insert_and_repair.pl
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
源码类别:
MySQL数据库
开发平台:
Visual C++
- #!/usr/bin/perl -w
- #
- # This is a test of insert and repair/check.
- #
- $opt_loop_count=100000; # 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","user=s","password=s") || die "Aborted";
- $opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these
- $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",
- $opt_user, $opt_password,
- { PrintError => 0}) || die $DBI::errstr;
- $dbh->do("drop table if exists $firsttable, $secondtable");
- print "Creating tables $firsttable and $secondtable in database $opt_dbn";
- $dbh->do("create table $firsttable (id int(7) not null, thread tinyint not null, info varchar(32), marker char(1), primary key(id,thread))") or die $DBI::errstr;
- $dbh->do("create table $secondtable (id int(7) not null, thread tinyint not null, row int(3) not null,value double, primary key(id,thread,row)) delay_key_write=1") or die $DBI::errstr;
- $dbh->disconnect; $dbh=0; # Close handler
- }
- $|= 1; # Autoflush
- ####
- #### Start the tests
- ####
- insert_in_bench1() if (($pid=fork()) == 0); $work{$pid}="insert in bench1";
- insert_in_bench2() if (($pid=fork()) == 0); $work{$pid}="insert in bench2";
- repair_and_check() if (($pid=fork()) == 0); $work{$pid}="repair/check";
- $errors=0;
- while (($pid=wait()) != -1)
- {
- $ret=$?/256;
- print "thread '" . $work{$pid} . "' finished with exit code $retn";
- $errors++ if ($ret != 0);
- }
- if (!$opt_skip_delete && !$errors)
- {
- $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
- $opt_user, $opt_password,
- { PrintError => 0}) || die $DBI::errstr;
- $dbh->do("drop table $firsttable,$secondtable");
- }
- print ($errors ? "Test failedn" :"Test okn");
- $end_time=new Benchmark;
- print "Total time: " .
- timestr(timediff($end_time, $start_time),"noc") . "n";
- exit(0);
- #
- # Insert records in the two tables
- #
- sub insert_in_bench1
- {
- my ($dbh,$rows,$found,$i);
- $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
- $opt_user, $opt_password,
- { PrintError => 0}) || die $DBI::errstr;
- $rows=$found=0;
- for ($i=0 ; $i < $opt_loop_count; $i++)
- {
- $sth=$dbh->do("insert into $firsttable values ($i,0,'This is entry $i','')") || die "Got error on insert: $DBI::errstrn";
- $row_count=($i % 7)+1;
- $rows+=1+$row_count;
- for ($j=0 ; $j < $row_count; $j++)
- {
- $sth=$dbh->do("insert into $secondtable values ($i,0,$j,0)") || die "Got error on insert: $DBI::errstrn";
- }
- }
- $dbh->disconnect; $dbh=0;
- print "insert_in_bench1: Inserted $rows rowsn";
- exit(0);
- }
- sub insert_in_bench2
- {
- my ($dbh,$rows,$found,$i);
- $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host",
- $opt_user, $opt_password,
- { PrintError => 0}) || die $DBI::errstr;
- $rows=$found=0;
- for ($i=0 ; $i < $opt_loop_count; $i++)
- {
- $sth=$dbh->do("insert into $firsttable values ($i,1,'This is entry $i','')") || die "Got error on insert: $DBI::errstrn";
- $row_count=((7-$i) % 7)+1;
- $rows+=1+$row_count;
- for ($j=0 ; $j < $row_count; $j++)
- {
- $sth=$dbh->do("insert into $secondtable values ($i,1,$j,0)") || die "Got error on insert: $DBI::errstrn";
- }
- }
- $dbh->disconnect; $dbh=0;
- print "insert_in_bench2: Inserted $rows rowsn";
- exit(0);
- }
- sub repair_and_check
- {
- my ($dbh,$row,@row,$found1,$found2,$last_found1,$last_found2,$i,$type,
- $table);
- $found1=$found2=0; $last_found1=$last_found2= -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 && $found2 != $last_found1 ; $i++)
- {
- $type=($i & 2) ? "repair" : "check";
- if ($i & 1)
- {
- $table=$firsttable;
- $last_found1=$found1;
- }
- else
- {
- $table=$secondtable;
- $last_found2=$found2;
- }
- $sth=$dbh->prepare("$type table $table") || die "Got error on prepare: $dbh->errstrn";
- $sth->execute || die $dbh->errstr;
- while (($row=$sth->fetchrow_arrayref))
- {
- if ($row->[3] ne "OK")
- {
- print "Got error " . $row->[3] . " when doing $type on $tablen";
- exit(1);
- }
- }
- $sth=$dbh->prepare("select count(*) from $table") || die "Got error on prepare: $dbh->errstrn";
- $sth->execute || die $dbh->errstr;
- @row = $sth->fetchrow_array();
- if ($i & 1)
- {
- $found1= $row[0];
- }
- else
- {
- $found2= $row[0];
- }
- $sth->finish;
- sleep(2);
- }
- $dbh->disconnect; $dbh=0;
- print "check/repair: Did $i repair/checksn";
- exit(0);
- }