10 my $schema = DBICTest->init_schema();
12 my $rs = $schema->resultset("CD")->search({}, { order_by => 'cdid' });
14 my $rs_title = $rs->get_column('title');
15 my $rs_year = $rs->get_column('year');
16 my $max_year = $rs->get_column(\'MAX (year)');
18 is($rs_title->next, 'Spoonful of bees', "next okay");
19 is_deeply( [ sort $rs_year->func('DISTINCT') ], [ 1997, 1998, 1999, 2001 ], "wantarray context okay");
20 ok ($max_year->next == $rs_year->max, q/get_column (\'FUNC') ok/);
22 my @all = $rs_title->all;
23 cmp_ok(scalar @all, '==', 5, "five titles returned");
25 cmp_ok($rs_year->max, '==', 2001, "max okay for year");
26 is($rs_title->min, 'Caterwaulin\' Blues', "min okay for title");
28 cmp_ok($rs_year->sum, '==', 9996, "three artists returned");
31 is($rs_year->next, 1999, "reset okay");
33 is($rs_year->first, 1999, "first okay");
36 is($rs_year->single, 1999, "single okay");
37 }, qr/Query returned more than one row/, 'single warned');
39 # test +select/+as for single column
40 my $psrs = $schema->resultset('CD')->search({},
42 '+select' => \'COUNT(*)',
46 lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as additional column "count" present (scalar)');
47 dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception');
49 # test +select/+as for multiple columns
50 $psrs = $schema->resultset('CD')->search({},
52 '+select' => [ \'COUNT(*)', 'title' ],
53 '+as' => [ 'count', 'addedtitle' ]
56 lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as multiple additional columns, "count" column present');
57 lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present');
59 # test +select/+as for overriding a column
60 $psrs = $schema->resultset('CD')->search({},
62 'select' => \"'The Final Countdown'",
66 is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overridden column "title"');
69 my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' });
70 my $rsc = $rs->get_column('year');
71 is( $rsc->{_parent_resultset}->{attrs}->{prefetch}, undef, 'prefetch wiped' );
75 is ($schema->resultset('BooksInLibrary')->get_column ('price')->sum, 125, 'Sum of a resultset works correctly');
77 # test sum over search_related
78 my $owner = $schema->resultset('Owners')->find ({ name => 'Newton' });
79 ok ($owner->books->count > 1, 'Owner Newton has multiple books');
80 is ($owner->search_related ('books')->get_column ('price')->sum, 60, 'Correctly calculated price of all owned books');
83 # make sure joined/prefetched get_column of a PK dtrt
86 my $j_rs = $rs->search ({}, { join => 'tracks' })->get_column ('cdid');
89 [ map { my $c = $rs->next; ( ($c->id) x $c->tracks->count ) } (1 .. $rs->count) ],
90 'join properly explodes amount of rows from get_column',
94 my $p_rs = $rs->search ({}, { prefetch => 'tracks' })->get_column ('cdid');
97 [ $rs->get_column ('cdid')->all ],
98 'prefetch properly collapses amount of rows from get_column',