The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

use strict;
use lib qw(t/lib);
use DBICTest ':DiffSQL';
my $schema = DBICTest->init_schema();
$schema->resultset('Artist')->delete;
$schema->resultset('CD')->delete;
my $artist = $schema->resultset("Artist")->create({ artistid => 21, name => 'Michael Jackson', rank => 20 });
my $artist2 = $schema->resultset("Artist")->create({ artistid => 22, name => 'Chico Buarque', rank => 1 }) ;
my $artist3 = $schema->resultset("Artist")->create({ artistid => 23, name => 'Ziraldo', rank => 1 });
my $artist4 = $schema->resultset("Artist")->create({ artistid => 24, name => 'Paulo Caruso', rank => 20 });
my @artworks;
foreach my $year (1975..1985) {
my $cd = $artist->create_related('cds', { year => $year, title => 'Compilation from ' . $year });
push @artworks, $cd->create_related('artwork', {});
}
foreach my $year (1975..1995) {
my $cd = $artist2->create_related('cds', { year => $year, title => 'Compilation from ' . $year });
push @artworks, $cd->create_related('artwork', {});
}
foreach my $artwork (@artworks) {
$artwork->create_related('artwork_to_artist', { artist => $_ }) for ($artist3, $artist4);
}
my $cds_80s_rs = $artist->cds_80s;
is_same_sql_bind(
$cds_80s_rs->as_query,
'(
SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
FROM cd me
WHERE ( ( me.artist = ? AND ( me.year < ? AND me.year > ? ) ) )
)',
[
[
{}
=> 21
],
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 1990
],
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 1979
],
],
);
my @cds_80s = $cds_80s_rs->all;
is(@cds_80s, 6, '6 80s cds found (1980 - 1985)');
map { ok($_->year < 1990 && $_->year > 1979) } @cds_80s;
my $cds_90s_rs = $artist2->cds_90s;
is_same_sql_bind(
$cds_90s_rs->as_query,
'(
SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
FROM artist artist__row
JOIN cd me
ON ( me.artist = artist__row.artistid AND ( me.year < ? AND me.year > ? ) )
WHERE ( artist__row.artistid = ? )
)',
[
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 2000
],
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 1989
],
[ { sqlt_datatype => 'integer', dbic_colname => 'artist__row.artistid' }
=> 22
],
]
);
# re-test with ::-containing moniker name
# (we don't have any currently, so fudge it with lots of local() )
{
local $schema->source('Artist')->{source_name} = 'Ar::Tist';
local $artist2->{related_resultsets};
is_same_sql_bind(
$artist2->cds_90s->as_query,
'(
SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
FROM artist ar_tist__row
JOIN cd me
ON ( me.artist = ar_tist__row.artistid AND ( me.year < ? AND me.year > ? ) )
WHERE ( ar_tist__row.artistid = ? )
)',
[
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 2000
],
[
{ sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'me.year' }
=> 1989
],
[ { sqlt_datatype => 'integer', dbic_colname => 'ar_tist__row.artistid' }
=> 22
],
]
);
}
my @cds_90s = $cds_90s_rs->all;
is(@cds_90s, 6, '6 90s cds found (1990 - 1995) even with non-optimized search');
map { ok($_->year < 2000 && $_->year > 1989) } @cds_90s;
lives_ok {
my @cds_90s_95 = $artist2->cds_90s->search({ 'me.year' => 1995 });
is(@cds_90s_95, 1, '1 90s (95) cds found even with non-optimized search');
map { ok($_->year == 1995) } @cds_90s_95;
} 'should preserve chain-head "me" alias (API-consistency)';
# search for all artists prefetching published cds in the 80s...
my @all_artists_with_80_cds = $schema->resultset("Artist")->search
({ 'cds_80s.cdid' => { '!=' => undef } }, { join => 'cds_80s', distinct => 1 });
is_deeply(
[ sort ( map { $_->year } map { $_->cds_80s->all } @all_artists_with_80_cds ) ],
[ sort (1980..1989, 1980..1985) ],
'16 correct cds found'
);
lives_ok {
my @all_artists_with_80_cds_pref = $schema->resultset("Artist")->search
({ 'cds_80s.cdid' => { '!=' => undef } }, { prefetch => 'cds_80s' });
is_deeply(
[ sort ( map { $_->year } map { $_->cds_80s->all } @all_artists_with_80_cds_pref ) ],
[ sort (1980..1989, 1980..1985) ],
'16 correct cds found'
);
} 'prefetchy-fetchy-fetch';
# create_related a plain cd via the equoivalent coderef cond, with no extra conditions
lives_ok {
$artist->create_related('cds_cref_cond', { title => 'related creation via coderef cond', year => '2010' } );
} 'created_related with simple condition works';
# try to create_related a 80s cd
throws_ok {
$artist->create_related('cds_80s', { title => 'related creation 1' });
} qr/\QUnable to complete value inferrence - custom relationship 'cds_80s' on source 'Artist' returns conditions instead of values for column(s): 'year'/,
'Create failed - complex cond';
# now supply an explicit arg overwriting the ambiguous cond
my $cd_2020 = $artist->create_related('cds_80s', { title => 'related creation 2', year => '2020' });
my $id_2020 = $cd_2020->id;
is(
$schema->resultset('CD')->find($id_2020)->title,
'related creation 2',
'2020 CD created correctly'
);
# try a default year from a specific rel
my $id_1984 = $artist->create_related('cds_84', { title => 'related creation 3' })->id;
is(
$schema->resultset('CD')->find($id_1984)->title,
'related creation 3',
'1984 CD created correctly'
);
# try a specific everything via a non-simplified rel
throws_ok {
$artist->create_related('cds_90s', { title => 'related_creation 4', year => '2038' });
} qr/\QRelationship 'cds_90s' on source 'Artist' does not resolve to a join-free condition fragment/,
'Create failed - non-simplified rel';
# Do a self-join last-entry search
my @last_tracks;
for my $cd ($schema->resultset('CD')->search ({}, { order_by => 'cdid'})->all) {
push @last_tracks, $cd->tracks
->search ({}, { order_by => { -desc => 'position'} })
->next || ();
}
my $last_tracks_rs = $schema->resultset('Track')->search (
{'next_tracks.trackid' => undef},
{ join => 'next_tracks', order_by => 'me.cd' },
);
is_deeply (
[$last_tracks_rs->get_column ('trackid')->all],
[ map { $_->trackid } @last_tracks ],
'last group-entry via self-join works',
);
is_deeply (
[map { $_->last_track->id } grep { $_->last_track } $schema->resultset('CD')->search ({}, { order_by => 'cdid', prefetch => 'last_track'})->all],
[ map { $_->trackid } @last_tracks ],
'last_track via insane subquery condition works',
);
is_deeply (
[map { $_->last_track->id } grep { $_->last_track } $schema->resultset('CD')->search ({}, { order_by => 'cdid'})->all],
[ map { $_->trackid } @last_tracks ],
'last_track via insane subquery condition works, even without prefetch',
);
my $artwork = $schema->resultset('Artwork')->search({},{ order_by => 'cd_id' })->first;
my @artists = $artwork->artists->all;
is(scalar @artists, 2, 'the two artists are associated');
my @artwork_artists = $artwork->artwork_to_artist->all;
foreach (@artwork_artists) {
lives_ok {
my $artista = $_->artist;
my $artistb = $_->artist_test_m2m;
ok($artista->rank < 10 ? $artistb : 1, 'belongs_to with custom rel works.');
my $artistc = $_->artist_test_m2m_noopt;
ok($artista->rank < 10 ? $artistc : 1, 'belongs_to with custom rel works even in non-simplified.');
} 'belongs_to works with custom rels';
}
@artists = ();
lives_ok {
@artists = $artwork->artists_test_m2m2->all;
} 'manytomany with extended rels in the has many works';
is(scalar @artists, 2, 'two artists');
@artists = ();
lives_ok {
@artists = $artwork->artists_test_m2m->all;
} 'can fetch many to many with optimized version';
is(scalar @artists, 1, 'only one artist is associated');
@artists = ();
lives_ok {
@artists = $artwork->artists_test_m2m_noopt->all;
} 'can fetch many to many with non-optimized version';
is(scalar @artists, 1, 'only one artist is associated');
# Make a single for each last_track
my @singles = map {
$_->create_related('cd_single', {
title => $_->title . ' (the single)',
artist => $artist,
year => 1999,
}) } @last_tracks
;
# See if chaining works
is_deeply (
[ map { $_->title } $last_tracks_rs->search_related('cd_single')->all ],
[ map { $_->title } @singles ],
'Retrieved singles in proper order'
);
# See if prefetch works
is_deeply (
[ map { $_->cd_single->title } $last_tracks_rs->search({}, { prefetch => 'cd_single' })->all ],
[ map { $_->title } @singles ],
'Prefetched singles in proper order'
);
# test set_from_related/find_related with a belongs_to custom condition
my $preexisting_cd = $schema->resultset('CD')->find(1);
my $cd_single_track = $schema->resultset('CD')->create({
artist => $artist,
title => 'one one one',
year => 2001,
tracks => [{ title => 'uno uno uno' }]
});
my $single_track = $cd_single_track->tracks->next;
is(
$single_track->cd_cref_cond->title,
$cd_single_track->title,
'Got back the expected single-track cd title',
);
is_deeply
{ $schema->resultset('Track')->find({ cd_cref_cond => { cdid => $cd_single_track->id } })->get_columns },
{ $single_track->get_columns },
'Proper find with related via coderef cond',
;
warnings_exist {
is_same_sql_bind(
$single_track->deliberately_broken_all_cd_tracks->as_query,
'(
SELECT me.trackid, me.cd, me.position, me.title, me.last_updated_on, me.last_updated_at
FROM track track__row
JOIN track me
ON me.cd = ?
WHERE track__row.trackid = ?
)',
[
[{ dbic_colname => "me.cd", sqlt_datatype => "integer" }
=> "track__row.cd" ],
[{ dbic_colname => "track__row.trackid", sqlt_datatype => "integer" }
=> 19 ],
],
'Expected nonsensical JOIN cond',
),
} qr/\Qrelationship 'deliberately_broken_all_cd_tracks' on source 'Track' specifies equality of column 'cd' and the *VALUE* 'cd' (you did not use the { -ident => ... } operator)/,
'Warning on 99.9999% malformed custom cond'
;
$single_track->set_from_related( cd_cref_cond => undef );
ok $single_track->is_column_changed('cd');
is $single_track->get_column('cd'), undef, 'UNset from related via coderef cond';
is $single_track->cd, undef, 'UNset related object via coderef cond';
$single_track->discard_changes;
$single_track->set_from_related( cd_cref_cond => $preexisting_cd );
ok $single_track->is_column_changed('cd');
is $single_track->get_column('cd'), 1, 'set from related via coderef cond';
is_deeply
{ $single_track->cd->get_columns },
{ $preexisting_cd->get_columns },
'set from related via coderef cond inflates properly',
;
throws_ok {
local $schema->source('Track')->relationship_info('cd_cref_cond')->{cond} = sub { 1,2,3 };
$schema->resultset('Track')->find({ cd_cref_cond => {} });
} qr/\QA custom condition coderef can return at most 2 conditions, but relationship 'cd_cref_cond' on source 'Track' returned extra values: 3/;
done_testing;