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1 | use strict; |
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2 | use warnings; |
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3 | |
4 | use Test::More; |
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5 | use Test::Deep; |
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6 | use Test::Exception; |
7 | use lib qw(t/lib); |
8 | use DBICTest; |
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9 | use DBIC::SqlMakerTest; |
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10 | |
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11 | my $schema = DBICTest->init_schema(); |
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12 | |
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13 | lives_ok(sub { |
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14 | # while cds.* will be selected anyway (prefetch implies it) |
15 | # only the requested me.name column will be fetched. |
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16 | |
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17 | # reference sql with select => [...] |
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18 | # SELECT me.name, cds.title, cds.cdid, cds.artist, cds.title, cds.year, cds.genreid, cds.single_track FROM ... |
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19 | |
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20 | my $rs = $schema->resultset('Artist')->search( |
21 | { 'cds.title' => { '!=', 'Generic Manufactured Singles' } }, |
22 | { |
23 | prefetch => [ qw/ cds / ], |
24 | order_by => [ { -desc => 'me.name' }, 'cds.title' ], |
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25 | select => [qw/ me.name cds.title / ], |
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26 | }, |
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27 | ); |
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28 | |
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29 | is ($rs->count, 2, 'Correct number of collapsed artists'); |
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30 | my ($we_are_goth) = $rs->all; |
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31 | is ($we_are_goth->name, 'We Are Goth', 'Correct first artist'); |
32 | is ($we_are_goth->cds->count, 1, 'Correct number of CDs for first artist'); |
33 | is ($we_are_goth->cds->first->title, 'Come Be Depressed With Us', 'Correct cd for artist'); |
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34 | }, 'explicit prefetch on a keyless object works'); |
35 | |
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36 | lives_ok ( sub { |
37 | |
38 | my $rs = $schema->resultset('CD')->search( |
39 | {}, |
40 | { |
41 | order_by => [ { -desc => 'me.year' } ], |
42 | } |
43 | ); |
44 | my $years = [qw/ 2001 2001 1999 1998 1997/]; |
45 | |
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46 | cmp_deeply ( |
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47 | [ $rs->search->get_column('me.year')->all ], |
48 | $years, |
49 | 'Expected years (at least one duplicate)', |
50 | ); |
51 | |
52 | my @cds_and_tracks; |
53 | for my $cd ($rs->all) { |
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54 | my $data = { year => $cd->year, cdid => $cd->cdid }; |
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55 | for my $tr ($cd->tracks->all) { |
56 | push @{$data->{tracks}}, { $tr->get_columns }; |
57 | } |
58 | push @cds_and_tracks, $data; |
59 | } |
60 | |
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61 | my $pref_rs = $rs->search ({}, { columns => [qw/year cdid/], prefetch => 'tracks' }); |
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62 | |
63 | my @pref_cds_and_tracks; |
64 | for my $cd ($pref_rs->all) { |
65 | my $data = { $cd->get_columns }; |
66 | for my $tr ($cd->tracks->all) { |
67 | push @{$data->{tracks}}, { $tr->get_columns }; |
68 | } |
69 | push @pref_cds_and_tracks, $data; |
70 | } |
71 | |
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72 | cmp_deeply ( |
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73 | \@pref_cds_and_tracks, |
74 | \@cds_and_tracks, |
75 | 'Correct collapsing on non-unique primary object' |
76 | ); |
77 | |
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78 | cmp_deeply ( |
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79 | [ $pref_rs->search ({}, { result_class => 'DBIx::Class::ResultClass::HashRefInflator' })->all ], |
80 | \@cds_and_tracks, |
81 | 'Correct HRI collapsing on non-unique primary object' |
82 | ); |
83 | |
84 | }, 'weird collapse lives'); |
85 | |
86 | |
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87 | lives_ok(sub { |
88 | # test implicit prefetch as well |
89 | |
90 | my $rs = $schema->resultset('CD')->search( |
91 | { title => 'Generic Manufactured Singles' }, |
92 | { |
93 | join=> 'artist', |
94 | select => [qw/ me.title artist.name / ], |
95 | } |
96 | ); |
97 | |
98 | my $cd = $rs->next; |
99 | is ($cd->title, 'Generic Manufactured Singles', 'CD title prefetched correctly'); |
100 | isa_ok ($cd->artist, 'DBICTest::Artist'); |
101 | is ($cd->artist->name, 'Random Boy Band', 'Artist object has correct name'); |
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102 | |
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103 | }, 'implicit keyless prefetch works'); |
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104 | |
105 | # sane error |
106 | throws_ok( |
107 | sub { |
108 | $schema->resultset('Track')->search({}, { join => { cd => 'artist' }, '+columns' => 'artist.name' } )->next; |
109 | }, |
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110 | qr|\QInflation into non-existent relationship 'artist' of 'Track' requested, check the inflation specification (columns/as) ending in '...artist.name'|, |
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111 | 'Sensible error message on mis-specified "as"', |
112 | ); |
113 | |
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114 | # check complex limiting prefetch without the join-able columns |
115 | { |
116 | my $pref_rs = $schema->resultset('Owners')->search({}, { |
117 | rows => 3, |
118 | offset => 1, |
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119 | order_by => 'name', |
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120 | columns => 'name', # only the owner name, still prefetch all the books |
121 | prefetch => 'books', |
122 | }); |
123 | |
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124 | is_same_sql_bind( |
125 | $pref_rs->as_query, |
126 | '( |
127 | SELECT me.name, books.id, books.source, books.owner, books.title, books.price |
128 | FROM ( |
129 | SELECT me.name, me.id |
130 | FROM owners me |
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131 | ORDER BY name |
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132 | LIMIT ? |
133 | OFFSET ? |
134 | ) me |
135 | LEFT JOIN books books |
136 | ON books.owner = me.id |
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137 | ORDER BY name |
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138 | )', |
139 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
140 | 'Expected SQL on complex limited prefetch with non-selected join condition', |
141 | ); |
142 | |
143 | is_deeply ( |
144 | $pref_rs->all_hri, |
145 | [ { |
146 | name => "Waltham", |
147 | books => [ { |
148 | id => 3, |
149 | owner => 2, |
150 | price => 65, |
151 | source => "Library", |
152 | title => "Best Recipe Cookbook", |
153 | } ], |
154 | } ], |
155 | 'Expected result on complex limited prefetch with non-selected join condition' |
156 | ); |
157 | |
158 | my $empty_ordered_pref_rs = $pref_rs->search({}, { |
159 | columns => [], # nothing, we only prefetch the book data |
160 | order_by => 'me.name', |
161 | }); |
162 | my $empty_ordered_pref_hri = [ { |
163 | books => [ { |
164 | id => 3, |
165 | owner => 2, |
166 | price => 65, |
167 | source => "Library", |
168 | title => "Best Recipe Cookbook", |
169 | } ], |
170 | } ]; |
171 | |
172 | is_same_sql_bind( |
173 | $empty_ordered_pref_rs->as_query, |
174 | '( |
175 | SELECT books.id, books.source, books.owner, books.title, books.price |
176 | FROM ( |
177 | SELECT me.id, me.name |
178 | FROM owners me |
179 | ORDER BY me.name |
180 | LIMIT ? |
181 | OFFSET ? |
182 | ) me |
183 | LEFT JOIN books books |
184 | ON books.owner = me.id |
185 | ORDER BY me.name |
186 | )', |
187 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
188 | 'Expected SQL on *ordered* complex limited prefetch with non-selected root data', |
189 | ); |
190 | |
191 | is_deeply ( |
192 | $empty_ordered_pref_rs->all_hri, |
193 | $empty_ordered_pref_hri, |
194 | 'Expected result on *ordered* complex limited prefetch with non-selected root data' |
195 | ); |
196 | |
197 | $empty_ordered_pref_rs = $empty_ordered_pref_rs->search({}, { |
198 | order_by => [ \ 'LENGTH(me.name)', \ 'RANDOM()' ], |
199 | }); |
200 | |
201 | is_same_sql_bind( |
202 | $empty_ordered_pref_rs->as_query, |
203 | '( |
204 | SELECT books.id, books.source, books.owner, books.title, books.price |
205 | FROM ( |
206 | SELECT me.id, me.name |
207 | FROM owners me |
208 | ORDER BY LENGTH(me.name), RANDOM() |
209 | LIMIT ? |
210 | OFFSET ? |
211 | ) me |
212 | LEFT JOIN books books |
213 | ON books.owner = me.id |
214 | ORDER BY LENGTH(me.name), RANDOM() |
215 | )', |
216 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
217 | 'Expected SQL on *function-ordered* complex limited prefetch with non-selected root data', |
218 | ); |
219 | |
220 | is_deeply ( |
221 | $empty_ordered_pref_rs->all_hri, |
222 | $empty_ordered_pref_hri, |
223 | 'Expected result on *function-ordered* complex limited prefetch with non-selected root data' |
224 | ); |
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225 | } |
226 | |
227 | |
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228 | done_testing; |