7 use DBICTest ':DiffSQL';
9 my $schema = DBICTest->init_schema();
13 my $rs = $schema->resultset("Artist")
14 ->search_related('cds',
15 { 'tracks.position' => [1,2] },
16 { prefetch => [qw/tracks artist/] },
18 is ($rs->all, 5, 'Correct number of objects');
19 is ($rs->count, 5, 'Correct count');
22 $rs->count_rs->as_query,
28 JOIN cd cds ON cds.artist = me.artistid
29 LEFT JOIN track tracks ON tracks.cd = cds.cdid
30 JOIN artist artist ON artist.artistid = cds.artist
31 WHERE tracks.position = ? OR tracks.position = ?
35 [ map { [ { sqlt_datatype => 'int', dbic_colname => 'tracks.position' } => $_ ] } (1, 2) ],
39 # collapsing prefetch with distinct
41 my $rs = $schema->resultset("Artist")->search(undef, {distinct => 1})
42 ->search_related('cds')->search_related('genre',
43 { 'genre.name' => 'emo' },
44 { prefetch => q(cds) },
46 is ($rs->all, 1, 'Correct number of objects');
47 is ($rs->count, 1, 'Correct count');
50 $rs->count_rs->as_query,
56 SELECT me.artistid, me.name, me.rank, me.charfield
58 GROUP BY me.artistid, me.name, me.rank, me.charfield
60 JOIN cd cds ON cds.artist = me.artistid
61 JOIN genre genre ON genre.genreid = cds.genreid
62 WHERE ( genre.name = ? )
63 GROUP BY genre.genreid
67 [ [ { sqlt_datatype => 'varchar', sqlt_size => 100, dbic_colname => 'genre.name' }
73 # non-collapsing prefetch (no multi prefetches)
75 my $rs = $schema->resultset("CD")
76 ->search_related('tracks',
77 { position => [1,2], 'lyrics.lyric_id' => undef },
78 { prefetch => [qw/disc lyrics/] },
80 is ($rs->all, 10, 'Correct number of objects');
83 is ($rs->count, 10, 'Correct count');
86 $rs->count_rs->as_query,
90 JOIN track tracks ON tracks.cd = me.cdid
91 JOIN cd disc ON disc.cdid = tracks.cd
92 LEFT JOIN lyrics lyrics ON lyrics.track_id = tracks.trackid
93 WHERE lyrics.lyric_id IS NULL AND (position = ? OR position = ?)
95 [ map { [ { sqlt_datatype => 'int', dbic_colname => 'position' } => $_ ] } (1, 2) ],