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1 | use strict; |
2 | use warnings; |
3 | |
4 | use Test::More; |
5 | use Test::Exception; |
6 | |
7 | use lib qw(t/lib); |
8 | use DBICTest; |
9 | |
10 | my $schema = DBICTest->init_schema(); |
11 | |
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12 | lives_ok ( sub { |
13 | my $no_prefetch = $schema->resultset('Track')->search_related(cd => |
14 | { |
15 | 'cd.year' => "2000", |
16 | }, |
17 | { |
18 | join => 'tags', |
19 | order_by => 'me.trackid', |
20 | rows => 1, |
21 | } |
22 | ); |
23 | |
24 | my $use_prefetch = $no_prefetch->search( |
25 | {}, |
26 | { |
27 | prefetch => 'tags', |
28 | } |
29 | ); |
30 | |
31 | is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match'); |
32 | is( |
33 | scalar ($use_prefetch->all), |
34 | scalar ($no_prefetch->all), |
35 | "Amount of returned rows is right" |
36 | ); |
37 | |
38 | }, 'search_related prefetch with order_by works'); |
39 | |
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40 | TODO: { local $TODO = 'Unqualified columns in where clauses can not be fixed without an SQLA rewrite' if SQL::Abstract->VERSION < 2; |
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41 | lives_ok ( sub { |
42 | my $no_prefetch = $schema->resultset('Track')->search_related(cd => |
43 | { |
44 | 'cd.year' => "2000", |
45 | 'tagid' => 1, |
46 | }, |
47 | { |
48 | join => 'tags', |
49 | rows => 1, |
50 | } |
51 | ); |
52 | |
53 | my $use_prefetch = $no_prefetch->search( |
54 | undef, |
55 | { |
56 | prefetch => 'tags', |
57 | } |
58 | ); |
59 | |
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60 | is( |
61 | scalar ($use_prefetch->all), |
62 | scalar ($no_prefetch->all), |
63 | "Amount of returned rows is right" |
64 | ); |
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65 | is($use_prefetch->count, $no_prefetch->count, 'counts with and without prefetch match'); |
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66 | |
67 | }, 'search_related prefetch with condition referencing unqualified column of a joined table works'); |
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68 | } |
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69 | |
70 | |
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71 | lives_ok (sub { |
72 | my $rs = $schema->resultset("Artwork")->search(undef, {distinct => 1}) |
73 | ->search_related('artwork_to_artist')->search_related('artist', |
74 | undef, |
75 | { prefetch => 'cds' }, |
76 | ); |
77 | is($rs->all, 0, 'prefetch without WHERE (objects)'); |
78 | is($rs->count, 0, 'prefetch without WHERE (count)'); |
79 | |
80 | $rs = $schema->resultset("Artwork")->search(undef, {distinct => 1}) |
81 | ->search_related('artwork_to_artist')->search_related('artist', |
82 | { 'cds.title' => 'foo' }, |
83 | { prefetch => 'cds' }, |
84 | ); |
85 | is($rs->all, 0, 'prefetch with WHERE (objects)'); |
86 | is($rs->count, 0, 'prefetch with WHERE (count)'); |
87 | |
88 | |
89 | # test where conditions at the root of the related chain |
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90 | my $artist_rs = $schema->resultset("Artist")->search({artistid => 2}); |
91 | my $artist = $artist_rs->next; |
92 | $artist->create_related ('cds', $_) for ( |
93 | { |
94 | year => 1999, title => 'vague cd', genre => { name => 'vague genre' } |
95 | }, |
96 | { |
97 | year => 1999, title => 'vague cd2', genre => { name => 'vague genre' } |
98 | }, |
99 | ); |
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100 | |
101 | $rs = $artist_rs->search_related('cds')->search_related('genre', |
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102 | { 'genre.name' => 'vague genre' }, |
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103 | { prefetch => 'cds' }, |
104 | ); |
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105 | is($rs->all, 1, 'base without distinct (objects)'); |
106 | is($rs->count, 1, 'base without distinct (count)'); |
107 | # artist -> 2 cds -> 2 genres -> 2 cds for each genre = 4 |
108 | is($rs->search_related('cds')->all, 4, 'prefetch without distinct (objects)'); |
109 | is($rs->search_related('cds')->count, 4, 'prefetch without distinct (count)'); |
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110 | |
111 | |
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112 | $rs = $artist_rs->search_related('cds', {}, { distinct => 1})->search_related('genre', |
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113 | { 'genre.name' => 'vague genre' }, |
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114 | ); |
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115 | is($rs->all, 2, 'distinct does not propagate over search_related (objects)'); |
116 | is($rs->count, 2, 'distinct does not propagate over search_related (count)'); |
117 | |
118 | $rs = $rs->search ({}, { distinct => 1} ); |
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119 | is($rs->all, 1, 'distinct without prefetch (objects)'); |
120 | is($rs->count, 1, 'distinct without prefetch (count)'); |
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121 | |
122 | |
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123 | $rs = $artist_rs->search_related('cds')->search_related('genre', |
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124 | { 'genre.name' => 'vague genre' }, |
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125 | { prefetch => 'cds', distinct => 1 }, |
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126 | ); |
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127 | is($rs->all, 1, 'distinct with prefetch (objects)'); |
128 | is($rs->count, 1, 'distinct with prefetch (count)'); |
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129 | |
130 | TODO: { |
131 | local $TODO = "This makes another 2 trips to the database, it can't be right"; |
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132 | # artist -> 2 cds -> 2 genres -> 2 cds for each genre + distinct = 2 |
133 | is($rs->search_related('cds')->all, 2, 'prefetched distinct with prefetch (objects)'); |
134 | is($rs->search_related('cds')->count, 2, 'prefetched distinct with prefetch (count)'); |
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135 | } |
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136 | |
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137 | }, 'distinct generally works with prefetch on deep search_related chains'); |
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138 | |
139 | done_testing; |