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use strict;
use warnings;
use Test::More;
use Test::Exception;
use lib qw(t/lib);
use DBICTest;
plan tests => 9;
my $schema = DBICTest->init_schema();
lives_ok(sub {
# while cds.* will be selected anyway (prefetch currently forces the result of _resolve_prefetch)
# only the requested me.name column will be fetched.
# reference sql with select => [...]
# SELECT me.name, cds.title, cds.cdid, cds.artist, cds.title, cds.year, cds.genreid, cds.single_track FROM ...
my $rs = $schema->resultset('Artist')->search(
{ 'cds.title' => { '!=', 'Generic Manufactured Singles' } },
{
prefetch => [ qw/ cds / ],
order_by => [ { -desc => 'me.name' }, 'cds.title' ],
select => [qw/ me.name cds.title / ],
}
);
is ($rs->count, 2, 'Correct number of collapsed artists');
my $we_are_goth = $rs->first;
is ($we_are_goth->name, 'We Are Goth', 'Correct first artist');
is ($we_are_goth->cds->count, 1, 'Correct number of CDs for first artist');
is ($we_are_goth->cds->first->title, 'Come Be Depressed With Us', 'Correct cd for artist');
}, 'explicit prefetch on a keyless object works');
lives_ok(sub {
# test implicit prefetch as well
my $rs = $schema->resultset('CD')->search(
{ title => 'Generic Manufactured Singles' },
{
join=> 'artist',
select => [qw/ me.title artist.name / ],
}
);
my $cd = $rs->next;
is ($cd->title, 'Generic Manufactured Singles', 'CD title prefetched correctly');
isa_ok ($cd->artist, 'DBICTest::Artist');
is ($cd->artist->name, 'Random Boy Band', 'Artist object has correct name');
}, 'implicit keyless prefetch works');
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