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t/90join_torture.t  view on Meta::CPAN

# should end up with cds and cds_2 joined
my $merge_rs_1 = $schema->resultset("Artist")->search({ 'cds_2.cdid' => '2' }, { join => ['cds', 'cds'] });
is(scalar(@{$merge_rs_1->{attrs}->{join}}), 2, 'both joins kept');
ok($merge_rs_1->next, 'query on double joined rel runs okay');

# should only end up with cds joined
my $merge_rs_2 = $schema->resultset("Artist")->search({ }, { join => 'cds' })->search({ 'cds.cdid' => '2' }, { join => 'cds' });
is(scalar(@{$merge_rs_2->{attrs}->{join}}), 1, 'only one join kept when inherited');
my $merge_rs_2_cd = $merge_rs_2->next;

lives_ok (sub {

  my @rs_with_prefetch = $schema->resultset('TreeLike')
                                ->search(
    {'me.id' => 1},
    {
    prefetch => [ 'parent', { 'children' => 'parent' } ],
    });

}, 'pathological prefetch ok');

my $rs = $schema->resultset("Artist")->search({}, { join => 'twokeys' });
my $second_search_rs = $rs->search({ 'cds_2.cdid' => '2' }, { join =>
['cds', 'cds'] });
is(scalar(@{$second_search_rs->{attrs}->{join}}), 3, 'both joins kept');
ok($second_search_rs->next, 'query on double joined rel runs okay');

# test joinmap pruner
lives_ok ( sub {
  my $rs = $schema->resultset('Artwork')->search (
    {
    },
    {
      distinct => 1,
      join => [
        { artwork_to_artist => 'artist' },
        { cd => 'artist' },
      ],
    },
  );

  is_same_sql_bind (
    $rs->count_rs->as_query,
    '(
      SELECT COUNT( * )
        FROM (
          SELECT me.cd_id
            FROM cd_artwork me
            JOIN cd cd ON cd.cdid = me.cd_id
            JOIN artist artist_2 ON artist_2.artistid = cd.artist
          GROUP BY me.cd_id
        ) me
    )',
    [],
  );

  ok (defined $rs->count);
});

# make sure multiplying endpoints do not lose heir join-path
lives_ok (sub {
  my $rs = $schema->resultset('CD')->search (
    { },
    { join => { artwork => 'images' } },
  )->get_column('cdid');

  is_same_sql_bind (
    $rs->as_query,
    '(
      SELECT me.cdid
        FROM cd me
        LEFT JOIN cd_artwork artwork
          ON artwork.cd_id = me.cdid
        LEFT JOIN images images
          ON images.artwork_id = artwork.cd_id
    )',
    [],
  );

  # execution
  $rs->next;
});

done_testing;