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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); |
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8 | use DBICTest ':DiffSQL'; |
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9 | |
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10 | my $schema = DBICTest->init_schema(); |
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11 | |
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12 | lives_ok(sub { |
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13 | # while cds.* will be selected anyway (prefetch implies it) |
14 | # only the requested me.name column will be fetched. |
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15 | |
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16 | # reference sql with select => [...] |
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17 | # SELECT me.name, cds.title, cds.cdid, cds.artist, cds.title, cds.year, cds.genreid, cds.single_track FROM ... |
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18 | |
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19 | my $rs = $schema->resultset('Artist')->search( |
20 | { 'cds.title' => { '!=', 'Generic Manufactured Singles' } }, |
21 | { |
22 | prefetch => [ qw/ cds / ], |
23 | order_by => [ { -desc => 'me.name' }, 'cds.title' ], |
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24 | select => [qw/ me.name cds.title / ], |
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25 | }, |
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26 | ); |
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27 | |
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28 | is ($rs->count, 2, 'Correct number of collapsed artists'); |
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29 | my ($we_are_goth) = $rs->all; |
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30 | is ($we_are_goth->name, 'We Are Goth', 'Correct first artist'); |
31 | is ($we_are_goth->cds->count, 1, 'Correct number of CDs for first artist'); |
32 | is ($we_are_goth->cds->first->title, 'Come Be Depressed With Us', 'Correct cd for artist'); |
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33 | }, 'explicit prefetch on a keyless object works'); |
34 | |
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35 | lives_ok ( sub { |
36 | |
37 | my $rs = $schema->resultset('CD')->search( |
38 | {}, |
39 | { |
40 | order_by => [ { -desc => 'me.year' } ], |
41 | } |
42 | ); |
43 | my $years = [qw/ 2001 2001 1999 1998 1997/]; |
44 | |
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45 | cmp_deeply ( |
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46 | [ $rs->search->get_column('me.year')->all ], |
47 | $years, |
48 | 'Expected years (at least one duplicate)', |
49 | ); |
50 | |
51 | my @cds_and_tracks; |
52 | for my $cd ($rs->all) { |
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53 | my $data = { year => $cd->year, cdid => $cd->cdid }; |
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54 | for my $tr ($cd->tracks->all) { |
55 | push @{$data->{tracks}}, { $tr->get_columns }; |
56 | } |
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57 | @{$data->{tracks}} = sort { $a->{trackid} <=> $b->{trackid} } @{$data->{tracks}}; |
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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}}, { $tr->get_columns }; |
68 | } |
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69 | @{$data->{tracks}} = sort { $a->{trackid} <=> $b->{trackid} } @{$data->{tracks}}; |
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70 | push @pref_cds_and_tracks, $data; |
71 | } |
72 | |
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73 | cmp_deeply ( |
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74 | \@pref_cds_and_tracks, |
75 | \@cds_and_tracks, |
76 | 'Correct collapsing on non-unique primary object' |
77 | ); |
78 | |
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79 | cmp_deeply ( |
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80 | $pref_rs->search ({}, { order_by => [ { -desc => 'me.year' }, 'trackid' ] })->all_hri, |
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81 | \@cds_and_tracks, |
82 | 'Correct HRI collapsing on non-unique primary object' |
83 | ); |
84 | |
85 | }, 'weird collapse lives'); |
86 | |
87 | |
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88 | lives_ok(sub { |
89 | # test implicit prefetch as well |
90 | |
91 | my $rs = $schema->resultset('CD')->search( |
92 | { title => 'Generic Manufactured Singles' }, |
93 | { |
94 | join=> 'artist', |
95 | select => [qw/ me.title artist.name / ], |
96 | } |
97 | ); |
98 | |
99 | my $cd = $rs->next; |
100 | is ($cd->title, 'Generic Manufactured Singles', 'CD title prefetched correctly'); |
101 | isa_ok ($cd->artist, 'DBICTest::Artist'); |
102 | is ($cd->artist->name, 'Random Boy Band', 'Artist object has correct name'); |
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103 | |
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104 | }, 'implicit keyless prefetch works'); |
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105 | |
106 | # sane error |
107 | throws_ok( |
108 | sub { |
109 | $schema->resultset('Track')->search({}, { join => { cd => 'artist' }, '+columns' => 'artist.name' } )->next; |
110 | }, |
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111 | qr|\QInflation into non-existent relationship 'artist' of 'Track' requested, check the inflation specification (columns/as) ending in '...artist.name'|, |
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112 | 'Sensible error message on mis-specified "as"', |
113 | ); |
114 | |
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115 | # check complex limiting prefetch without the join-able columns |
116 | { |
117 | my $pref_rs = $schema->resultset('Owners')->search({}, { |
118 | rows => 3, |
119 | offset => 1, |
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120 | order_by => 'name', |
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121 | columns => 'name', # only the owner name, still prefetch all the books |
122 | prefetch => 'books', |
123 | }); |
124 | |
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125 | is_same_sql_bind( |
126 | $pref_rs->as_query, |
127 | '( |
128 | SELECT me.name, books.id, books.source, books.owner, books.title, books.price |
129 | FROM ( |
130 | SELECT me.name, me.id |
131 | FROM owners me |
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132 | ORDER BY name |
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133 | LIMIT ? |
134 | OFFSET ? |
135 | ) me |
136 | LEFT JOIN books books |
137 | ON books.owner = me.id |
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138 | ORDER BY name |
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139 | )', |
140 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
141 | 'Expected SQL on complex limited prefetch with non-selected join condition', |
142 | ); |
143 | |
144 | is_deeply ( |
145 | $pref_rs->all_hri, |
146 | [ { |
147 | name => "Waltham", |
148 | books => [ { |
149 | id => 3, |
150 | owner => 2, |
151 | price => 65, |
152 | source => "Library", |
153 | title => "Best Recipe Cookbook", |
154 | } ], |
155 | } ], |
156 | 'Expected result on complex limited prefetch with non-selected join condition' |
157 | ); |
158 | |
159 | my $empty_ordered_pref_rs = $pref_rs->search({}, { |
160 | columns => [], # nothing, we only prefetch the book data |
161 | order_by => 'me.name', |
162 | }); |
163 | my $empty_ordered_pref_hri = [ { |
164 | books => [ { |
165 | id => 3, |
166 | owner => 2, |
167 | price => 65, |
168 | source => "Library", |
169 | title => "Best Recipe Cookbook", |
170 | } ], |
171 | } ]; |
172 | |
173 | is_same_sql_bind( |
174 | $empty_ordered_pref_rs->as_query, |
175 | '( |
176 | SELECT books.id, books.source, books.owner, books.title, books.price |
177 | FROM ( |
178 | SELECT me.id, me.name |
179 | FROM owners me |
180 | ORDER BY me.name |
181 | LIMIT ? |
182 | OFFSET ? |
183 | ) me |
184 | LEFT JOIN books books |
185 | ON books.owner = me.id |
186 | ORDER BY me.name |
187 | )', |
188 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
189 | 'Expected SQL on *ordered* complex limited prefetch with non-selected root data', |
190 | ); |
191 | |
192 | is_deeply ( |
193 | $empty_ordered_pref_rs->all_hri, |
194 | $empty_ordered_pref_hri, |
195 | 'Expected result on *ordered* complex limited prefetch with non-selected root data' |
196 | ); |
197 | |
198 | $empty_ordered_pref_rs = $empty_ordered_pref_rs->search({}, { |
199 | order_by => [ \ 'LENGTH(me.name)', \ 'RANDOM()' ], |
200 | }); |
201 | |
202 | is_same_sql_bind( |
203 | $empty_ordered_pref_rs->as_query, |
204 | '( |
205 | SELECT books.id, books.source, books.owner, books.title, books.price |
206 | FROM ( |
207 | SELECT me.id, me.name |
208 | FROM owners me |
209 | ORDER BY LENGTH(me.name), RANDOM() |
210 | LIMIT ? |
211 | OFFSET ? |
212 | ) me |
213 | LEFT JOIN books books |
214 | ON books.owner = me.id |
215 | ORDER BY LENGTH(me.name), RANDOM() |
216 | )', |
217 | [ [ { sqlt_datatype => "integer" } => 3 ], [ { sqlt_datatype => "integer" } => 1 ] ], |
218 | 'Expected SQL on *function-ordered* complex limited prefetch with non-selected root data', |
219 | ); |
220 | |
221 | is_deeply ( |
222 | $empty_ordered_pref_rs->all_hri, |
223 | $empty_ordered_pref_hri, |
224 | 'Expected result on *function-ordered* complex limited prefetch with non-selected root data' |
225 | ); |
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226 | } |
227 | |
228 | |
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229 | done_testing; |