$is_broken_sqlite = 1;
}
-# bug in 0.07000 caused attr (join/prefetch) to be modifed by search
-# so we check the search & attr arrays are not modified
-my $search = { 'artist.name' => 'Caterwauler McCrae' };
-my $attr = { prefetch => [ qw/artist liner_notes/ ],
- order_by => 'me.cdid' };
-my $search_str = Dumper($search);
-my $attr_str = Dumper($attr);
-
-my $rs = $schema->resultset("CD")->search($search, $attr);
-
-is(Dumper($search), $search_str, 'Search hash untouched after search()');
-is(Dumper($attr), $attr_str, 'Attribute hash untouched after search()');
-cmp_ok($rs + 0, '==', 3, 'Correct number of records returned');
-
-# A search() with prefetch seems to pollute an already joined resultset
-# in a way that offsets future joins (adapted from a test case by Debolaz)
-{
- my ($cd_rs, $attrs);
-
- # test a real-life case - rs is obtained by an implicit m2m join
- $cd_rs = $schema->resultset ('Producer')->first->cds;
- $attrs = Dumper $cd_rs->{attrs};
-
- $cd_rs->search ({})->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after a simple search');
-
- lives_ok (sub {
- $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after search with prefetch');
- }, 'first prefetching search ok');
-
- lives_ok (sub {
- $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after another search with prefetch')
- }, 'second prefetching search ok');
-
-
- # test a regular rs with an empty seen_join injected - it should still work!
- $cd_rs = $schema->resultset ('CD');
- $cd_rs->{attrs}{seen_join} = {};
- $attrs = Dumper $cd_rs->{attrs};
-
- $cd_rs->search ({})->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after a simple search');
-
- lives_ok (sub {
- $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after search with prefetch');
- }, 'first prefetching search ok');
-
- lives_ok (sub {
- $cd_rs->search ({'artist.artistid' => 1}, { prefetch => 'artist' })->all;
- is (Dumper ($cd_rs->{attrs}), $attrs, 'Resultset attributes preserved after another search with prefetch')
- }, 'second prefetching search ok');
-}
-
-
my $queries = 0;
$schema->storage->debugcb(sub { $queries++; });
$schema->storage->debug(1);
is($queries, 0, 'chained search_related after has_many->has_many prefetch ran no queries');
-# once the following TODO is complete, remove the 2 warning tests immediately after the TODO block
-# (the TODO block itself contains tests ensuring that the warns are removed)
-TODO: {
- local $TODO = 'Prefetch of multiple has_many rels at the same level (currently warn to protect the clueless git)';
-
- #( 1 -> M + M )
- my $cd_rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' });
- my $pr_cd_rs = $cd_rs->search ({}, {
- prefetch => [qw/tracks tags/],
- });
-
- my $tracks_rs = $cd_rs->first->tracks;
- my $tracks_count = $tracks_rs->count;
-
- my ($pr_tracks_rs, $pr_tracks_count);
-
- $queries = 0;
- $schema->storage->debugcb(sub { $queries++ });
- $schema->storage->debug(1);
-
- my $o_mm_warn;
- {
- local $SIG{__WARN__} = sub { $o_mm_warn = shift };
- $pr_tracks_rs = $pr_cd_rs->first->tracks;
- };
- $pr_tracks_count = $pr_tracks_rs->count;
-
- ok(! $o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (1 -> M + M)');
-
- is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
- is($pr_tracks_count, $tracks_count, 'equal count of prefetched relations over several same level has_many\'s (1 -> M + M)');
-
- for ($pr_tracks_rs, $tracks_rs) {
- $_->result_class ('DBIx::Class::ResultClass::HashRefInflator');
- }
-
- is_deeply ([$pr_tracks_rs->all], [$tracks_rs->all], 'same structure returned with and without prefetch over several same level has_many\'s (1 -> M + M)');
-
- #( M -> 1 -> M + M )
- my $note_rs = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' });
- my $pr_note_rs = $note_rs->search ({}, {
- prefetch => {
- cd => [qw/tags tracks/]
- },
- });
-
- my $tags_rs = $note_rs->first->cd->tags;
- my $tags_count = $tags_rs->count;
-
- my ($pr_tags_rs, $pr_tags_count);
-
- $queries = 0;
- $schema->storage->debugcb(sub { $queries++ });
- $schema->storage->debug(1);
-
- my $m_o_mm_warn;
- {
- local $SIG{__WARN__} = sub { $m_o_mm_warn = shift };
- $pr_tags_rs = $pr_note_rs->first->cd->tags;
- };
- $pr_tags_count = $pr_tags_rs->count;
-
- ok(! $m_o_mm_warn, 'no warning on attempt to prefetch several same level has_many\'s (M -> 1 -> M + M)');
-
- is($queries, 1, 'prefetch one->(has_many,has_many) ran exactly 1 query');
-
- is($pr_tags_count, $tags_count, 'equal count of prefetched relations over several same level has_many\'s (M -> 1 -> M + M)');
-
- for ($pr_tags_rs, $tags_rs) {
- $_->result_class ('DBIx::Class::ResultClass::HashRefInflator');
- }
-
- is_deeply ([$pr_tags_rs->all], [$tags_rs->all], 'same structure returned with and without prefetch over several same level has_many\'s (M -> 1 -> M + M)');
-};
-
-# remove this closure once the TODO above is working
-my $w;
-{
- local $SIG{__WARN__} = sub { $w = shift };
-
- my $rs = $schema->resultset('CD')->search ({ 'me.title' => 'Forkful of bees' }, { prefetch => [qw/tracks tags/] });
- for (qw/all count next first/) {
- undef $w;
- my @stuff = $rs->search()->$_;
- like ($w, qr/will currently disrupt both the functionality of .rs->count\(\), and the amount of objects retrievable via .rs->next\(\)/,
- "warning on ->$_ attempt prefetching several same level has_manys (1 -> M + M)");
- }
- my $rs2 = $schema->resultset('LinerNotes')->search ({ notes => 'Buy Whiskey!' }, { prefetch => { cd => [qw/tags tracks/] } });
- for (qw/all count next first/) {
- undef $w;
- my @stuff = $rs2->search()->$_;
- like ($w, qr/will currently disrupt both the functionality of .rs->count\(\), and the amount of objects retrievable via .rs->next\(\)/,
- "warning on ->$_ attempt prefetching several same level has_manys (M -> 1 -> M + M)");
- }
-}
projects / dbsrgits/DBIx-Class.git / commitdiff