delete)
{
do_query($dbh,"drop table bench1" . $server->{'drop_attr'});
}
if ($opt_fast && defined($server->{vacuum}))
{
$server->vacuum(0,\$dbh);
}
$dbh->disconnect; # close connection
end_benchmark($start_time);
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