9 my $schema = DBICTest->init_schema();
11 my $rs = $schema->resultset("CD")->search({}, { order_by => 'cdid' });
13 my $rs_title = $rs->get_column('title');
14 my $rs_year = $rs->get_column('year');
15 my $max_year = $rs->get_column(\'MAX (year)');
17 is($rs_title->next, 'Spoonful of bees', "next okay");
18 is_deeply( [ sort $rs_year->func('DISTINCT') ], [ 1997, 1998, 1999, 2001 ], "wantarray context okay");
19 ok ($max_year->next == $rs_year->max, q/get_column (\'FUNC') ok/);
21 my @all = $rs_title->all;
22 cmp_ok(scalar @all, '==', 5, "five titles returned");
24 cmp_ok($rs_year->max, '==', 2001, "max okay for year");
25 is($rs_title->min, 'Caterwaulin\' Blues', "min okay for title");
27 cmp_ok($rs_year->sum, '==', 9996, "three artists returned");
30 is($rs_year->next, 1999, "reset okay");
32 is($rs_year->first, 1999, "first okay");
34 # test +select/+as for single column
35 my $psrs = $schema->resultset('CD')->search({},
37 '+select' => \'COUNT(*)',
41 lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as additional column "count" present (scalar)');
42 dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception');
44 # test +select/+as for multiple columns
45 $psrs = $schema->resultset('CD')->search({},
47 '+select' => [ \'COUNT(*)', 'title' ],
48 '+as' => [ 'count', 'addedtitle' ]
51 lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as multiple additional columns, "count" column present');
52 lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present');
54 # test +select/+as for overriding a column
55 $psrs = $schema->resultset('CD')->search({},
57 'select' => \"'The Final Countdown'",
61 is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overridden column "title"');
64 my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' });
65 my $rsc = $rs->get_column('year');
66 is( $rsc->{_parent_resultset}->{attrs}->{prefetch}, undef, 'prefetch wiped' );
70 is ($schema->resultset('BooksInLibrary')->get_column ('price')->sum, 125, 'Sum of a resultset works correctly');
72 # test sum over search_related
73 my $owner = $schema->resultset('Owners')->find ({ name => 'Newton' });
74 ok ($owner->books->count > 1, 'Owner Newton has multiple books');
75 is ($owner->search_related ('books')->get_column ('price')->sum, 60, 'Correctly calculated price of all owned books');
78 # make sure joined/prefetched get_column of a PK dtrt
81 my $j_rs = $rs->search ({}, { join => 'tracks' })->get_column ('cdid');
84 [ map { my $c = $rs->next; ( ($c->id) x $c->tracks->count ) } (1 .. $rs->count) ],
85 'join properly explodes amount of rows from get_column',
89 my $p_rs = $rs->search ({}, { prefetch => 'tracks' })->get_column ('cdid');
92 [ $rs->get_column ('cdid')->all ],
93 'prefetch properly collapses amount of rows from get_column',