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1 | use strict; |
2 | use Test::More; |
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3 | use IO::File; |
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4 | |
5 | BEGIN { |
6 | eval "use DBD::SQLite"; |
7 | plan $@ |
8 | ? ( skip_all => 'needs DBD::SQLite for testing' ) |
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9 | : ( tests => 22 ); |
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10 | } |
11 | |
12 | use lib qw(t/lib); |
13 | |
14 | use_ok('DBICTest'); |
15 | |
16 | # test the abstract join => SQL generator |
17 | my $sa = new DBIC::SQL::Abstract; |
18 | |
19 | my @j = ( |
20 | { child => 'person' }, |
21 | [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ], |
22 | [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], |
23 | ); |
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24 | my $match = 'person child JOIN person father ON ( father.person_id = ' |
25 | . 'child.father_id ) JOIN person mother ON ( mother.person_id ' |
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26 | . '= child.mother_id )' |
27 | ; |
28 | is( $sa->_recurse_from(@j), $match, 'join 1 ok' ); |
29 | |
30 | my @j2 = ( |
31 | { mother => 'person' }, |
32 | [ [ { child => 'person' }, |
33 | [ { father => 'person' }, |
34 | { 'father.person_id' => 'child.father_id' } |
35 | ] |
36 | ], |
37 | { 'mother.person_id' => 'child.mother_id' } |
38 | ], |
39 | ); |
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40 | $match = 'person mother JOIN (person child JOIN person father ON (' |
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41 | . ' father.person_id = child.father_id )) ON ( mother.person_id = ' |
42 | . 'child.mother_id )' |
43 | ; |
44 | is( $sa->_recurse_from(@j2), $match, 'join 2 ok' ); |
45 | |
46 | my @j3 = ( |
47 | { child => 'person' }, |
48 | [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ], |
49 | [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ], |
50 | ); |
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51 | $match = 'person child INNER JOIN person father ON ( father.person_id = ' |
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52 | . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id ' |
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53 | . '= child.mother_id )' |
54 | ; |
55 | |
56 | is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok'); |
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57 | |
58 | my $rs = DBICTest::CD->search( |
59 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
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60 | { from => [ { 'me' => 'cd' }, |
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61 | [ |
62 | { artist => 'artist' }, |
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63 | { 'me.artist' => 'artist.artistid' } |
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64 | ] ] } |
65 | ); |
66 | |
67 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
68 | |
69 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
70 | |
71 | $rs = DBICTest::CD->search( |
72 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
73 | { join => 'artist' }); |
74 | |
75 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
76 | |
77 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
78 | |
79 | $rs = DBICTest::CD->search( |
80 | { 'artist.name' => 'We Are Goth', |
81 | 'liner_notes.notes' => 'Kill Yourself!' }, |
82 | { join => [ qw/artist liner_notes/ ] }); |
83 | |
84 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
85 | |
86 | is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned'); |
87 | |
88 | $rs = DBICTest::Artist->search( |
89 | { 'liner_notes.notes' => 'Kill Yourself!' }, |
90 | { join => { 'cds' => 'liner_notes' } }); |
91 | |
92 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
93 | |
94 | is($rs->first->name, 'We Are Goth', 'Correct record returned'); |
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95 | |
96 | DBICTest::Schema::CD->add_relationship( |
97 | artist => 'DBICTest::Schema::Artist', |
98 | { 'foreign.artistid' => 'self.artist' }, |
99 | { accessor => 'filter' }, |
100 | ); |
101 | |
102 | DBICTest::Schema::CD->add_relationship( |
103 | liner_notes => 'DBICTest::Schema::LinerNotes', |
104 | { 'foreign.liner_id' => 'self.cdid' }, |
105 | { join_type => 'LEFT', accessor => 'single' }); |
106 | |
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107 | $rs = DBICTest::CD->search( |
108 | { 'artist.name' => 'Caterwauler McCrae' }, |
109 | { prefetch => [ qw/artist liner_notes/ ], |
110 | order_by => 'me.cdid' }); |
111 | |
112 | cmp_ok($rs->count, '==', 3, 'Correct number of records returned'); |
113 | |
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114 | # start test for prefetch SELECT count |
115 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
116 | DBI->trace(1, 't/var/dbic.trace'); |
117 | |
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118 | my @cd = $rs->all; |
119 | |
120 | is($cd[0]->title, 'Spoonful of bees', 'First record returned ok'); |
121 | |
122 | ok(!exists $cd[0]->{_relationship_data}{liner_notes}, 'No prefetch for NULL LEFT JOIN'); |
123 | |
124 | is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN'); |
125 | |
126 | is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok'); |
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127 | |
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128 | # count the SELECTs |
129 | DBI->trace(0); |
130 | my $selects = 0; |
131 | my $trace = IO::File->new('t/var/dbic.trace', '<') |
132 | or die "Unable to read trace file"; |
133 | while (<$trace>) { |
134 | $selects++ if /SELECT/; |
135 | } |
136 | $trace->close; |
137 | unlink 't/var/dbic.trace'; |
138 | is($selects, 1, 'prefetch ran only 1 select statement'); |
139 | |
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140 | my ($artist) = DBICTest::Artist->search({ 'cds.year' => 2001 }, |
141 | { order_by => 'artistid DESC', join => 'cds' }); |
142 | |
143 | is($artist->name, 'Random Boy Band', "Join search by object ok"); |
144 | |
145 | my @cds = DBICTest::CD->search({ 'liner_notes.notes' => 'Buy Merch!' }, |
146 | { join => 'liner_notes' }); |
147 | |
148 | cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have"); |
149 | |
150 | is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved"); |
151 | |
152 | my @artists = DBICTest::Artist->search({ 'tags.tag' => 'Shiny' }, |
153 | { join => { 'cds' => 'tags' } }); |
154 | |
155 | cmp_ok( @artists, '==', 2, "two-join search ok" ); |