diff options
Diffstat (limited to 'tests/drop_test.pl')
| -rwxr-xr-x | tests/drop_test.pl | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/tests/drop_test.pl b/tests/drop_test.pl new file mode 100755 index 00000000000..9dcadf45c2e --- /dev/null +++ b/tests/drop_test.pl @@ -0,0 +1,220 @@ +#!/usr/bin/perl -w +# +# This is a test with uses processes to insert, select and drop tables. +# + +$opt_loop_count=100000; # Change this to make test harder/easier + +##################### Standard benchmark inits ############################## + +use DBI; +use Getopt::Long; +use Benchmark; + +package main; + +$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=""; $opt_db="test"; + +GetOptions("host=s","db=s","loop-count=i","skip-create","skip-in","skip-delete", +"verbose","fast-insert","lock-tables","debug","fast","force") || die "Aborted"; +$opt_verbose=$opt_debug=$opt_lock_tables=$opt_fast_insert=$opt_fast=$opt_skip_in=$opt_force=undef; # Ignore warnings from these + +print "Testing 5 multiple connections to a server with 1 insert, 2 drop/rename\n"; +print "1 select and 1 flush thread\n"; + +$firsttable = "bench_f1"; + +#### +#### Start timeing and start test +#### + +$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, ${firsttable}_1, ${firsttable}_2"); + + print "Creating table $firsttable in database $opt_db\n"; + $dbh->do("create table $firsttable (id int(6) not null, info varchar(32), marker char(1), primary key(id))") || die $DBI::errstr; + $dbh->disconnect; $dbh=0; # Close handler +} +$|= 1; # Autoflush + +#### +#### Start the tests +#### + +test_insert() if (($pid=fork()) == 0); $work{$pid}="insert"; +test_drop(1) if (($pid=fork()) == 0); $work{$pid}="drop 1"; +test_drop(2) if (($pid=fork()) == 0); $work{$pid}="drop 2"; +test_select() if (($pid=fork()) == 0); $work{$pid}="select"; +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", + $opt_user, $opt_password, + { PrintError => 0}) || die $DBI::errstr; + $dbh->do("drop table $firsttable"); + $dbh->disconnect; $dbh=0; # Close handler +} +print ($errors ? "Test failed\n" :"Test ok\n"); + +$end_time=new Benchmark; +print "Total time: " . + timestr(timediff($end_time, $start_time),"noc") . "\n"; + +exit(0); + +# +# Insert records in the table +# + +sub test_insert +{ + my ($dbh,$i); + + $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host", + $opt_user, $opt_password, + { PrintError => 0}) || die $DBI::errstr; + for ($i=0 ; $i < $opt_loop_count; $i++) + { + if (!$dbh->do("insert into $firsttable values ($i,'This is entry $i','')")) + { + print "Warning; Got error on insert: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/)); + } + } + $dbh->disconnect; $dbh=0; + print "Test_insert: Inserted $i rows\n"; + exit(0); +} + + +sub test_drop +{ + my ($id) = @_; + my ($dbh,$i,$sth,$error_counter,$sleep_time); + + $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host", + $opt_user, $opt_password, + { PrintError => 0}) || die $DBI::errstr; + $error_counter=0; + $sleep_time=2; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + sleep($sleep_time); + # Check if insert thread is ready + $sth=$dbh->prepare("select count(*) from $firsttable") || die "Got error on select from $firsttable: $dbh->errstr\n"; + if (!$sth->execute || !(@row = $sth->fetchrow_array()) || + !$row[0]) + { + $sth->finish; + $sleep_time=1; + last if ($error_counter++ == 5); + next; + } + $sleep_time=2; + $sth->finish; + + # Change to use a new table + $dbh->do("create table ${firsttable}_$id (id int(6) not null, info varchar(32), marker char(1), primary key(id))") || die $DBI::errstr; + $dbh->do("drop table if exists $firsttable") || die "Got error on drop table: $dbh->errstr\n"; + if (!$dbh->do("alter table ${firsttable}_$id rename to $firsttable")) + { + print "Warning; Got error from alter table: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /already exist/)); + $dbh->do("drop table if exists ${firsttable}_$id") || die "Got error on drop table: $dbh->errstr\n"; + } + } + $dbh->do("drop table if exists $firsttable,${firsttable}_$id") || die "Got error on drop table: $dbh->errstr\n"; + $dbh->disconnect; $dbh=0; + print "Test_drop: Did a drop $i times\n"; + exit(0); +} + + +# +# select records +# + +sub test_select +{ + my ($dbh,$i,$sth,@row,$error_counter,$sleep_time); + + $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host", + $opt_user, $opt_password, + { PrintError => 0}) || die $DBI::errstr; + + $error_counter=0; + $sleep_time=3; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + sleep($sleep_time); + $sth=$dbh->prepare("select sum(t.id) from $firsttable as t,$firsttable as t2") || die "Got error on select: $dbh->errstr;\n"; + if ($sth->execute) + { + @row = $sth->fetchrow_array(); + $sth->finish; + $sleep_time=3; + } + else + { + print "Warning; Got error from select: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/)); + $sth->finish; + last if ($error_counter++ == 5); + $sleep_time=1; + } + } + $dbh->disconnect; $dbh=0; + print "Test_select: ok\n"; + exit(0); +} + +# +# flush records +# + +sub test_flush +{ + my ($dbh,$i,$sth,@row,$error_counter,$sleep_time); + + $dbh = DBI->connect("DBI:mysql:$opt_db:$opt_host", + $opt_user, $opt_password, + { PrintError => 0}) || die $DBI::errstr; + + $error_counter=0; + $sleep_time=5; + for ($i=0 ; $i < $opt_loop_count ; $i++) + { + sleep($sleep_time); + $sth=$dbh->prepare("select count(*) from $firsttable") || die "Got error on prepar: $dbh->errstr;\n"; + if ($sth->execute) + { + @row = $sth->fetchrow_array(); + $sth->finish; + $sleep_time=5; + $dbh->do("flush tables $firsttable") || die "Got error on flush table: " . $dbh->errstr . "\n"; + } + else + { + print "Warning; Got error from select: " . $dbh->errstr . "\n" if (! ($dbh->errstr =~ /doesn't exist/)); + $sth->finish; + last if ($error_counter++ == 5); + $sleep_time=1; + } + } + $dbh->disconnect; $dbh=0; + print "Test_select: ok\n"; + exit(0); +} |