fix Cursor SYNOPSIS
[dbsrgits/DBIx-Class-Historic.git] / t / 76joins.t
CommitLineData
70350518 1use strict;
8273e845 2use warnings;
70350518 3
4use Test::More;
5use lib qw(t/lib);
6use DBICTest;
949172b0 7use DBIC::SqlMakerTest;
70350518 8
a47e1233 9my $schema = DBICTest->init_schema();
0567538f 10
4d91ad3f 11my $orig_debug = $schema->storage->debug;
12
0567538f 13# test the abstract join => SQL generator
d5dedbd6 14my $sa = new DBIx::Class::SQLMaker;
0567538f 15
16my @j = (
17 { child => 'person' },
18 [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ],
19 [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
20);
21my $match = 'person child JOIN person father ON ( father.person_id = '
22 . 'child.father_id ) JOIN person mother ON ( mother.person_id '
23 . '= child.mother_id )'
24 ;
af6aac2d 25is_same_sql(
26 $sa->_recurse_from(@j),
27 $match,
9b459129 28 'join 1 ok'
29);
0567538f 30
31my @j2 = (
32 { mother => 'person' },
33 [ [ { child => 'person' },
34 [ { father => 'person' },
35 { 'father.person_id' => 'child.father_id' }
36 ]
37 ],
38 { 'mother.person_id' => 'child.mother_id' }
39 ],
40);
41$match = 'person mother JOIN (person child JOIN person father ON ('
42 . ' father.person_id = child.father_id )) ON ( mother.person_id = '
43 . 'child.mother_id )'
44 ;
af6aac2d 45is_same_sql(
46 $sa->_recurse_from(@j2),
47 $match,
9b459129 48 'join 2 ok'
49);
50
0567538f 51
52my @j3 = (
53 { child => 'person' },
54 [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ],
55 [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ],
56);
57$match = 'person child INNER JOIN person father ON ( father.person_id = '
58 . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id '
59 . '= child.mother_id )'
60 ;
61
af6aac2d 62is_same_sql(
63 $sa->_recurse_from(@j3),
64 $match,
9b459129 65 'join 3 (inner join) ok'
66);
0567538f 67
ca7b9fdf 68my @j4 = (
69 { mother => 'person' },
70 [ [ { child => 'person', -join_type => 'left' },
71 [ { father => 'person', -join_type => 'right' },
72 { 'father.person_id' => 'child.father_id' }
73 ]
74 ],
75 { 'mother.person_id' => 'child.mother_id' }
76 ],
77);
78$match = 'person mother LEFT JOIN (person child RIGHT JOIN person father ON ('
79 . ' father.person_id = child.father_id )) ON ( mother.person_id = '
80 . 'child.mother_id )'
81 ;
af6aac2d 82is_same_sql(
83 $sa->_recurse_from(@j4),
84 $match,
9b459129 85 'join 4 (nested joins + join types) ok'
86);
ca7b9fdf 87
635b9634 88my @j5 = (
89 { child => 'person' },
90 [ { father => 'person' }, { 'father.person_id' => \'!= child.father_id' }, ],
91 [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
92);
93$match = 'person child JOIN person father ON ( father.person_id != '
94 . 'child.father_id ) JOIN person mother ON ( mother.person_id '
95 . '= child.mother_id )'
96 ;
af6aac2d 97is_same_sql(
98 $sa->_recurse_from(@j5),
99 $match,
9b459129 100 'join 5 (SCALAR reference for ON statement) ok'
101);
635b9634 102
f9db5527 103my $rs = $schema->resultset("CD")->search(
0567538f 104 { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
105 { from => [ { 'me' => 'cd' },
106 [
107 { artist => 'artist' },
108 { 'me.artist' => 'artist.artistid' }
109 ] ] }
110 );
111
cb9b5b23 112is( $rs + 0, 1, "Single record in resultset");
0567538f 113
114is($rs->first->title, 'Forkful of bees', 'Correct record returned');
115
f9db5527 116$rs = $schema->resultset("CD")->search(
0567538f 117 { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
118 { join => 'artist' });
119
cb9b5b23 120is( $rs + 0, 1, "Single record in resultset");
0567538f 121
122is($rs->first->title, 'Forkful of bees', 'Correct record returned');
123
f9db5527 124$rs = $schema->resultset("CD")->search(
0567538f 125 { 'artist.name' => 'We Are Goth',
126 'liner_notes.notes' => 'Kill Yourself!' },
127 { join => [ qw/artist liner_notes/ ] });
128
cb9b5b23 129is( $rs + 0, 1, "Single record in resultset");
0567538f 130
131is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned');
132
8fe164b9 133# when using join attribute, make sure slice()ing all objects has same count as all()
f9db5527 134$rs = $schema->resultset("CD")->search(
8fe164b9 135 { 'artist' => 1 },
136 { join => [qw/artist/], order_by => 'artist.name' }
137);
cb9b5b23 138is( scalar $rs->all, scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' );
8fe164b9 139
2bd9c7c0 140ok(!$rs->slice($rs->count+1000, $rs->count+1002)->count,
141 'Slicing beyond end of rs returns a zero count');
142
f9db5527 143$rs = $schema->resultset("Artist")->search(
0567538f 144 { 'liner_notes.notes' => 'Kill Yourself!' },
145 { join => { 'cds' => 'liner_notes' } });
146
cb9b5b23 147is( $rs->count, 1, "Single record in resultset");
0567538f 148
149is($rs->first->name, 'We Are Goth', 'Correct record returned');
150
9f2d17e9 151
0f6fc705 152{
153 $schema->populate('Artist', [
154 [ qw/artistid name/ ],
155 [ 4, 'Another Boy Band' ],
156 ]);
157 $schema->populate('CD', [
158 [ qw/cdid artist title year/ ],
159 [ 6, 2, "Greatest Hits", 2001 ],
160 [ 7, 4, "Greatest Hits", 2005 ],
161 [ 8, 4, "BoyBandBlues", 2008 ],
162 ]);
163 $schema->populate('TwoKeys', [
164 [ qw/artist cd/ ],
165 [ 2, 4 ],
166 [ 2, 6 ],
167 [ 4, 7 ],
168 [ 4, 8 ],
169 ]);
8273e845 170
65d35121 171 my $cd_count = sub { $schema->resultset("CD")->count };
172 my $tk_count = sub { $schema->resultset("TwoKeys")->count };
173
174 is($cd_count->(), 8, '8 rows in table cd');
175 is($tk_count->(), 7, '7 rows in table twokeys');
176
177 my $artist1_rs = $schema->resultset("CD")->search(
178 { 'artist.name' => 'Caterwauler McCrae' },
179 { join => [qw/artist/]}
180 );
181
182 my $artist2_rs = $schema->resultset("CD")->search(
183 { 'artist.name' => 'Random Boy Band' },
184 { join => [qw/artist/]}
185 );
186
187 is( $artist1_rs->count, 3, '3 Caterwauler McCrae CDs' );
188 ok( $artist1_rs->delete, 'Successfully deleted 3 CDs' );
189 is( $artist1_rs->count, 0, '0 Caterwauler McCrae CDs' );
190 is( $artist2_rs->count, 2, '3 Random Boy Band CDs' );
191 ok( $artist2_rs->update( { 'artist' => 1 } ) );
192 is( $artist2_rs->count, 0, '0 Random Boy Band CDs' );
193 is( $artist1_rs->count, 2, '2 Caterwauler McCrae CDs' );
0f6fc705 194
195 # test update on multi-column-pk
65d35121 196 my $tk1_rs = $schema->resultset("TwoKeys")->search(
197 {
198 'artist.name' => { like => '%Boy Band' },
199 'cd.title' => 'Greatest Hits',
200 },
201 { join => [qw/artist cd/] }
202 );
203
204 my $tk2_rs = $schema->resultset("TwoKeys")->search(
205 { 'artist.name' => 'Caterwauler McCrae' },
206 { join => [qw/artist/]}
207 );
208
209 is( $tk2_rs->count, 2, 'TwoKeys count == 2' );
210 is( $tk1_rs->count, 2, 'TwoKeys count == 2' );
211 ok( $tk1_rs->update( { artist => 1 } ) );
212 is( $tk1_rs->count, 0, 'TwoKeys count == 0' );
213 is( $tk2_rs->count, 4, '2 Caterwauler McCrae CDs' );
214 ok( $tk2_rs->delete, 'Successfully deleted 4 CDs' );
215 is($cd_count->(), 5, '5 rows in table cd');
216 is($tk_count->(), 3, '3 rows in table twokeys');
0f6fc705 217}
56166f36 218
219done_testing;