3 unless ($Config{useithreads}) {
4 print "1..0 # SKIP your perl does not support ithreads\n";
16 plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
19 use DBIx::Class::Optional::Dependencies ();
23 plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_pg')
24 unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_pg');
26 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
27 plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
28 . ' (note: creates and drops a table named artist!)' unless ($dsn && $user);
30 # README: If you set the env var to a number greater than 10,
31 # we will use that many children
32 my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
33 if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
37 use_ok('DBICTest::Schema');
39 my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
44 my $dbh = $schema->storage->dbh;
47 local $SIG{__WARN__} = sub {};
48 eval { $dbh->do("DROP TABLE cd") };
49 $dbh->do("CREATE TABLE cd (cdid serial PRIMARY KEY, artist INTEGER NOT NULL UNIQUE, title VARCHAR(100) NOT NULL UNIQUE, year VARCHAR(100) NOT NULL, genreid INTEGER, single_track INTEGER);");
52 $schema->resultset('CD')->create({ title => 'vacation in antarctica', artist => 123, year => 1901 });
53 $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
55 $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
57 }, 'populate successfull');
60 while(@children < $num_children) {
62 my $newthread = async {
63 my $tid = threads->tid;
65 my $child_rs = $schema->resultset('CD')->search({ year => 1901 });
66 my $row = $parent_rs->next;
67 if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
68 $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
70 sleep(1); # tasty crashes without this
72 die "Thread creation failed: $! $@" if !defined $newthread;
73 push(@children, $newthread);
76 ok(1, "past spawning");
79 $_->join for(@children);
82 ok(1, "past joining");
85 my $child = pop(@children);
86 my $tid = $child->tid;
87 my $rs = $schema->resultset('CD')->search({ title => "test success $tid", artist => $tid, year => scalar(@children) });
88 is($rs->next->get_column('artist'), $tid, "Child $tid successful");
91 ok(1, "Made it to the end");
93 $schema->storage->dbh->do("DROP TABLE cd");