9 use DBIC::SqlMakerTest;
11 my $schema = DBICTest->init_schema();
13 my $rs = $schema->resultset("CD");
18 $rs->search ({}, {columns => ['year'], distinct => 1})->count,
19 'At least one year is the same in rs'
22 my $rs_title = $rs->get_column('title');
23 my $rs_year = $rs->get_column('year');
24 my $max_year = $rs->get_column(\'MAX (year)');
26 my @all_titles = $rs_title->all;
27 cmp_ok(scalar @all_titles, '==', 5, "five titles returned");
30 while (my $r = $rs_title->next) {
31 push @nexted_titles, $r;
34 is_deeply (\@all_titles, \@nexted_titles, 'next works');
36 is_deeply( [ sort $rs_year->func('DISTINCT') ], [ 1997, 1998, 1999, 2001 ], "wantarray context okay");
37 ok ($max_year->next == $rs_year->max, q/get_column (\'FUNC') ok/);
39 cmp_ok($rs_year->max, '==', 2001, "max okay for year");
40 is($rs_title->min, 'Caterwaulin\' Blues', "min okay for title");
42 cmp_ok($rs_year->sum, '==', 9996, "three artists returned");
44 my $rso_year = $rs->search({}, { order_by => 'cdid' })->get_column('year');
45 is($rso_year->next, 1999, "reset okay");
47 is($rso_year->first, 1999, "first okay");
50 is($rso_year->single, 1999, "single okay");
51 }, qr/Query returned more than one row/, 'single warned');
54 # test distinct propagation
56 [sort $rs->search ({}, { distinct => 1 })->get_column ('year')->all],
57 [sort $rs_year->func('distinct')],
58 'distinct => 1 is passed through properly',
61 # test +select/+as for single column
62 my $psrs = $schema->resultset('CD')->search({},
64 '+select' => \'MAX(year)',
68 lives_ok(sub { $psrs->get_column('last_year')->next }, '+select/+as additional column "last_year" present (scalar)');
69 dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception');
71 # test +select/+as for overriding a column
72 $psrs = $schema->resultset('CD')->search({},
74 'select' => \"'The Final Countdown'",
78 is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overridden column "title"');
81 # test +select/+as for multiple columns
82 $psrs = $schema->resultset('CD')->search({},
84 '+select' => [ \'LENGTH(title) AS title_length', 'title' ],
85 '+as' => [ 'tlength', 'addedtitle' ]
88 lives_ok(sub { $psrs->get_column('tlength')->next }, '+select/+as multiple additional columns, "tlength" column present');
89 lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present');
91 # test that +select/+as specs do not leak
93 $psrs->get_column('year')->as_query,
94 '(SELECT me.year FROM cd me)',
96 'Correct SQL for get_column/as'
100 $psrs->get_column('addedtitle')->as_query,
101 '(SELECT me.title FROM cd me)',
103 'Correct SQL for get_column/+as col'
107 $psrs->get_column('tlength')->as_query,
108 '(SELECT LENGTH(title) AS title_length FROM cd me)',
110 'Correct SQL for get_column/+as func'
113 # test that order_by over a function forces a subquery
116 [ $psrs->search ({}, { order_by => { -desc => 'title_length' } })->get_column ('title')->all ],
118 "Generic Manufactured Singles",
119 "Come Be Depressed With Us",
120 "Caterwaulin' Blues",
124 'Subquery count induced by aliased ordering function',
128 # test for prefetch not leaking
130 my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' });
131 my $rsc = $rs->get_column('year');
132 is( $rsc->{_parent_resultset}->{attrs}->{prefetch}, undef, 'prefetch wiped' );
136 is ($schema->resultset('BooksInLibrary')->get_column ('price')->sum, 125, 'Sum of a resultset works correctly');
138 # test sum over search_related
139 my $owner = $schema->resultset('Owners')->find ({ name => 'Newton' });
140 ok ($owner->books->count > 1, 'Owner Newton has multiple books');
141 is ($owner->search_related ('books')->get_column ('price')->sum, 60, 'Correctly calculated price of all owned books');
144 # make sure joined/prefetched get_column of a PK dtrt
146 my $j_rs = $rs->search ({}, { join => 'tracks' })->get_column ('cdid');
149 [ sort map { my $c = $rs->next; ( ($c->id) x $c->tracks->count ) } (1 .. $rs->count) ],
150 'join properly explodes amount of rows from get_column',
154 my $p_rs = $rs->search ({}, { prefetch => 'tracks' })->get_column ('cdid');
157 [ sort $rs->get_column ('cdid')->all ],
158 'prefetch properly collapses amount of rows from get_column',
162 my $pob_rs = $rs->search({}, {
163 select => ['me.title', 'tracks.title'],
164 prefetch => 'tracks',
165 order_by => [{-asc => ['position']}],
166 group_by => ['me.title', 'tracks.title'],
169 $pob_rs->get_column("me.title")->as_query,
170 '(SELECT me.title FROM (SELECT me.title, tracks.title FROM cd me LEFT JOIN track tracks ON tracks.cd = me.cdid GROUP BY me.title, tracks.title ORDER BY position ASC) me)',
172 'Correct SQL for prefetch/order_by/group_by'
175 # test aggregate on a function
177 my $tr_rs = $schema->resultset("Track");
178 $tr_rs->create({ cd => 2, title => 'dealbreaker' });
181 $tr_rs->get_column('cd')->max,
183 "Correct: Max cd in Track is 5"
186 my $track_counts_per_cd_via_group_by = $tr_rs->search({}, {
187 columns => [ 'cd', { cnt => { count => 'trackid', -as => 'cnt' } } ],
189 })->get_column('cnt');
191 is ($track_counts_per_cd_via_group_by->max, 4, 'Correct max tracks per cd');
192 is ($track_counts_per_cd_via_group_by->min, 3, 'Correct min tracks per cd');
194 sprintf('%0.1f', $track_counts_per_cd_via_group_by->func('avg') ),
196 'Correct avg tracks per cd'