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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, |
119 | columns => 'name', # only the owner name, still prefetch all the books |
120 | prefetch => 'books', |
121 | }); |
122 | |
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123 | is_same_sql_bind( |
124 | $pref_rs->as_query, |
125 | '( |
126 | SELECT me.name, books.id, books.source, books.owner, books.title, books.price |
127 | FROM ( |
128 | SELECT me.name, me.id |
129 | FROM owners me |
130 | LIMIT ? |
131 | OFFSET ? |
132 | ) me |
133 | LEFT JOIN books books |
134 | ON books.owner = me.id |
135 | )', |
136 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
137 | 'Expected SQL on complex limited prefetch with non-selected join condition', |
138 | ); |
139 | |
140 | is_deeply ( |
141 | $pref_rs->all_hri, |
142 | [ { |
143 | name => "Waltham", |
144 | books => [ { |
145 | id => 3, |
146 | owner => 2, |
147 | price => 65, |
148 | source => "Library", |
149 | title => "Best Recipe Cookbook", |
150 | } ], |
151 | } ], |
152 | 'Expected result on complex limited prefetch with non-selected join condition' |
153 | ); |
154 | |
155 | my $empty_ordered_pref_rs = $pref_rs->search({}, { |
156 | columns => [], # nothing, we only prefetch the book data |
157 | order_by => 'me.name', |
158 | }); |
159 | my $empty_ordered_pref_hri = [ { |
160 | books => [ { |
161 | id => 3, |
162 | owner => 2, |
163 | price => 65, |
164 | source => "Library", |
165 | title => "Best Recipe Cookbook", |
166 | } ], |
167 | } ]; |
168 | |
169 | is_same_sql_bind( |
170 | $empty_ordered_pref_rs->as_query, |
171 | '( |
172 | SELECT books.id, books.source, books.owner, books.title, books.price |
173 | FROM ( |
174 | SELECT me.id, me.name |
175 | FROM owners me |
176 | ORDER BY me.name |
177 | LIMIT ? |
178 | OFFSET ? |
179 | ) me |
180 | LEFT JOIN books books |
181 | ON books.owner = me.id |
182 | ORDER BY me.name |
183 | )', |
184 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
185 | 'Expected SQL on *ordered* complex limited prefetch with non-selected root data', |
186 | ); |
187 | |
188 | is_deeply ( |
189 | $empty_ordered_pref_rs->all_hri, |
190 | $empty_ordered_pref_hri, |
191 | 'Expected result on *ordered* complex limited prefetch with non-selected root data' |
192 | ); |
193 | |
194 | $empty_ordered_pref_rs = $empty_ordered_pref_rs->search({}, { |
195 | order_by => [ \ 'LENGTH(me.name)', \ 'RANDOM()' ], |
196 | }); |
197 | |
198 | is_same_sql_bind( |
199 | $empty_ordered_pref_rs->as_query, |
200 | '( |
201 | SELECT books.id, books.source, books.owner, books.title, books.price |
202 | FROM ( |
203 | SELECT me.id, me.name |
204 | FROM owners me |
205 | ORDER BY LENGTH(me.name), RANDOM() |
206 | LIMIT ? |
207 | OFFSET ? |
208 | ) me |
209 | LEFT JOIN books books |
210 | ON books.owner = me.id |
211 | ORDER BY LENGTH(me.name), RANDOM() |
212 | )', |
213 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
214 | 'Expected SQL on *function-ordered* complex limited prefetch with non-selected root data', |
215 | ); |
216 | |
217 | is_deeply ( |
218 | $empty_ordered_pref_rs->all_hri, |
219 | $empty_ordered_pref_hri, |
220 | 'Expected result on *function-ordered* complex limited prefetch with non-selected root data' |
221 | ); |
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222 | } |
223 | |
224 | |
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225 | done_testing; |