#!@PERL@ # Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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; either # version 2 of the License, or (at your option) any later version. # # 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 creating a simple table and inserting $record_count records in it, # $opt_loop_count rows in order, $opt_loop_count rows in reverse order and # $opt_loop_count rows in random order # # changes made for Oracle compatibility # - $limits{'func_odbc_mod'} is OK from crash-me, but it fails here so set we # set it to 0 in server-cfg # - the default server config runs out of rollback segments, so I added a couple # of disconnect/connects to reset ##################### Standard benchmark inits ############################## use DBI; use Benchmark; use Data::Dumper; $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; $opt_read_key_loop_count=$opt_loop_count; chomp($pwd = `pwd`); $pwd = "." if ($pwd eq ''); require "$pwd/bench-init.pl" || die "Can't read Configuration file: $!\n"; if ($opt_small_test) { $opt_loop_count/=100; $many_keys_loop_count=$opt_loop_count/10; $range_loop_count=10; $opt_read_key_loop_count=10; } elsif ($opt_small_tables) { $opt_loop_count=10000; # number of rows/3 $many_keys_loop_count=$opt_loop_count; $opt_read_key_loop_count=10; } elsif ($opt_small_key_tables) { $many_keys_loop_count/=10; } if ($opt_loop_count < 100) { $opt_loop_count=100; # Some tests must have some data to work! } $range_loop_count=min($opt_loop_count,$range_loop_count); print "Testing the speed of inserting data into 1 table and do some selects on it.\n"; print "The tests are done with a table that has $opt_loop_count rows.\n\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 = $server->connect(); #### #### Create needed tables #### goto keys_test if ($opt_stage == 2); goto select_test if ($opt_skip_create); print "Creating tables\n"; $dbh->do("drop table bench1" . $server->{'drop_attr'}); $dbh->do("drop table bench2" . $server->{'drop_attr'}); $dbh->do("drop table bench3" . $server->{'drop_attr'}); do_many($dbh,$server->create("bench1", ["id int NOT NULL", "id2 int NOT NULL", "id3 int NOT NULL", "dummy1 char(30)"], ["primary key (id,id2)", "index index_id3 (id3)"])); if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } #### #### Insert $total_rows records in order, in reverse order and random. #### $loop_time=new Benchmark; if ($opt_fast_insert) { $query="insert into bench1 values "; } else { $query="insert into bench1 (id,id2,id3,dummy1) values "; } if ($opt_fast && $server->{transactions}) { $dbh->{AutoCommit} = 0; print "Transactions enabled\n" if ($opt_debug); } if (($opt_fast || $opt_fast_insert) && $server->{'limits'}->{'insert_multi_value'}) { $query_size=$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 $DBI::errstr; } } if ($opt_fast && $server->{transactions}) { $dbh->commit; $dbh->{AutoCommit} = 1; } $end_time=new Benchmark; print "Time for insert (" . ($total_rows) . "): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh,"bench1"); } if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } #### #### insert $opt_loop_count records with duplicate id #### if ($limits->{'unique_index'}) { print "Testing insert of duplicates\n"; $loop_time=new Benchmark; if ($opt_fast && $server->{transactions}) { $dbh->{AutoCommit} = 0; } for ($i=0 ; $i < $opt_loop_count ; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % $opt_loop_count); $tmp=$tmpvar % ($total_rows); $tmpquery = "$query ($tmp,$tmp,2,'D')"; if ($dbh->do($tmpquery)) { die "Didn't get an error when inserting duplicate record $tmp\n"; } } if ($opt_fast && $server->{transactions}) { $dbh->commit; $dbh->{AutoCommit} = 1; } $end_time=new Benchmark; print "Time for insert_duplicates (" . ($opt_loop_count) . "): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; } #### #### Do some selects on the table #### select_test: print "Retrieving data from the table\n"; $loop_time=new Benchmark; $error=0; # It's really a small table, so we can try a select on everything $count=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { if (($found_rows=fetch_all_rows($dbh,"select id from bench1")) != $total_rows) { if (!$error++) { print "Warning: Got $found_rows rows when selecting a whole table of " . ($total_rows) . " rows\nContact the database or DBD author!\n"; } } $count+=$found_rows; } $end_time=new Benchmark; print "Time for select_big ($small_loop_count:$count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; # # Do a lot of different ORDER BY queries # $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select id,id2 from bench1 order by id,id2",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big_key ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select id,id2 from bench1 order by id desc, id2 desc",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big_key_desc ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select id from bench1 order by id desc",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big_key_prefix ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select id3 from bench1 order by id3",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big_key2 ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $sel=$limits->{'order_by_unused'} ? "id2" : "*"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select $sel from bench1 order by id3",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big_key_diff ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $sel=$limits->{'order_by_unused'} ? "id" : "*"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $small_loop_count ; $i++) { $rows+=fetch_all_rows($dbh,"select $sel from bench1 order by id2,id3",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_big ($small_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $sel=$limits->{'order_by_unused'} ? "dummy1" : "dummy1,id3"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $range_loop_count ; $i++) { $start=$opt_loop_count/$range_loop_count*$i; $end=$start+$i; $rows+=fetch_all_rows($dbh,"select $sel from bench1 where id>=$start and id <= $end order by id3",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_range ($range_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $sel=$limits->{'order_by_unused'} ? "dummy1" : "dummy1,id"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $range_loop_count ; $i++) { $start=$opt_loop_count/$range_loop_count*$i; $end=$start+$i; $rows+=fetch_all_rows($dbh,"select $sel from bench1 where id>=$start and id <= $end order by id",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_key_prefix ($range_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $sel=$limits->{'order_by_unused'} ? "id2" : "id2,id3"; $loop_time=new Benchmark; $estimated=$rows=0; for ($i=1 ; $i <= $range_loop_count ; $i++) { $start=$opt_loop_count/$range_loop_count*$i; $end=$start+$range_loop_count; $rows+=fetch_all_rows($dbh,"select $sel from bench1 where id3>=$start and id3 <= $end order by id3",1); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$i, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for order_by_key2_diff ($range_loop_count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; # # Test of select on 2 different keys with or # (In this case database can only use keys if they do an automatic union). # $loop_time=new Benchmark; $estimated=0; $rows=0; $count=0; for ($i=1 ; $i <= $range_loop_count ; $i++) { my $rnd=$i; my $rnd2=$random[$i]; $rows+=fetch_all_rows($dbh,"select id2 from bench1 where id=$rnd or id3=$rnd2",1); $count++; $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$count, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for select_diff_key ($count:$rows): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; # Test select that is very popular when using ODBC check_or_range("id","select_range_prefix"); check_or_range("id3","select_range_key2"); # Check reading on direct key on id and id3 check_select_key("*","id","select_key_prefix"); check_select_key2("*","id","id2","select_key"); check_select_key2("id,id2","id","id2","select_key_return_key"); check_select_key("*","id3","select_key2"); check_select_key("id3","id3","select_key2_return_key"); check_select_key("id,id2","id3","select_key2_return_prim"); #### #### A lot of simple selects on ranges #### @Q=("select * from bench1 where !id!=3 or !id!=2 or !id!=1 or !id!=4 or !id!=16 or !id!=10", 6, "select * from bench1 where !id!>=" . ($total_rows-1) ." or !id!<1", 2, "select * from bench1 where !id!>=1 and !id!<=2", 2, "select * from bench1 where (!id!>=1 and !id!<=2) or (!id!>=1 and !id!<=2)", 2, "select * from bench1 where !id!>=1 and !id!<=10 and !id!<=5", 5, "select * from bench1 where (!id!>0 and !id!<2) or !id!>=" . ($total_rows-1), 2, "select * from bench1 where (!id!>0 and !id!<2) or (!id!>= " . ($opt_loop_count/2) . " and !id! <= " . ($opt_loop_count/2+2) . ") or !id! = " . ($opt_loop_count/2-1), 5, "select * from bench1 where (!id!>=5 and !id!<=10) or (!id!>=1 and !id!<=4)", 10, "select * from bench1 where (!id!=1 or !id!=2) and (!id!=3 or !id!=4)", 0, "select * from bench1 where (!id!=1 or !id!=2) and (!id!=2 or !id!=3)", 1, "select * from bench1 where (!id!=1 or !id!=5 or !id!=20 or !id!=40) and (!id!=1 or !id!>=20 or !id!=4)", 3, "select * from bench1 where ((!id!=1 or !id!=3) or (!id!>1 and !id!<3)) and !id!<=2", 2, "select * from bench1 where (!id! >= 0 and !id! < 4) or (!id! >=4 and !id! < 6)", 6, "select * from bench1 where !id! <= -1 or (!id! >= 0 and !id! <= 5) or (!id! >=4 and !id! < 6) or (!id! >=6 and !id! <=7) or (!id!>7 and !id! <= 8)", 9, "select * from bench1 where (!id!>=1 and !id!<=2 or !id!>=4 and !id!<=5) or (!id!>=0 and !id! <=10)", 11, "select * from bench1 where (!id!>=1 and !id!<=2 or !id!>=4 and !id!<=5) or (!id!>2 and !id! <=10)", 10, "select * from bench1 where (!id!>1 or !id! <1) and !id!<=2", 2, "select * from bench1 where !id! <= 2 and (!id!>1 or !id! <=1)", 3, "select * from bench1 where (!id!>=1 or !id! <1) and !id!<=2", 3, "select * from bench1 where (!id!>=1 or !id! <=2) and !id!<=2", 3 ); print "\nTest of compares with simple ranges\n"; check_select_range("id","select_range_prefix"); check_select_range("id3","select_range_key2"); #### #### Some group queries #### if ($limits->{'group_functions'}) { $loop_time=new Benchmark; $count=1; $estimated=0; for ($tests=0 ; $tests < $small_loop_count ; $tests++) { $sth=$dbh->prepare($query="select count(*) from bench1") or die $DBI::errstr; $sth->execute or die $sth->errstr; if (($sth->fetchrow_array)[0] != $total_rows) { print "Warning: '$query' returned wrong result\n"; } $sth->finish; # min, max in keys are very normal $count+=7; fetch_all_rows($dbh,"select min(id) from bench1"); fetch_all_rows($dbh,"select max(id) from bench1"); fetch_all_rows($dbh,"select sum(id+0.0) from bench1"); fetch_all_rows($dbh,"select min(id3),max(id3),sum(id3-0.0) from bench1"); if ($limits->{'group_func_sql_min_str'}) { fetch_all_rows($dbh,"select min(dummy1),max(dummy1) from bench1"); } $count++; $sth=$dbh->prepare($query="select count(*) from bench1 where id >= " . ($opt_loop_count*2)) or die $DBI::errstr; $sth->execute or die $DBI::errstr; if (($sth->fetchrow_array)[0] != $opt_loop_count) { print "Warning: '$query' returned wrong result\n"; } $sth->finish; $count++; $sth=$dbh->prepare($query="select count(*),sum(id+0.0),min(id),max(id),avg(id-0.0) from bench1") or die $DBI::errstr; $sth->execute or die $DBI::errstr; @row=$sth->fetchrow_array; if ($row[0] != $total_rows || int($row[1]+0.5) != int((($total_rows-1)/2*$total_rows)+0.5) || $row[2] != 0 || $row[3] != $total_rows-1 || 1-$row[4]/(($total_rows-1)/2) > 0.001) { # PostgreSQL 6.3 fails here print "Warning: '$query' returned wrong result: @row\n"; } $sth->finish; if ($limits->{'func_odbc_mod'}) { $tmp="mod(id,10)"; if ($limits->{'func_extra_%'}) { $tmp="id % 10"; # For postgreSQL } $count++; if ($limits->{'group_by_alias'}) { if (fetch_all_rows($dbh,$query=$server->query("select $tmp as last_digit,count(*) from bench1 group by last_digit")) != 10) { print "Warning: '$query' returned wrong number of rows\n"; } } elsif ($limits->{'group_by_position'}) { if (fetch_all_rows($dbh,$query=$server->query("select $tmp,count(*) from bench1 group by 1")) != 10) { print "Warning: '$query' returned wrong number of rows\n"; } } } if ($limits->{'order_by_position'} && $limits->{'group_by_position'}) { $count++; if (fetch_all_rows($dbh, $query="select id,id3,dummy1 from bench1 where id < 100+$count-$count group by id,id3,dummy1 order by id desc,id3,dummy1") != 100) { print "Warning: '$query' returned wrong number of rows\n"; } } $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$tests, $small_loop_count)); } print_time($estimated); print " for select_group ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=$estimated=0; for ($tests=1 ; $tests <= $range_loop_count*5 ; $tests++) { $count+=6; fetch_all_rows($dbh,"select min(id) from bench1"); fetch_all_rows($dbh,"select max(id) from bench1"); fetch_all_rows($dbh,"select min(id2) from bench1 where id=$tests"); fetch_all_rows($dbh,"select max(id2) from bench1 where id=$tests"); if ($limits->{'group_func_sql_min_str'}) { fetch_all_rows($dbh,"select min(dummy1) from bench1 where id=$tests"); fetch_all_rows($dbh,"select max(dummy1) from bench1 where id=$tests"); } $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$tests, $range_loop_count*5)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for min_max_on_key ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=$estimated=0; for ($tests=1 ; $tests <= $small_loop_count ; $tests++) { $count+=6; fetch_all_rows($dbh,"select min(id2) from bench1"); fetch_all_rows($dbh,"select max(id2) from bench1"); fetch_all_rows($dbh,"select min(id3) from bench1 where id2=$tests"); fetch_all_rows($dbh,"select max(id3) from bench1 where id2=$tests"); if ($limits->{'group_func_sql_min_str'}) { fetch_all_rows($dbh,"select min(dummy1) from bench1 where id2=$tests"); fetch_all_rows($dbh,"select max(dummy1) from bench1 where id2=$tests"); } $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$tests, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for min_max ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=0; $total=$opt_loop_count*3; for ($tests=0 ; $tests < $total ; $tests+=$total/100) { $count+=1; fetch_all_rows($dbh,"select count(id) from bench1 where id < $tests"); } $end_time=new Benchmark; print "Time for count_on_key ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=0; for ($tests=0 ; $tests < $total ; $tests+=$total/100) { $count+=1; fetch_all_rows($dbh,"select count(dummy1) from bench1 where id2 < $tests"); } $end_time=new Benchmark; print "Time for count ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; if ($limits->{'group_distinct_functions'}) { $loop_time=new Benchmark; $count=$estimated=0; for ($tests=1 ; $tests <= $small_loop_count ; $tests++) { $count+=2; fetch_all_rows($dbh,"select count(distinct dummy1) from bench1"); fetch_all_rows($dbh,"select dummy1,count(distinct id) from bench1 group by dummy1"); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$tests, $small_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for count_distinct_big ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; } } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } #### #### Some updates on the table #### $loop_time=new Benchmark; if ($limits->{'functions'}) { print "\nTesting update of keys with functions\n"; my $update_loop_count=$opt_loop_count/2; for ($i=0 ; $i < $update_loop_count ; $i++) { my $tmp=$opt_loop_count+$random[$i]; # $opt_loop_count*2 <= $tmp < $total_rows $sth = $dbh->do("update bench1 set id3=-$tmp where id3=$tmp") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for update_of_key ($update_loop_count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; if ($opt_lock_tables) { do_query($dbh,"UNLOCK TABLES"); } if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh,"bench1"); } if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $loop_time=new Benchmark; $count=0; $step=int($opt_loop_count/$range_loop_count+1); for ($i= 0 ; $i < $opt_loop_count ; $i+= $step) { $count++; $sth=$dbh->do("update bench1 set id3= 0-id3 where id3 >= 0 and id3 <= $i") or die $DBI::errstr; } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $count++; $sth=$dbh->do("update bench1 set id3= 0-id3 where id3 >= 0 and id3 < $opt_loop_count") or die $DBI::errstr; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $count++; $sth=$dbh->do("update bench1 set id3= 0-id3 where id3 >= $opt_loop_count and id3 < ". ($opt_loop_count*2)) or die $DBI::errstr; # # Check that everything was updated # In principle we shouldn't time this in the update loop.. # if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $row_count=0; if (($sth=$dbh->prepare("select count(*) from bench1 where id3>=0")) && $sth->execute) { ($row_count)=$sth->fetchrow; } $result=1 + $opt_loop_count-$update_loop_count; if ($row_count != $result) { print "Warning: Update check returned $row_count instead of $result\n"; } $sth->finish; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } #restore id3 to 0 <= id3 < $total_rows/10 or 0<= id3 < $total_rows my $func=($limits->{'func_odbc_floor'}) ? "floor((0-id3)/20)" : "0-id3"; $count++; $sth=$dbh->do($query="update bench1 set id3=$func where id3<0") or die $DBI::errstr; $end_time=new Benchmark; print "Time for update_of_key_big ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; } else { print "\nTesting update of keys in loops\n"; # # This is for mSQL that doesn't have functions. Do we really need this ???? # $sth=$dbh->prepare("select id3 from bench1 where id3 >= 0") or die $DBI::errstr; $sth->execute or die $DBI::errstr; $count=0; while (@tmp = $sth->fetchrow_array) { my $tmp1 = "-$tmp[0]"; my $sth1 = $dbh->do("update bench1 set id3 = $tmp1 where id3 = $tmp[0]"); $count++; $end_time=new Benchmark; if (($end_time->[0] - $loop_time->[0]) > $opt_time_limit) { print "note: Aborting update loop because of timeout\n"; last; } } $sth->finish; # Check that everything except id3=0 was updated # In principle we shouldn't time this in the update loop.. # if (fetch_all_rows($dbh,$query="select * from bench1 where id3>=0") != 1) { if ($count == $total_rows) { print "Warning: Wrong information after update: Found '$row_count' rows, but should have been: 1\n"; } } #restore id3 to 0 <= id3 < $total_rows $sth=$dbh->prepare("select id3 from bench1 where id3 < 0") or die $DBI::errstr; $sth->execute or die $DBI::errstr; while (@tmp = $sth->fetchrow_array) { $count++; my $tmp1 = floor((0-$tmp[0])/10); my $sth1 = $dbh->do("update bench1 set id3 = $tmp1 where id3 = $tmp[0]"); } $sth->finish; $end_time=new Benchmark; $estimated=predict_query_time($loop_time,$end_time,\$count,$count, $opt_loop_count*6); if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for update_of_key ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; } if ($opt_fast && defined($server->{vacuum})) { if ($opt_lock_tables) { do_query($dbh,"UNLOCK TABLES"); } $server->vacuum(1,\$dbh,"bench1"); if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } # # Testing some simple updates # print "Testing update with key\n"; $loop_time=new Benchmark; for ($i=0 ; $i < $opt_loop_count*3 ; $i++) { $sth = $dbh->do("update bench1 set dummy1='updated' where id=$i and id2=$i") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for update_with_key (" . ($opt_loop_count*3) . "): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=0; for ($i=1 ; $i < $opt_loop_count*3 ; $i+=3) { $sth = $dbh->do("update bench1 set dummy1='updated' where id=$i") or die $DBI::errstr; $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$i,$tests, $opt_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for update_with_key_prefix (" . ($opt_loop_count) . "): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; print "\nTesting update of all rows\n"; $loop_time=new Benchmark; for ($i=0 ; $i < $small_loop_count ; $i++) { $sth = $dbh->do("update bench1 set dummy1='updated $i'") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for update_big ($small_loop_count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; # # Testing left outer join # if ($limits->{'func_odbc_floor'} && $limits->{'left_outer_join'}) { if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 a READ, bench1 b READ") || die $DBI::errstr; } print "\nTesting left outer join\n"; $loop_time=new Benchmark; $count=0; for ($i=0 ; $i < $small_loop_count ; $i++) { $count+=fetch_all_rows($dbh,"select count(*) from bench1 as a left outer join bench1 as b on (a.id2=b.id3)"); } $end_time=new Benchmark; print "Time for outer_join_on_key ($small_loop_count:$count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $count=0; for ($i=0 ; $i < $small_loop_count ; $i++) { $count+=fetch_all_rows($dbh,"select count(a.dummy1),count(b.dummy1) from bench1 as a left outer join bench1 as b on (a.id2=b.id3)"); } $end_time=new Benchmark; print "Time for outer_join ($small_loop_count:$count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $count=0; $loop_time=new Benchmark; for ($i=0 ; $i < $small_loop_count ; $i++) { $count+=fetch_all_rows($dbh,"select count(a.dummy1),count(b.dummy1) from bench1 as a left outer join bench1 as b on (a.id2=b.id3) where b.id3 is not null"); } $end_time=new Benchmark; print "Time for outer_join_found ($small_loop_count:$count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $count=$estimated=0; $loop_time=new Benchmark; for ($i=1 ; $i <= $small_loop_count ; $i++) { $count+=fetch_all_rows($dbh,"select count(a.dummy1),count(b.dummy1) from bench1 as a left outer join bench1 as b on (a.id2=b.id3) where b.id3 is null"); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time, \$count,$i, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for outer_join_not_found ($range_loop_count:$count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } ### ### Test speed of IN( value list) ### if ($limits->{'left_outer_join'}) { if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } print "\n"; do_many($dbh,$server->create("bench2", ["id int NOT NULL"], ["primary key (id)"])); $max_tests=min(($limits->{'query_size'}-50)/6, $opt_loop_count); if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 READ, bench2 WRITE") || die $DBI::errstr; } test_where_in("bench1","bench2","id",1,10); test_where_in("bench1","bench2","id",11,min(100,$max_tests)); test_where_in("bench1","bench2","id",101,min(1000,$max_tests)); if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } $sth = $dbh->do("DROP TABLE bench2" . $server->{'drop_attr'}) || die $DBI::errstr; if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } #### #### Test INSERT INTO ... SELECT #### if ($limits->{'insert_select'}) { if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } print "\nTesting INSERT INTO ... SELECT\n"; do_many($dbh,$server->create("bench2", ["id int NOT NULL", "id2 int NOT NULL", "id3 int NOT NULL", "dummy1 char(30)"], ["primary key (id,id2)"])); do_many($dbh,$server->create("bench3", ["id int NOT NULL", "id2 int NOT NULL", "id3 int NOT NULL", "dummy1 char(30)"], ["primary key (id,id2)", "index index_id3 (id3)"])); $loop_time=new Benchmark; $sth = $dbh->do("INSERT INTO bench2 SELECT * from bench1") || die $DBI::errstr; $end_time=new Benchmark; print "Time for insert_select_1_key (1): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $sth = $dbh->do("INSERT INTO bench3 SELECT * from bench1") || die $DBI::errstr; $end_time=new Benchmark; print "Time for insert_select_2_keys (1): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; $loop_time=new Benchmark; $sth = $dbh->do("DROP TABLE bench2" . $server->{'drop_attr'}) || die $DBI::errstr; $sth = $dbh->do("DROP TABLE bench3" . $server->{'drop_attr'}) || die $DBI::errstr; $end_time=new Benchmark; print "Time for drop table(2): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh); } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } #### #### Do some deletes on the table #### if (!$opt_skip_delete) { print "\nTesting delete\n"; $loop_time=new Benchmark; $count=0; for ($i=0 ; $i < $opt_loop_count ; $i+=10) { $count++; $tmp=$opt_loop_count+$random[$i]; # $opt_loop_count*2 <= $tmp < $total_rows $dbh->do("delete from bench1 where id3=$tmp") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for delete_key ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $count=0; $loop_time=new Benchmark; for ($i= 0 ; $i < $opt_loop_count ; $i+=$opt_loop_count/10) { $sth=$dbh->do("delete from bench1 where id3 >= 0 and id3 <= $i") or die $DBI::errstr; $count++; } $count+=2; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $sth=$dbh->do("delete from bench1 where id3 >= 0 and id3 <= $opt_loop_count") or die $DBI::errstr; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $sth=$dbh->do("delete from bench1 where id >= $opt_loop_count and id <= " . ($opt_loop_count*2) ) or die $DBI::errstr; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } if ($opt_fast) { $sth=$dbh->do("delete from bench1") or die $DBI::errstr; } else { $sth = $dbh->do("delete from bench1 where id3 < " . ($total_rows)) or die $DBI::errstr; } $end_time=new Benchmark; print "Time for delete_range ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } $sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr; } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh); } keys_test: # # Test of insert in table with many keys # This test assumes that the server really create the keys! # my @fields=(); my @keys=(); $keys=min($limits->{'max_index'},16); # 16 is more than enough $seg= min($limits->{'max_index_parts'},$keys,16); # 16 is more than enough print "Insert into table with $keys keys and with a primary key with $seg parts\n"; # Make keys on the most important types @types=(0,0,0,1,0,0,0,1,1,1,1,1,1,1,1,1,1); # A 1 for each char field push(@fields,"field1 tinyint not null"); push(@fields,"field_search tinyint not null"); push(@fields,"field2 mediumint not null"); push(@fields,"field3 smallint not null"); push(@fields,"field4 char(16) not null"); push(@fields,"field5 integer not null"); push(@fields,"field6 float not null"); push(@fields,"field7 double not null"); for ($i=8 ; $i <= $keys ; $i++) { push(@fields,"field$i char(6) not null"); # Should be relatively fair } # First key contains many segments $query="primary key ("; for ($i= 1 ; $i <= $seg ; $i++) { $query.= "field$i,"; } substr($query,-1)=")"; push (@keys,$query); push (@keys,"index index2 (field_search)"); #Create other keys for ($i=3 ; $i <= $keys ; $i++) { push(@keys,"index index$i (field$i)"); } do_many($dbh,$server->create("bench1",\@fields,\@keys)); if ($opt_lock_tables) { $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } $loop_time=new Benchmark; if ($opt_fast && $server->{transactions}) { $dbh->{AutoCommit} = 0; } $fields=$#fields; if (($opt_fast || $opt_fast_insert) && $server->{'limits'}->{'insert_multi_value'}) { $query_size=$server->{'limits'}->{'query_size'}; $query="insert into bench1 values "; $res=$query; for ($i=0; $i < $many_keys_loop_count; $i++) { $id= $i & 127; $rand=$random[$i]; $tmp="($id,$id,$rand," . ($i & 32766) . ",'ABCDEF$rand',0,"; for ($j=6; $j <= $fields ; $j++) { $tmp.= ($types[$j] == 0) ? "$rand," : "'$rand',"; } substr($tmp,-1)=")"; 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 $DBI::errstr; } else { for ($i=0; $i < $many_keys_loop_count; $i++) { $id= $i & 127; $rand=$random[$i]; $query="insert into bench1 values ($id,$id,$rand," . ($i & 32767) . ",'ABCDEF$rand',0,"; for ($j=6; $j <= $fields ; $j++) { $query.= ($types[$j] == 0) ? "$rand," : "'$rand',"; } substr($query,-1)=")"; print "query1: $query\n" if ($opt_debug); $dbh->do($query) or die "Got error $DBI::errstr with query: $query\n"; } } if ($opt_fast && $server->{transactions}) { $dbh->commit; $dbh->{AutoCommit} = 1; } $end_time=new Benchmark; print "Time for insert_key ($many_keys_loop_count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } if ($opt_fast && defined($server->{vacuum})) { if ($opt_lock_tables) { do_query($dbh,"UNLOCK TABLES"); } $server->vacuum(1,\$dbh,"bench1"); if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } # # update one key of the above # print "Testing update of keys\n"; $loop_time=new Benchmark; if ($opt_fast && $server->{transactions}) { $dbh->{AutoCommit} = 0; } for ($i=0 ; $i< 256; $i++) { $dbh->do("update bench1 set field5=1 where field_search=$i") or die "Got error $DBI::errstr with query: update bench1 set field5=1 where field_search=$i\n"; } if ($opt_fast && $server->{transactions}) { $dbh->commit; $dbh->{AutoCommit} = 1; } $end_time=new Benchmark; print "Time for update_of_primary_key_many_keys (256): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } if ($opt_fast && defined($server->{vacuum})) { if ($opt_lock_tables) { do_query($dbh,"UNLOCK TABLES"); } $server->vacuum(1,\$dbh,"bench1"); if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 WRITE") || die $DBI::errstr; } } if ($server->small_rollback_segment()) { $dbh->disconnect; # close connection $dbh = $server->connect(); } # # Delete everything from table # print "Deleting rows from the table\n"; $loop_time=new Benchmark; $count=0; for ($i=0 ; $i < 128 ; $i++) { $count++; $dbh->do("delete from bench1 where field_search = $i") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for delete_big_many_keys ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES") || die $DBI::errstr; } print "Deleting everything from table\n"; $count=1; if ($opt_fast) { $query= ($limits->{'truncate_table'} ? "truncate table bench1" : "delete from bench1"); $dbh->do($query) or die $DBI::errstr; } else { $dbh->do("delete from bench1 where field1 > 0") or die $DBI::errstr; } $end_time=new Benchmark; print "Time for delete_all_many_keys ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; $sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr; if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh); } # # Test multi value inserts if the server supports it # if ($limits->{'insert_multi_value'}) { $query_size=$limits->{'query_size'}; # Same limit for all databases $sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}); do_many($dbh,$server->create("bench1", ["id int NOT NULL", "id2 int NOT NULL", "id3 int NOT NULL", "dummy1 char(30)"], ["primary key (id,id2)", "index index_id3 (id3)"])); $loop_time=new Benchmark; if ($opt_lock_tables) { $sth = $dbh->do("LOCK TABLES bench1 write") || die $DBI::errstr; } if ($opt_fast && $server->{transactions}) { $dbh->{AutoCommit} = 0; } print "Inserting $opt_loop_count rows with multiple values\n"; $query="insert into bench1 values "; $res=$query; for ($i=0 ; $i < $opt_loop_count ; $i++) { my $tmp= "($i,$i,$i,'EFGHIJKLM'),"; if (length($i)+length($res) < $query_size) { $res.= $tmp; } else { do_query($dbh,substr($res,0,length($res)-1)); $res=$query .$tmp; } } do_query($dbh,substr($res,0,length($res)-1)); if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES ") || die $DBI::errstr; } if ($opt_fast && $server->{transactions}) { $dbh->commit; $dbh->{AutoCommit} = 1; } $end_time=new Benchmark; print "Time for multiple_value_insert (" . ($opt_loop_count) . "): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; if ($opt_lock_tables) { $sth = $dbh->do("UNLOCK TABLES ") || die $DBI::errstr; } # A big table may take a while to drop $loop_time=new Benchmark; $sth = $dbh->do("drop table bench1" . $server->{'drop_attr'}) or die $DBI::errstr; $end_time=new Benchmark; print "Time for drop table(1): " . timestr(timediff($end_time, $loop_time),"all") . "\n\n"; } #### #### End of benchmark #### $dbh->disconnect; # close connection end_benchmark($start_time); ### ### Some help functions ### # Do some sample selects on direct key # First select finds a row, the second one doesn't find. sub check_select_key { my ($sel_columns,$column,$check)= @_; my ($loop_time,$end_time,$i,$tmp_var,$tmp,$count,$row_count,$estimated); $estimated=0; $loop_time=new Benchmark; $count=0; for ($i=1 ; $i <= $opt_read_key_loop_count; $i++) { $count+=2; $tmpvar^= ((($tmpvar + 63) + $i)*3 % $opt_loop_count); $tmp=$tmpvar % ($total_rows); fetch_all_rows($dbh,"select $sel_columns from bench1 where $column=$tmp") or die $DBI::errstr; $tmp+=$total_rows; defined($row_count=fetch_all_rows($dbh,"select $sel_columns from bench1 where $column=$tmp")) or die $DBI::errstr; die "Found $row_count rows on impossible id: $tmp\n" if ($row_count); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i, $opt_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for $check ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; } # Same as above, but select on 2 columns sub check_select_key2 { my ($sel_columns,$column,$column2,$check)= @_; my ($loop_time,$end_time,$i,$tmp_var,$tmp,$count,$row_count,$estimated); $estimated=0; $loop_time=new Benchmark; $count=0; for ($i=1 ; $i <= $opt_read_key_loop_count; $i++) { $count+=2; $tmpvar^= ((($tmpvar + 63) + $i)*3 % $opt_loop_count); $tmp=$tmpvar % ($total_rows); fetch_all_rows($dbh,"select $sel_columns from bench1 where $column=$tmp and $column2=$tmp") or die $DBI::errstr; $tmp+=$total_rows; defined($row_count=fetch_all_rows($dbh,"select $sel_columns from bench1 where $column=$tmp and $column2=$tmp")) or die $DBI::errstr; die "Found $row_count rows on impossible id: $tmp\n" if ($row_count); $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$i, $opt_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for $check ($count): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; } # # Search using some very simple queries # sub check_select_range { my ($column,$check)= @_; my ($loop_time,$end_time,$i,$tmp_var,$tmp,$query,$rows,$estimated); $estimated=0; $loop_time=new Benchmark; $found=$count=0; for ($test=1 ; $test <= $range_loop_count; $test++) { $count+=$#Q+1; for ($i=0 ; $i < $#Q ; $i+=2) { $query=$Q[$i]; $rows=$Q[$i+1]; $query =~ s/!id!/$column/g; if (($row_count=fetch_all_rows($dbh,$query)) != $rows) { if ($row_count == undef()) { die "Got error: $DBI::errstr when executing $query\n"; } die "'$query' returned wrong number of rows: $row_count instead of $rows\n"; } $found+=$row_count; } $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$test, $range_loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for $check ($count:$found): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; } # # SELECT * from bench where col=x or col=x or col=x ... sub check_or_range { my ($column,$check)= @_; my ($loop_time,$end_time,$i,$tmp_var,$tmp,$columns,$estimated,$found, $or_part,$count,$loop_count); $columns=min($limits->{'max_columns'},50,($limits->{'query_size'}-50)/13); $columns=$columns- ($columns % 4); # Make Divisible by 4 $estimated=0; $loop_time=new Benchmark; $found=0; # The number of tests must be divisible by the following $tmp= $limits->{'func_extra_in_num'} ? 15 : 10; # We need to calculate the exact number of test to make 'Estimated' right $loop_count=$range_loop_count*10+$tmp-1; $loop_count=$loop_count- ($loop_count % $tmp); for ($count=0 ; $count < $loop_count ; ) { for ($rowcnt=0; $rowcnt <= $columns; $rowcnt+= $columns/4) { my $query="select * from bench1 where "; my $or_part= "$column = 1"; $count+=2; for ($i=1 ; $i < $rowcnt ; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % $opt_loop_count); $tmp=$tmpvar % ($opt_loop_count*4); $or_part.=" or $column=$tmp"; } print $query . $or_part . "\n" if ($opt_debug); ($rows=fetch_all_rows($dbh,$query . $or_part)) or die $DBI::errstr; $found+=$rows; if ($limits->{'func_extra_in_num'}) { my $in_part=$or_part; # Same query, but use 'func_extra_in_num' instead. $in_part=~ s/ = / IN \(/; $in_part=~ s/ or $column=/,/g; $in_part.= ")"; fetch_all_rows($dbh,$query . $in_part) or die $DBI::errstr; $count++; } # Do it a little harder by setting a extra range defined(($rows=fetch_all_rows($dbh,"$query($or_part) and $column < 10"))) or die $DBI::errstr; $found+=$rows; } $end_time=new Benchmark; last if ($estimated=predict_query_time($loop_time,$end_time,\$count,$count, $loop_count)); } if ($estimated) { print "Estimated time"; } else { print "Time"; } print " for $check ($count:$found): " . timestr(timediff($end_time, $loop_time),"all") . "\n"; } # # General test of SELECT ... WHERE id in(value-list) # sub test_where_in { my ($t1,$t2,$id,$from,$to)= @_; return if ($from >= $to); $query="SELECT $t1.* FROM $t1 WHERE $id IN ("; for ($i=1 ; $i <= $to ; $i++) { $query.="$i,"; } $query=substr($query,0,length($query)-1) . ")"; # Fill join table to have the same id's as 'query' for ($i= $from ; $i <= $to ; $i++) { $dbh->do("insert into $t2 values($i)") or die $DBI::errstr; } if ($opt_fast && defined($server->{vacuum})) { $server->vacuum(1,\$dbh,"bench1"); } time_fetch_all_rows("Testing SELECT ... WHERE id in ($to values)", "select_in", $query, $dbh, $range_loop_count); time_fetch_all_rows(undef, "select_join_in", "SELECT $t1.* FROM $t2 left outer join $t1 on ($t1.$id=$t2.$id)", $dbh, $range_loop_count); }