📄 test_delayed_insert.pl
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#!/usr/bin/perl -w# This is a test for INSERT DELAYED#$opt_loop_count=10000; # Change this to make test harder/easier##################### Standard benchmark inits ##############################use DBI;use Getopt::Long;use Benchmark;package main;$opt_skip_create=$opt_skip_in=$opt_verbose=$opt_fast_insert= $opt_lock_tables=$opt_debug=$opt_skip_delete=$opt_fast=$opt_force=0;$opt_host=$opt_user=$opt_password=""; $opt_db="test";GetOptions("host=s","db=s","loop-count=i","skip-create","skip-in","skip-delete","verbose","fast-insert","lock-tables","debug","fast","force") || die "Aborted";$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from theseprint "Testing 8 multiple connections to a server with 1 insert, 2 delayed\n";print "insert, 1 update, 1 delete, 1 flush tables and 3 select connections.\n";$firsttable = "bench_f1";$secondtable = "bench_f2";#### #### Start timeing and start test####$start_time=new Benchmark;if (!$opt_skip_create){ $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $Mysql::QUIET = 1; $dbh->do("drop table if exists $firsttable,$secondtable"); $Mysql::QUIET = 0; print "Creating tables $firsttable and $secondtable in database $opt_db\n"; $dbh->do("create table $firsttable (id int(6) not null, info varchar(32), marker char(1), primary key(id))") or die $DBI::errstr; $dbh->do("create table $secondtable (id int(6) not null, row int(3) not null,value double, primary key(id,row))") or die $DBI::errstr; $dbh->disconnect;}$|= 1; # Autoflush######## Start the tests####test_1() if (($pid=fork()) == 0); $work{$pid}="insert";test_delayed_1() if (($pid=fork()) == 0); $work{$pid}="delayed_insert1";test_delayed_2() if (($pid=fork()) == 0); $work{$pid}="delayed_insert2";test_2() if (($pid=fork()) == 0); $work{$pid}="update";test_3() if (($pid=fork()) == 0); $work{$pid}="select1";test_4() if (($pid=fork()) == 0); $work{$pid}="select2";test_5() if (($pid=fork()) == 0); $work{$pid}="select3";test_del() if (($pid=fork()) == 0); $work{$pid}="delete";test_flush() if (($pid=fork()) == 0); $work{$pid}="flush";$errors=0;while (($pid=wait()) != -1){ $ret=$?/256; print "thread '" . $work{$pid} . "' finished with exit code $ret\n"; $errors++ if ($ret != 0);}if (!$opt_skip_delete && !$errors){ $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $dbh->do("drop table $firsttable"); $dbh->do("drop table $secondtable");}print ($errors ? "Test failed\n" :"Test ok\n");$end_time=new Benchmark;print "Total time: " . timestr(timediff($end_time, $start_time),"noc") . "\n";exit(0);## Insert records in the two tables# sub test_1{ my ($dbh,$tmpvar,$rows,$found,$i); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=1; $rows=$found=0; for ($i=0 ; $i < $opt_loop_count; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); $dbh->do("insert into $firsttable values ($i,'This is entry $i','')") || die "Got error on insert: $DBI::errstr\n"; $row_count=($i % 7)+1; $rows+=1+$row_count; for ($j=0 ; $j < $row_count; $j++) { $dbh->do("insert into $secondtable values ($i,$j,0)") || die "Got error on insert: $DBI::errstr\n"; } } $dbh->disconnect; print "Test_1: Inserted $rows rows\n"; exit(0);}sub test_delayed_1{ my ($dbh,$tmpvar,$rows,$found,$i,$id); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=1; $rows=$found=0; for ($i=0 ; $i < $opt_loop_count; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); $id=$i+$opt_loop_count; $dbh->do("insert delayed into $firsttable values ($id,'This is entry $id','')") || die "Got error on insert: $DBI::errstr\n"; $row_count=($i % 7)+1; $rows+=1+$row_count; for ($j=0 ; $j < $row_count; $j++) { $dbh->do("insert into $secondtable values ($id,$j,0)") || die "Got error on insert: $DBI::errstr\n"; } if (($tmpvar % 100) == 0) { $dbh->do("select max(info) from $firsttable") || die "Got error on select max(info): $DBI::errstr\n"; $dbh->do("select max(value) from $secondtable") || die "Got error on select max(info): $DBI::errstr\n"; $found+=2; } } $dbh->disconnect; print "Test_1: Inserted delayed $rows rows, found $found rows\n"; exit(0);}sub test_delayed_2{ my ($dbh,$tmpvar,$rows,$found,$i,$id); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=1; $rows=$found=0; for ($i=0 ; $i < $opt_loop_count; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); $id=$i+$opt_loop_count*2; $dbh->do("insert delayed into $firsttable values ($id,'This is entry $id','')") || die "Got error on insert: $DBI::errstr\n"; $row_count=($i % 7)+1; $rows+=1+$row_count; for ($j=0 ; $j < $row_count; $j++) { $dbh->do("insert delayed into $secondtable values ($id,$j,0)") || die "Got error on insert: $DBI::errstr\n"; } if (($tmpvar % 100) == 0) { $dbh->do("select max(info) from $firsttable") || die "Got error on select max(info): $DBI::errstr\n"; $dbh->do("select max(value) from $secondtable") || die "Got error on select max(info): $DBI::errstr\n"; $found+=2; } } $dbh->disconnect; print "Test_1: Inserted delayed $rows rows, found $found rows\n"; exit(0);}## Update records in both tables#sub test_2{ my ($dbh,$id,$tmpvar,$rows,$found,$i,$max_id,$tmp,$sth,$count); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=111111; $rows=$found=$max_id=$id=0; for ($i=0 ; $i < $opt_loop_count ; $i++) { $tmp=(($tmpvar + 63) + $i)*3; $tmp=$tmp-int($tmp/100000)*100000; $tmpvar^= $tmp; $tmp=$tmpvar - int($tmpvar/10)*10; if ($max_id*$tmp == 0) { $max_id=0; $sth=$dbh->prepare("select max(id) from $firsttable where marker=''"); $sth->execute() || die "Got error select max: $DBI::errstr\n"; if ((@row = $sth->fetchrow_array()) && defined($row[0])) { $found++; $max_id=$id=$row[0]; } $sth->finish; } else { $id= $tmpvar % ($max_id-1)+1; } if ($id) { ($count=$dbh->do("update $firsttable set marker='x' where id=$id")) || die "Got error update $firsttable: $DBI::errstr\n"; $rows+=$count; if ($count > 0) { $count=$dbh->do("update $secondtable set value=$i where id=$id") || die "Got error update $firsttable: $DBI::errstr\n"; $rows+=$count; } } } $dbh->disconnect; print "Test_2: Found $found rows, Updated $rows rows\n"; exit(0);}## select records#sub test_3{ my ($dbh,$id,$tmpvar,$rows,$i,$count); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=222222; $rows=0; for ($i=0 ; $i < $opt_loop_count ; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); $id=$tmpvar % $opt_loop_count; $count=$dbh->do("select id from $firsttable where id=$id") || die "Got error on select from $firsttable: $DBI::errstr\n"; $rows+=$count; } $dbh->disconnect; print "Test_3: Found $rows rows\n"; exit(0);}## Note that this uses row=1 and in some cases won't find any matching# records#sub test_4{ my ($dbh,$id,$tmpvar,$rows,$i,$count); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=333333; $rows=0; for ($i=0 ; $i < $opt_loop_count; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); $id=$tmpvar % $opt_loop_count; $count=$dbh->do("select id from $secondtable where id=$id") || die "Got error on select from $secondtable: $DBI::errstr\n"; $rows+=$count; } $dbh->disconnect; print "Test_4: Found $rows rows\n"; exit(0);}sub test_5{ my ($dbh,$id,$tmpvar,$rows,$i,$max_id,$count,$sth); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $tmpvar=444444; $rows=$max_id=0; for ($i=0 ; $i < $opt_loop_count ; $i++) { $tmpvar^= ((($tmpvar + 63) + $i)*3 % 100000); if ($max_id == 0 || ($tmpvar % 10 == 0)) { $sth=$dbh->prepare("select max(id) from $firsttable"); $sth->execute() || die "Got error select max: $DBI::errstr\n"; if ((@row = $sth->fetchrow_array()) && defined($row[0])) { $max_id=$id=$row[0]; } else { $id=0; } $sth->finish; } else { $id= $tmpvar % $max_id; } $count=$dbh->do("select value from $firsttable,$secondtable where $firsttable.id=$id and $secondtable.id=$firsttable.id") || die "Got error on select from $secondtable: $DBI::errstr\n"; $rows+=$count; } $dbh->disconnect; print "Test_5: Found $rows rows\n"; exit(0);}## Delete the smallest row#sub test_del{ my ($dbh,$min_id,$i,$sth,$rows); $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host") || die $DBI::errstr; $rows=0; for ($i=0 ; $i < $opt_loop_count/3; $i++) { $sth=$dbh->prepare("select min(id) from $firsttable"); $sth->execute() || die "Got error on select from $firsttable: $DBI::errstr\n"; if ((@row = $sth->fetchrow_array()) && defined($row[0])) { $min_id=$row[0]; } $sth->finish; $dbh->do("delete from $firsttable where id = $min_id") || die "Got error on DELETE from $firsttable: $DBI::errstr\n"; $rows++; } $dbh->disconnect; print "Test_del: Deleted $rows rows\n"; exit(0);}## Do a flush tables once in a while#sub test_flush{ my ($dbh,$sth,$found1,$last_found1,$i,@row); $found1=0; $last_found1=-1; $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host", $opt_user, $opt_password, { PrintError => 0}) || die $DBI::errstr; for ($i=0; $found1 != $last_found1 ; $i++) { $sth=$dbh->prepare("flush tables") || die "Got error on prepare: $dbh->errstr\n"; $sth->execute || die $dbh->errstr; $sth->finish; $sth=$dbh->prepare("select count(*) from $firsttable") || die "Got error on prepare: $dbh->errstr\n"; $sth->execute || die $dbh->errstr; @row = $sth->fetchrow_array(); $last_found1=$found1; $found1= $row[0]; $sth->finish; sleep(5); } $dbh->disconnect; $dbh=0; print "flush: Did $i repair/checks\n"; exit(0);}
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