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270 lines
6.9 KiB
Bash
270 lines
6.9 KiB
Bash
#!/usr/bin/perl
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# Copyright (c) 2000-2003, 2006 MySQL AB, 2009 Sun Microsystems, Inc.
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# Use is subject to license terms.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; version 2
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# of the License.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with this library; if not, write to the Free
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# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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# MA 02110-1301, USA
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#
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# This test is for testing how long it takes to create tables,
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# make a count(*) from them and finally drop the tables. These
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# commands will be done in different ways in this test.
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# Using option --fast will drop all the tables in the end
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# of this test with one command instead of making own
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# 'drop' command for each and every table.
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# By changing the variable '$table_amount' value you can make
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# this test a lot harder/easier for your computer to drive.
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# Note that when using value bigger than 64 for this variable
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# will do 'drop table'-command in totally different way because of that
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# how MySQL handles these commands.
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##################### Standard benchmark inits ##############################
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use Cwd;
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use DBI;
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use Benchmark;
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$opt_loop_count=10000; # Change this to make test harder/easier
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# This is the default value for the amount of tables used in this test.
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$pwd = cwd(); $pwd = "." if ($pwd eq '');
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require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n";
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$create_loop_count=$opt_loop_count;
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if ($opt_small_test)
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{
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$opt_loop_count/=100;
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$create_loop_count/=1000;
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}
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$max_tables=min($limits->{'max_tables'},$opt_loop_count);
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if ($opt_small_test)
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{
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$max_tables=10;
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}
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print "Testing the speed of creating and dropping tables\n";
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print "Testing with $max_tables tables and $opt_loop_count loop count\n\n";
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####
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#### Connect and start timeing
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####
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$dbh = $server->connect();
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### Test how the database can handle many tables
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### Create $max_tables ; Access all off them with a simple query
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### and then drop the tables
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if ($opt_force) # If tables used in this test exist, drop 'em
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{
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print "Okay..Let's make sure that our tables don't exist yet.\n\n";
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for ($i=1 ; $i <= $max_tables ; $i++)
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{
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$dbh->do("drop table bench_$i" . $server->{'drop_attr'});
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}
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}
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if ($opt_fast && defined($server->{vacuum}))
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{
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$server->vacuum(1,\$dbh);
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}
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print "Testing create of tables\n";
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$loop_time=$start_time=new Benchmark;
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for ($i=1 ; $i <= $max_tables ; $i++)
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{
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if (do_many($dbh,$server->create("bench_$i",
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["i int NOT NULL",
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"d double",
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"f float",
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"s char(10)",
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"v varchar(100)"],
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["primary key (i)"])))
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{
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# Got an error; Do cleanup
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for ($i=1 ; $i <= $max_tables ; $i++)
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{
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$dbh->do("drop table bench_$i" . $server->{'drop_attr'});
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}
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die "Test aborted";
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}
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}
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$end_time=new Benchmark;
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print "Time for create_MANY_tables ($max_tables): " .
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timestr(timediff($end_time, $loop_time),"all") . "\n\n";
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if ($opt_fast && defined($server->{vacuum}))
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{
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$server->vacuum(1,\$dbh);
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}
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#### Here comes $max_tables couples of cont(*) to the tables.
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#### We'll check how long it will take...
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####
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print "Accessing tables\n";
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if ($limits->{'group_functions'})
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{
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$query="select count(*) from ";
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$type="select_group_when_MANY_tables";
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}
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else
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{
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$query="select * from ";
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$type="select_when_MANY_tables";
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}
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$loop_time=new Benchmark;
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for ($i=1 ; $i <= $max_tables ; $i++)
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{
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$sth = $dbh->do("$query bench_$i") or die $DBI::errstr;
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}
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$end_time=new Benchmark;
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print "Time to $type ($max_tables): " .
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timestr(timediff($end_time, $loop_time),"all") . "\n\n";
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####
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#### Now we are going to drop $max_tables tables;
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####
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print "Testing drop\n";
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$loop_time=new Benchmark;
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if ($opt_fast && $server->{'limits'}->{'multi_drop'} &&
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$server->{'limits'}->{'query_size'} > 11+$max_tables*10)
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{
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my $query="drop table bench_1";
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for ($i=2 ; $i <= $max_tables ; $i++)
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{
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$query.=",bench_$i";
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}
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$sth = $dbh->do($query . $server->{'drop_attr'}) or die $DBI::errstr;
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}
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else
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{
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for ($i=1 ; $i <= $max_tables ; $i++)
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{
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$sth = $dbh->do("drop table bench_$i" . $server->{'drop_attr'})
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or die $DBI::errstr;
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}
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}
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$end_time=new Benchmark;
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print "Time for drop_table_when_MANY_tables ($max_tables): " .
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timestr(timediff($end_time, $loop_time),"all") . "\n\n";
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if ($opt_fast && defined($server->{vacuum}))
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{
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$server->vacuum(1,\$dbh);
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}
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#### We'll do first one 'create table' and then we'll drop it
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#### away immediately. This loop shall be executed $opt_loop_count
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#### times.
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print "Testing create+drop\n";
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$loop_time=new Benchmark;
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for ($i=1 ; $i <= $create_loop_count ; $i++)
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{
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do_many($dbh,$server->create("bench_$i",
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["i int NOT NULL",
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"d double",
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"f float",
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"s char(10)",
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"v varchar(100)"],
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["primary key (i)"]));
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$sth = $dbh->do("drop table bench_$i" . $server->{'drop_attr'}) or die $DBI::errstr;
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}
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$end_time=new Benchmark;
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print "Time for create+drop ($create_loop_count): " .
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timestr(timediff($end_time, $loop_time),"all") . "\n";
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if ($opt_fast && defined($server->{vacuum}))
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{
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$server->vacuum(1,\$dbh);
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}
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#
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# Same test, but with a table with many keys
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#
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my @fields=(); my @keys=();
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$keys=min($limits->{'max_index'},16); # 16 is more than enough
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$seg= min($limits->{'max_index_parts'},$keys,16); # 16 is more than enough
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# Make keys on the most important types
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@types=(0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,1,1); # A 1 for each char field
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push(@fields,"field1 tinyint not null");
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push(@fields,"field2 mediumint not null");
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push(@fields,"field3 smallint not null");
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push(@fields,"field4 char(16) not null");
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push(@fields,"field5 integer not null");
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push(@fields,"field6 float not null");
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push(@fields,"field7 double not null");
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for ($i=8 ; $i <= $keys ; $i++)
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{
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push(@fields,"field$i char(5) not null"); # Should be relatively fair
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}
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# Let first key contain many segments
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my $query="primary key (";
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for ($i= 1 ; $i <= $seg ; $i++)
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{
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$query.= "field$i,";
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}
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substr($query,-1)=")";
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push (@keys,$query);
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#Create other keys
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for ($i=2 ; $i <= $keys ; $i++)
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{
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push(@keys,"index index$i (field$i)");
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}
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$loop_time=new Benchmark;
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for ($i=1 ; $i <= $opt_loop_count ; $i++)
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{
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do_many($dbh,$server->create("bench_$i", \@fields, \@keys));
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$dbh->do("drop table bench_$i" . $server->{'drop_attr'}) or die $DBI::errstr;
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}
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$end_time=new Benchmark;
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print "Time for create_key+drop ($opt_loop_count): " .
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timestr(timediff($end_time, $loop_time),"all") . "\n";
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if ($opt_fast && defined($server->{vacuum}))
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{
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$server->vacuum(1,\$dbh);
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}
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####
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#### End of benchmark
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####
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$dbh->disconnect; # close connection
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end_benchmark($start_time);
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