use lib qw(t/lib);
use DBICTest;
-my $schema = DBICTest->init_schema();
+my $schema = DBICTest->init_schema(no_populate => 1);
+
+$schema->resultset('Artist')->create({ name => 'JMJ', cds => [{
+ title => 'Magnetic Fields',
+ year => 1981,
+ genre => { name => 'electro' },
+ tracks => [
+ { title => 'm1' },
+ { title => 'm2' },
+ { title => 'm3' },
+ { title => 'm4' },
+ ],
+} ] });
+
+$schema->resultset('CD')->create({
+ title => 'Equinoxe',
+ year => 1978,
+ artist => { name => 'JMJ' },
+ genre => { name => 'electro' },
+ tracks => [
+ { title => 'e1' },
+ { title => 'e2' },
+ { title => 'e3' },
+ ],
+ single_track => {
+ title => 'o1',
+ cd => {
+ title => 'Oxygene',
+ year => 1976,
+ artist => { name => 'JMJ' },
+ tracks => [
+ { title => 'o2', position => 2}, # the position should not be here, bug in MC
+ ],
+ },
+ },
+});
my $rs = $schema->resultset ('CD')->search ({}, {
join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } } ],
{ 'genreid' => 'me.genreid' }, # nullable
{ 'tracks.title' => 'tracks.title' }, # non-unique (no me.id)
{ 'single_track.cd.artist.cds.cdid' => 'cds.cdid' }, # to give uniquiness to ...tracks.title below
- { 'single_track.cd.artist.cds.artist' => 'cds.artist' }, # non-unique
+ { 'single_track.cd.artist.artistid' => 'artist.artistid' }, # uniqufies entire parental chain
{ 'single_track.cd.artist.cds.year' => 'cds.year' }, # non-unique
{ 'single_track.cd.artist.cds.genreid' => 'cds.genreid' }, # nullable
{ 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' }, # unique when combined with ...cds.cdid above
- { 'latest_cd' => { max => 'cds.year' } }, # random function
+ { 'latest_cd' => \ "(SELECT MAX(year) FROM cd)" }, # random function
+ { 'title' => 'me.title' }, # uniquiness for me
+ { 'artist' => 'me.artist' }, # uniquiness for me
],
- result_class => 'DBIx::Class::ResultClass::HashRefInflator',
+ order_by => [{ -desc => 'cds.year' }, { -desc => 'me.title'} ],
});
-use Data::Dumper::Concise;
-die Dumper [$rs->all];
+my $hri_rs = $rs->search({}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' });
+
+is_deeply (
+ [$hri_rs->all],
+ [
+ {
+ artist => 1,
+ genreid => 1,
+ latest_cd => 1981,
+ single_track => {
+ cd => {
+ artist => {
+ artistid => 1,
+ cds => [
+ {
+ cdid => 1,
+ genreid => 1,
+ tracks => [
+ {
+ title => "m1"
+ },
+ {
+ title => "m2"
+ },
+ {
+ title => "m3"
+ },
+ {
+ title => "m4"
+ }
+ ],
+ year => 1981
+ },
+ {
+ cdid => 3,
+ genreid => 1,
+ tracks => [
+ {
+ title => "e1"
+ },
+ {
+ title => "e2"
+ },
+ {
+ title => "e3"
+ }
+ ],
+ year => 1978
+ },
+ {
+ cdid => 2,
+ genreid => undef,
+ tracks => [
+ {
+ title => "o1"
+ },
+ {
+ title => "o2"
+ }
+ ],
+ year => 1976
+ }
+ ]
+ }
+ }
+ },
+ title => "Equinoxe",
+ tracks => [
+ {
+ title => "e1"
+ },
+ {
+ title => "e2"
+ },
+ {
+ title => "e3"
+ }
+ ],
+ year => 1978
+ },
+ {
+ artist => 1,
+ genreid => undef,
+ latest_cd => 1981,
+ single_track => undef,
+ title => "Oxygene",
+ tracks => [
+ {
+ title => "o1"
+ },
+ {
+ title => "o2"
+ }
+ ],
+ year => 1976
+ },
+ {
+ artist => 1,
+ genreid => 1,
+ latest_cd => 1981,
+ single_track => undef,
+ title => "Magnetic Fields",
+ tracks => [
+ {
+ title => "m1"
+ },
+ {
+ title => "m2"
+ },
+ {
+ title => "m3"
+ },
+ {
+ title => "m4"
+ }
+ ],
+ year => 1981
+ },
+ ],
+ 'W00T, manual prefetch with collapse works'
+);
+
+TODO: {
+ my $row = $rs->next;
+ local $TODO = 'Something is wrong with filter type rels, they throw on incomplete objects >.<';
+
+ lives_ok {
+ is_deeply (
+ { $row->single_track->get_columns },
+ {},
+ 'empty intermediate object ok',
+ )
+ } 'no exception';
+}
+
+is ($rs->cursor->next, undef, 'cursor exhausted');
+
+
+TODO: {
+local $TODO = 'this does not work at all, need to promote rsattrs to an object on its own';
+# make sure has_many column redirection does not do weird stuff when collapse is requested
+for my $pref_args (
+ { prefetch => 'cds'},
+ { collapse => 1 }
+) {
+ for my $col_and_join_args (
+ { '+columns' => { 'cd_title' => 'cds_2.title' }, join => [ 'cds', 'cds' ] },
+ { '+columns' => { 'cd_title' => 'cds.title' }, join => 'cds', }
+ ) {
+
+ my $weird_rs = $schema->resultset('Artist')->search({}, {
+ %$col_and_join_args, %$pref_args,
+ });
+
+ for (qw/next all first/) {
+ throws_ok { $weird_rs->$_ } qr/not yet determined exception text/;
+ }
+ }
+}
+}
+
+# multi-has_many with underdefined root, with rather random order
+$rs = $schema->resultset ('CD')->search ({}, {
+ join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } } ],
+ collapse => 1,
+ columns => [
+ { 'single_track.trackid' => 'single_track.trackid' }, # definitive link to root from 1:1:1:1:M:M chain
+ { 'year' => 'me.year' }, # non-unique
+ { 'tracks.cd' => 'tracks.cd' }, # \ together both uniqueness for second multirel
+ { 'tracks.title' => 'tracks.title' }, # / and definitive link back to root
+ { 'single_track.cd.artist.cds.cdid' => 'cds.cdid' }, # to give uniquiness to ...tracks.title below
+ { 'single_track.cd.artist.cds.year' => 'cds.year' }, # non-unique
+ { 'single_track.cd.artist.artistid' => 'artist.artistid' }, # uniqufies entire parental chain
+ { 'single_track.cd.artist.cds.genreid' => 'cds.genreid' }, # nullable
+ { 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' }, # unique when combined with ...cds.cdid above
+ ],
+});
+
+for (1..3) {
+ $rs->create({ artist => 1, year => 1977, title => "fuzzy_$_" });
+}
+
+my $rs_random = $rs->search({}, { order_by => \ 'RANDOM()' });
+is ($rs_random->count, 6, 'row count matches');
+
+if ($ENV{TEST_VERBOSE}) {
+ my @lines = (
+ [ "What are we actually trying to collapse (Select/As, tests below will see a *DIFFERENT* random order):" ],
+ [ map { my $s = $_; $s =~ s/single_track\./sngl_tr./; $s } @{$rs_random->{_attrs}{select} } ],
+ $rs_random->{_attrs}{as},
+ [ "-" x 159 ],
+ $rs_random->cursor->all,
+ );
+
+ diag join ' # ', map { sprintf '% 15s', (defined $_ ? $_ : 'NULL') } @$_
+ for @lines;
+}
+
+my $queries = 0;
+$schema->storage->debugcb(sub { $queries++ });
+my $orig_debug = $schema->storage->debug;
+$schema->storage->debug (1);
+
+for my $use_next (0, 1) {
+ my @random_cds;
+ if ($use_next) {
+ while (my $o = $rs_random->next) {
+ push @random_cds, $o;
+ }
+ }
+ else {
+ @random_cds = $rs_random->all;
+ }
+
+ is (@random_cds, 6, 'object count matches');
+
+ for my $cd (@random_cds) {
+ if ($cd->year == 1977) {
+ is( scalar $cd->tracks, 0, 'no tracks on 1977 cd' );
+ is( $cd->single_track, undef, 'no single_track on 1977 cd' );
+ }
+ elsif ($cd->year == 1976) {
+ is( scalar $cd->tracks, 2, 'Two tracks on 1976 cd' );
+ like( $_->title, qr/^o\d/, "correct title" )
+ for $cd->tracks;
+ is( $cd->single_track, undef, 'no single_track on 1976 cd' );
+ }
+ elsif ($cd->year == 1981) {
+ is( scalar $cd->tracks, 4, 'Four tracks on 1981 cd' );
+ like( $_->title, qr/^m\d/, "correct title" )
+ for $cd->tracks;
+ is( $cd->single_track, undef, 'no single_track on 1981 cd' );
+ }
+ elsif ($cd->year == 1978) {
+ is( scalar $cd->tracks, 3, 'Three tracks on 1978 cd' );
+ like( $_->title, qr/^e\d/, "correct title" )
+ for $cd->tracks;
+ ok( defined $cd->single_track, 'single track prefetched on 1987 cd' );
+ # FIXME - crap! skipping prefetch also doesn't work, next commit
+ #is( $cd->single_track->cd->artist->id, 1, 'Single_track->cd->artist prefetched on 1978 cd' );
+ #is( scalar $cd->single_track->cd->artist->cds, 6, '6 cds prefetched on artist' );
+ }
+ }
+}
+
+$schema->storage->debugcb(undef);
+$schema->storage->debug($orig_debug);
+is ($queries, 2, "Only two queries for rwo prefetch calls total");
+
+# can't is_deeply a random set - need *some* order
+my @hris = sort { $a->{year} cmp $b->{year} } @{$rs->search({}, {
+ order_by => [ 'tracks_2.title', 'tracks.title', 'cds.cdid', \ 'RANDOM()' ],
+})->all_hri};
+is (@hris, 6, 'hri count matches' );
+is_deeply (\@hris, [
+ {
+ single_track => undef,
+ tracks => [
+ {
+ cd => 2,
+ title => "o1"
+ },
+ {
+ cd => 2,
+ title => "o2"
+ }
+ ],
+ year => 1976
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ single_track => {
+ cd => {
+ artist => {
+ artistid => 1,
+ cds => [
+ {
+ cdid => 4,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 5,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 6,
+ genreid => undef,
+ tracks => [],
+ year => 1977
+ },
+ {
+ cdid => 3,
+ genreid => 1,
+ tracks => [
+ {
+ title => "e1"
+ },
+ {
+ title => "e2"
+ },
+ {
+ title => "e3"
+ }
+ ],
+ year => 1978
+ },
+ {
+ cdid => 1,
+ genreid => 1,
+ tracks => [
+ {
+ title => "m1"
+ },
+ {
+ title => "m2"
+ },
+ {
+ title => "m3"
+ },
+ {
+ title => "m4"
+ }
+ ],
+ year => 1981
+ },
+ {
+ cdid => 2,
+ genreid => undef,
+ tracks => [
+ {
+ title => "o1"
+ },
+ {
+ title => "o2"
+ }
+ ],
+ year => 1976
+ }
+ ]
+ }
+ },
+ trackid => 6
+ },
+ tracks => [
+ {
+ cd => 3,
+ title => "e1"
+ },
+ {
+ cd => 3,
+ title => "e2"
+ },
+ {
+ cd => 3,
+ title => "e3"
+ },
+ ],
+ year => 1978
+ },
+ {
+ single_track => undef,
+ tracks => [
+ {
+ cd => 1,
+ title => "m1"
+ },
+ {
+ cd => 1,
+ title => "m2"
+ },
+ {
+ cd => 1,
+ title => "m3"
+ },
+ {
+ cd => 1,
+ title => "m4"
+ },
+ ],
+ year => 1981
+ },
+], 'W00T, multi-has_many manual underdefined root prefetch with collapse works');
+done_testing;
projects / dbsrgits/DBIx-Class.git / blobdiff