9 my $schema = DBICTest->init_schema();
11 my $artist = $schema->resultset ('Artist')->find ({artistid => 1});
12 is ($artist->cds->count, 3, 'Correct number of CDs');
13 is ($artist->cds->search_related ('genre')->count, 1, 'Only one of the cds has a genre');
16 my $orig_cb = $schema->storage->debugcb;
17 $schema->storage->debugcb(sub { $queries++ });
18 $schema->storage->debug(1);
21 my $pref = $schema->resultset ('Artist')
22 ->search ({ 'me.artistid' => $artist->id }, { prefetch => { cds => 'genre' } })
25 is ($pref->cds->count, 3, 'Correct number of CDs prefetched');
26 is ($pref->cds->search_related ('genre')->count, 1, 'Only one of the prefetched cds has a prefetched genre');
29 is ($queries, 1, 'All happened within one query only');
30 $schema->storage->debugcb($orig_cb);
31 $schema->storage->debug(0);