10 my $schema = DBICTest->init_schema();
13 my $no_prefetch = $schema->resultset('Track')->search_related(cd =>
19 order_by => 'me.trackid',
24 my $use_prefetch = $no_prefetch->search(
31 is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match');
33 scalar ($use_prefetch->all),
34 scalar ($no_prefetch->all),
35 "Amount of returned rows is right"
38 }, 'search_related prefetch with order_by works');
41 my $no_prefetch = $schema->resultset('Track')->search_related(cd =>
52 my $use_prefetch = $no_prefetch->search(
60 scalar ($use_prefetch->all),
61 scalar ($no_prefetch->all),
62 "Amount of returned rows is right"
64 is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match');
66 }, 'search_related prefetch with condition referencing unqualified column of a joined table works');
69 my $rs = $schema->resultset("Artwork")->search(undef, {distinct => 1})
70 ->search_related('artwork_to_artist')->search_related('artist',
72 { prefetch => 'cds' },
74 is($rs->all, 0, 'prefetch without WHERE (objects)');
75 is($rs->count, 0, 'prefetch without WHERE (count)');
77 $rs = $schema->resultset("Artwork")->search(undef, {distinct => 1})
78 ->search_related('artwork_to_artist')->search_related('artist',
79 { 'cds.title' => 'foo' },
80 { prefetch => 'cds' },
82 is($rs->all, 0, 'prefetch with WHERE (objects)');
83 is($rs->count, 0, 'prefetch with WHERE (count)');
86 # test where conditions at the root of the related chain
87 my $artist_rs = $schema->resultset("Artist")->search({artistid => 2});
88 my $artist = $artist_rs->next;
89 $artist->create_related ('cds', $_) for (
91 year => 1999, title => 'vague cd', genre => { name => 'vague genre' }
94 year => 1999, title => 'vague cd2', genre => { name => 'vague genre' }
98 $rs = $artist_rs->search_related('cds')->search_related('genre',
99 { 'genre.name' => 'vague genre' },
100 { prefetch => 'cds' },
102 is($rs->all, 1, 'base without distinct (objects)');
103 is($rs->count, 1, 'base without distinct (count)');
104 # artist -> 2 cds -> 2 genres -> 2 cds for each genre = 4
105 is($rs->search_related('cds')->all, 4, 'prefetch without distinct (objects)');
106 is($rs->search_related('cds')->count, 4, 'prefetch without distinct (count)');
109 $rs = $artist_rs->search_related('cds', {}, { distinct => 1})->search_related('genre',
110 { 'genre.name' => 'vague genre' },
112 is($rs->all, 2, 'distinct does not propagate over search_related (objects)');
113 is($rs->count, 2, 'distinct does not propagate over search_related (count)');
115 $rs = $rs->search ({}, { distinct => 1} );
116 is($rs->all, 1, 'distinct without prefetch (objects)');
117 is($rs->count, 1, 'distinct without prefetch (count)');
120 $rs = $artist_rs->search_related('cds')->search_related('genre',
121 { 'genre.name' => 'vague genre' },
122 { prefetch => 'cds', distinct => 1 },
124 is($rs->all, 1, 'distinct with prefetch (objects)');
125 is($rs->count, 1, 'distinct with prefetch (count)');
128 local $TODO = "This makes another 2 trips to the database, it can't be right";
129 # artist -> 2 cds -> 2 genres -> 2 cds for each genre + distinct = 2
130 is($rs->search_related('cds')->all, 2, 'prefetched distinct with prefetch (objects)');
131 is($rs->search_related('cds')->count, 2, 'prefetched distinct with prefetch (count)');
134 }, 'distinct generally works with prefetch on deep search_related chains');