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1 | use strict; |
2 | use warnings; |
3 | |
4 | use lib qw(t/lib); |
5 | |
6 | use Test::More; |
7 | use DBICTest; |
8 | use DBIC::SqlMakerTest; |
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9 | |
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10 | my $schema = DBICTest->init_schema(); |
11 | |
12 | # collapsing prefetch |
13 | { |
14 | my $rs = $schema->resultset("Artist") |
15 | ->search_related('cds', |
16 | { 'tracks.position' => [1,2] }, |
17 | { prefetch => [qw/tracks artist/] }, |
18 | ); |
19 | is ($rs->all, 5, 'Correct number of objects'); |
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20 | is ($rs->count, 5, 'Correct count'); |
21 | |
22 | is_same_sql_bind ( |
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23 | $rs->count_rs->as_query, |
24 | '( |
25 | SELECT COUNT( * ) |
26 | FROM ( |
27 | SELECT cds.cdid |
28 | FROM artist me |
29 | JOIN cd cds ON cds.artist = me.artistid |
30 | LEFT JOIN track tracks ON tracks.cd = cds.cdid |
31 | JOIN artist artist ON artist.artistid = cds.artist |
32 | WHERE tracks.position = ? OR tracks.position = ? |
33 | GROUP BY cds.cdid |
34 | ) count_subq |
35 | )', |
36 | [ map { [ 'tracks.position' => $_ ] } (1, 2) ], |
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37 | ); |
38 | } |
39 | |
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40 | # collapsing prefetch with distinct |
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41 | { |
42 | my $first_cd = $schema->resultset('Artist')->first->cds->first; |
43 | $first_cd->update ({ |
44 | genreid => $first_cd->create_related ( |
45 | genre => ({ name => 'vague genre' }) |
46 | )->id |
47 | }); |
48 | |
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49 | my $rs = $schema->resultset("Artist")->search(undef, {distinct => 1}) |
50 | ->search_related('cds')->search_related('genre', |
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51 | { 'genre.name' => { '!=', 'foo' } }, |
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52 | { prefetch => q(cds) }, |
53 | ); |
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54 | is ($rs->all, 1, 'Correct number of objects'); |
55 | is ($rs->count, 1, 'Correct count'); |
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56 | |
57 | is_same_sql_bind ( |
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58 | $rs->count_rs->as_query, |
59 | '( |
60 | SELECT COUNT( * ) |
61 | FROM ( |
62 | SELECT genre.genreid |
63 | FROM artist me |
64 | JOIN cd cds ON cds.artist = me.artistid |
65 | JOIN genre genre ON genre.genreid = cds.genreid |
66 | LEFT JOIN cd cds_2 ON cds_2.genreid = genre.genreid |
67 | WHERE ( genre.name != ? ) |
68 | GROUP BY genre.genreid |
69 | ) count_subq |
70 | )', |
71 | [ [ 'genre.name' => 'foo' ] ], |
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72 | ); |
73 | } |
74 | |
75 | # non-collapsing prefetch (no multi prefetches) |
76 | { |
77 | my $rs = $schema->resultset("CD") |
78 | ->search_related('tracks', |
79 | { position => [1,2] }, |
80 | { prefetch => [qw/disc lyrics/] }, |
81 | ); |
82 | is ($rs->all, 10, 'Correct number of objects'); |
83 | |
84 | |
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85 | is ($rs->count, 10, 'Correct count'); |
86 | |
87 | is_same_sql_bind ( |
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88 | $rs->count_rs->as_query, |
89 | '( |
90 | SELECT COUNT( * ) |
91 | FROM cd me |
92 | JOIN track tracks ON tracks.cd = me.cdid |
93 | JOIN cd disc ON disc.cdid = tracks.cd |
94 | LEFT JOIN lyrics lyrics ON lyrics.track_id = tracks.trackid |
95 | WHERE position = ? OR position = ? |
96 | )', |
97 | [ map { [ position => $_ ] } (1, 2) ], |
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98 | ); |
99 | } |
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100 | |
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101 | done_testing; |