11 my $schema = DBICTest->init_schema(no_populate => 1);
13 $schema->resultset('Artist')->create({ name => 'JMJ', cds => [{
14 title => 'Magnetic Fields',
16 genre => { name => 'electro' },
25 $schema->resultset('CD')->create({
28 artist => { name => 'JMJ' },
29 genre => { name => 'electro' },
40 artist => { name => 'JMJ' },
42 { title => 'o2', position => 2}, # the position should not be here, bug in MC
48 my $rs = $schema->resultset ('CD')->search ({}, {
49 join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } } ],
52 { 'year' => 'me.year' }, # non-unique
53 { 'genreid' => 'me.genreid' }, # nullable
54 { 'tracks.title' => 'tracks.title' }, # non-unique (no me.id)
55 { 'single_track.cd.artist.cds.cdid' => 'cds.cdid' }, # to give uniquiness to ...tracks.title below
56 { 'single_track.cd.artist.artistid' => 'artist.artistid' }, # uniqufies entire parental chain
57 { 'single_track.cd.artist.cds.year' => 'cds.year' }, # non-unique
58 { 'single_track.cd.artist.cds.genreid' => 'cds.genreid' }, # nullable
59 { 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' }, # unique when combined with ...cds.cdid above
60 { 'latest_cd' => \ "(SELECT MAX(year) FROM cd)" }, # random function
61 { 'title' => 'me.title' }, # uniquiness for me
62 { 'artist' => 'me.artist' }, # uniquiness for me
64 order_by => [{ -desc => 'cds.year' }, { -desc => 'me.title'} ],
67 my $hri_rs = $rs->search({}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' });
151 single_track => undef,
167 single_track => undef,
168 title => "Magnetic Fields",
186 'W00T, manual prefetch with collapse works'
190 my ($row) = $rs->all;
191 local $TODO = 'Something is wrong with filter type rels, they throw on incomplete objects >.<';
195 { $row->single_track->get_columns },
197 'empty intermediate object ok',
203 local $TODO = 'this does not work at all, need to promote rsattrs to an object on its own';
204 # make sure has_many column redirection does not do weird stuff when collapse is requested
206 { prefetch => 'cds'},
209 for my $col_and_join_args (
210 { '+columns' => { 'cd_title' => 'cds_2.title' }, join => [ 'cds', 'cds' ] },
211 { '+columns' => { 'cd_title' => 'cds.title' }, join => 'cds', }
214 my $weird_rs = $schema->resultset('Artist')->search({}, {
215 %$col_and_join_args, %$pref_args,
218 for (qw/next all first/) {
219 throws_ok { $weird_rs->$_ } qr/not yet determined exception text/;
225 # multi-has_many with underdefined root, with rather random order
226 $rs = $schema->resultset ('CD')->search ({}, {
227 join => [ 'tracks', { single_track => { cd => { artist => { cds => 'tracks' } } } } ],
230 { 'single_track.trackid' => 'single_track.trackid' }, # definitive link to root from 1:1:1:1:M:M chain
231 { 'year' => 'me.year' }, # non-unique
232 { 'tracks.cd' => 'tracks.cd' }, # \ together both uniqueness for second multirel
233 { 'tracks.title' => 'tracks.title' }, # / and definitive link back to root
234 { 'single_track.cd.artist.cds.cdid' => 'cds.cdid' }, # to give uniquiness to ...tracks.title below
235 { 'single_track.cd.artist.cds.year' => 'cds.year' }, # non-unique
236 { 'single_track.cd.artist.artistid' => 'artist.artistid' }, # uniqufies entire parental chain
237 { 'single_track.cd.artist.cds.genreid' => 'cds.genreid' }, # nullable
238 { 'single_track.cd.artist.cds.tracks.title' => 'tracks_2.title' }, # unique when combined with ...cds.cdid above
243 $rs->create({ artist => 1, year => 1977, title => "fuzzy_$_" });
246 my $rs_random = $rs->search({}, { order_by => \ 'RANDOM()' });
247 is ($rs_random->count, 6, 'row count matches');
249 if ($ENV{TEST_VERBOSE}) {
251 [ "What are we actually trying to collapse (Select/As, tests below will see a *DIFFERENT* random order):" ],
252 [ map { my $s = $_; $s =~ s/single_track\./sngl_tr./; $s } @{$rs_random->{_attrs}{select} } ],
253 $rs_random->{_attrs}{as},
255 $rs_random->cursor->all,
258 diag join ' # ', map { sprintf '% 15s', (defined $_ ? $_ : 'NULL') } @$_
263 $schema->storage->debugcb(sub { $queries++ });
264 my $orig_debug = $schema->storage->debug;
265 $schema->storage->debug (1);
267 for my $use_next (0, 1) {
271 while (my $o = $rs_random->next) {
272 push @random_cds, $o;
274 } qr/performed an eager cursor slurp underneath/,
275 'Warned on auto-eager cursor';
278 @random_cds = $rs_random->all;
281 is (@random_cds, 6, 'object count matches');
283 for my $cd (@random_cds) {
284 if ($cd->year == 1977) {
285 is( scalar $cd->tracks, 0, 'no tracks on 1977 cd' );
286 is( $cd->single_track, undef, 'no single_track on 1977 cd' );
288 elsif ($cd->year == 1976) {
289 is( scalar $cd->tracks, 2, 'Two tracks on 1976 cd' );
290 like( $_->title, qr/^o\d/, "correct title" )
292 is( $cd->single_track, undef, 'no single_track on 1976 cd' );
294 elsif ($cd->year == 1981) {
295 is( scalar $cd->tracks, 4, 'Four tracks on 1981 cd' );
296 like( $_->title, qr/^m\d/, "correct title" )
298 is( $cd->single_track, undef, 'no single_track on 1981 cd' );
300 elsif ($cd->year == 1978) {
301 is( scalar $cd->tracks, 3, 'Three tracks on 1978 cd' );
302 like( $_->title, qr/^e\d/, "correct title" )
304 ok( defined $cd->single_track, 'single track prefetched on 1987 cd' );
305 is( $cd->single_track->cd->artist->id, 1, 'Single_track->cd->artist prefetched on 1978 cd' );
306 is( scalar $cd->single_track->cd->artist->cds, 6, '6 cds prefetched on artist' );
311 $schema->storage->debugcb(undef);
312 $schema->storage->debug($orig_debug);
313 is ($queries, 2, "Only two queries for rwo prefetch calls total");
315 # can't cmp_deeply a random set - need *some* order
316 my $ord_rs = $rs->search({}, {
317 order_by => [ 'tracks_2.title', 'tracks.title', 'cds.cdid', \ 'RANDOM()' ],
318 result_class => 'DBIx::Class::ResultClass::HashRefInflator',
320 my @hris_all = sort { $a->{year} cmp $b->{year} } $ord_rs->all;
321 is (@hris_all, 6, 'hri count matches' );
323 my $iter_rs = $rs->search({}, {
324 order_by => [ 'me.year', 'me.cdid', 'tracks_2.title', 'tracks.title', 'cds.cdid', \ 'RANDOM()' ],
325 result_class => 'DBIx::Class::ResultClass::HashRefInflator',
328 while (my $r = $iter_rs->next) {
335 'Iteration works correctly',
338 cmp_deeply (\@hris_all, [
340 single_track => undef,
354 single_track => undef,
359 single_track => undef,
364 single_track => undef,
462 single_track => undef,
483 ], 'W00T, multi-has_many manual underdefined root prefetch with collapse works');
485 $rs = $rs->search({}, { order_by => [ 'me.year', 'me.cdid', \ 'RANDOM()' ] });
487 while (my $r = $rs->next) {
491 for my $i (0 .. $#objs_iter) {
492 is ($objs_iter[$i]->year, $hris_all[$i]{year}, "Expected year on object $i" );
494 (defined $objs_iter[$i]->single_track),
495 (defined $hris_all[$i]{single_track}),
496 "Expected single relation on object $i"
500 $rs = $schema->resultset('Artist')->search({}, {
502 columns => ['cds.title', 'cds.artist' ],
504 order_by => [qw( me.name cds.title )],
507 $rs->create({ name => "${_}_cdless" })
515 { artist => 1, title => "Equinoxe" },
516 { artist => 1, title => "Magnetic Fields" },
517 { artist => 1, title => "Oxygene" },
518 { artist => 1, title => "fuzzy_1" },
519 { artist => 1, title => "fuzzy_2" },
520 { artist => 1, title => "fuzzy_3" },
524 'Expected HRI of 1:M with empty root selection',