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1 | sub run_tests { |
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2 | my $schema = shift; |
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3 | |
4 | use IO::File; |
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5 | use version; |
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6 | |
7 | BEGIN { |
8 | eval "use DBD::SQLite"; |
9 | plan $@ |
10 | ? ( skip_all => 'needs DBD::SQLite for testing' ) |
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11 | : ( tests => 41 ); |
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12 | } |
13 | |
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14 | my $is_broken_sqlite = version->new($schema->storage->dbh->get_info(18)) lt '3.2.6' && |
15 | $schema->storage->dbh->get_info(17) eq 'SQLite'; |
16 | |
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17 | # test the abstract join => SQL generator |
18 | my $sa = new DBIC::SQL::Abstract; |
19 | |
20 | my @j = ( |
21 | { child => 'person' }, |
22 | [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ], |
23 | [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ], |
24 | ); |
25 | my $match = 'person child JOIN person father ON ( father.person_id = ' |
26 | . 'child.father_id ) JOIN person mother ON ( mother.person_id ' |
27 | . '= child.mother_id )' |
28 | ; |
29 | is( $sa->_recurse_from(@j), $match, 'join 1 ok' ); |
30 | |
31 | my @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 | ; |
45 | is( $sa->_recurse_from(@j2), $match, 'join 2 ok' ); |
46 | |
47 | my @j3 = ( |
48 | { child => 'person' }, |
49 | [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ], |
50 | [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ], |
51 | ); |
52 | $match = 'person child INNER JOIN person father ON ( father.person_id = ' |
53 | . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id ' |
54 | . '= child.mother_id )' |
55 | ; |
56 | |
57 | is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok'); |
58 | |
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59 | my $rs = $schema->resultset("CD")->search( |
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60 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
61 | { from => [ { 'me' => 'cd' }, |
62 | [ |
63 | { artist => 'artist' }, |
64 | { 'me.artist' => 'artist.artistid' } |
65 | ] ] } |
66 | ); |
67 | |
68 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
69 | |
70 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
71 | |
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72 | $rs = $schema->resultset("CD")->search( |
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73 | { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' }, |
74 | { join => 'artist' }); |
75 | |
76 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
77 | |
78 | is($rs->first->title, 'Forkful of bees', 'Correct record returned'); |
79 | |
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80 | $rs = $schema->resultset("CD")->search( |
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81 | { 'artist.name' => 'We Are Goth', |
82 | 'liner_notes.notes' => 'Kill Yourself!' }, |
83 | { join => [ qw/artist liner_notes/ ] }); |
84 | |
85 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
86 | |
87 | is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned'); |
88 | |
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89 | # when using join attribute, make sure slice()ing all objects has same count as all() |
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90 | $rs = $schema->resultset("CD")->search( |
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91 | { 'artist' => 1 }, |
92 | { join => [qw/artist/], order_by => 'artist.name' } |
93 | ); |
94 | cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' ); |
95 | |
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96 | $rs = $schema->resultset("Artist")->search( |
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97 | { 'liner_notes.notes' => 'Kill Yourself!' }, |
98 | { join => { 'cds' => 'liner_notes' } }); |
99 | |
100 | cmp_ok( $rs->count, '==', 1, "Single record in resultset"); |
101 | |
102 | is($rs->first->name, 'We Are Goth', 'Correct record returned'); |
103 | |
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104 | $rs = $schema->resultset("CD")->search( |
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105 | { 'artist.name' => 'Caterwauler McCrae' }, |
106 | { prefetch => [ qw/artist liner_notes/ ], |
107 | order_by => 'me.cdid' }); |
108 | |
109 | cmp_ok($rs->count, '==', 3, 'Correct number of records returned'); |
110 | |
111 | # start test for prefetch SELECT count |
112 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
113 | DBI->trace(1, 't/var/dbic.trace'); |
114 | |
115 | my @cd = $rs->all; |
116 | |
117 | is($cd[0]->title, 'Spoonful of bees', 'First record returned ok'); |
118 | |
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119 | ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join'); |
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120 | |
121 | is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN'); |
122 | |
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123 | is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class'); |
124 | |
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125 | is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok'); |
126 | |
127 | # count the SELECTs |
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128 | DBI->trace(0, undef); |
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129 | my $selects = 0; |
130 | my $trace = IO::File->new('t/var/dbic.trace', '<') |
131 | or die "Unable to read trace file"; |
132 | while (<$trace>) { |
133 | $selects++ if /SELECT/; |
134 | } |
135 | $trace->close; |
136 | unlink 't/var/dbic.trace'; |
137 | is($selects, 1, 'prefetch ran only 1 select statement'); |
138 | |
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139 | # test for partial prefetch via cols attr |
140 | my $cd = $schema->resultset('CD')->find(1, |
141 | { |
142 | cols => [qw/title artist.name/], |
143 | join => 'artist' |
144 | } |
145 | ); |
146 | ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column prefetched'); |
147 | |
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148 | # start test for nested prefetch SELECT count |
149 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
150 | DBI->trace(1, 't/var/dbic.trace'); |
151 | |
152 | $rs = $schema->resultset('Tag')->search( |
153 | {}, |
154 | { |
155 | prefetch => { cd => 'artist' } |
156 | } |
157 | ); |
158 | |
159 | my $tag = $rs->first; |
160 | |
161 | is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' ); |
162 | |
163 | is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch'); |
164 | |
165 | # count the SELECTs |
166 | DBI->trace(0, undef); |
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167 | $selects = 0; |
168 | $trace = IO::File->new('t/var/dbic.trace', '<') |
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169 | or die "Unable to read trace file"; |
170 | while (<$trace>) { |
171 | $selects++ if /SELECT(?!.*WHERE 1=0.*)/; |
172 | } |
173 | $trace->close; |
174 | unlink 't/var/dbic.trace'; |
175 | is($selects, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)'); |
176 | |
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177 | # start test for prefetch on find SELECT count |
178 | unlink 't/var/dbic.trace' if -e 't/var/dbic.trace'; |
179 | DBI->trace(1, 't/var/dbic.trace'); |
180 | |
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181 | $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' }); |
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182 | |
183 | is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find'); |
184 | |
185 | # count the SELECTs |
186 | DBI->trace(0, undef); |
187 | $selects = 0; |
188 | $trace = IO::File->new('t/var/dbic.trace', '<') |
189 | or die "Unable to read trace file"; |
190 | while (<$trace>) { |
191 | $selects++ if /SELECT(?!.*WHERE 1=0.*)/; |
192 | } |
193 | $trace->close; |
194 | unlink 't/var/dbic.trace'; |
195 | is($selects, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)'); |
196 | |
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197 | $rs = $schema->resultset('Tag')->search( |
198 | {}, |
199 | { |
200 | join => { cd => 'artist' }, |
201 | prefetch => { cd => 'artist' } |
202 | } |
203 | ); |
204 | |
205 | cmp_ok( $rs->count, '>=', 0, 'nested prefetch does not duplicate joins' ); |
206 | |
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207 | my ($artist) = $schema->resultset("Artist")->search({ 'cds.year' => 2001 }, |
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208 | { order_by => 'artistid DESC', join => 'cds' }); |
209 | |
210 | is($artist->name, 'Random Boy Band', "Join search by object ok"); |
211 | |
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212 | my @cds = $schema->resultset("CD")->search({ 'liner_notes.notes' => 'Buy Merch!' }, |
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213 | { join => 'liner_notes' }); |
214 | |
215 | cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have"); |
216 | |
217 | is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved"); |
218 | |
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219 | my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' }, |
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220 | { join => { 'cds' => 'tags' } }); |
221 | |
222 | cmp_ok( @artists, '==', 2, "two-join search ok" ); |
223 | |
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224 | $rs = $schema->resultset("CD")->search( |
225 | {}, |
226 | { group_by => [qw/ title me.cdid /] } |
227 | ); |
228 | |
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229 | SKIP: { |
230 | skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 |
231 | if $is_broken_sqlite; |
232 | cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" ); |
233 | } |
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234 | |
235 | cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" ); |
236 | |
237 | $rs = $schema->resultset("CD")->search( |
238 | {}, |
239 | { join => [qw/ artist /], group_by => [qw/ artist.name /] } |
240 | ); |
241 | |
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242 | SKIP: { |
243 | skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 |
244 | if $is_broken_sqlite; |
245 | cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" ); |
246 | } |
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247 | |
248 | cmp_ok( scalar $rs->all, '==', 3, "all() returns same count as count() after group_by on related column" ); |
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249 | |
250 | $rs = $schema->resultset("Artist")->search( |
251 | { 'cds.title' => 'Spoonful of bees', |
252 | 'cds_2.title' => 'Forkful of bees' }, |
253 | { join => [ 'cds', 'cds' ] }); |
254 | |
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255 | SKIP: { |
256 | skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1 |
257 | if $is_broken_sqlite; |
258 | cmp_ok($rs->count, '==', 1, "single artist returned from multi-join"); |
259 | } |
260 | |
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261 | is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned"); |
262 | |
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263 | my $queries; |
264 | $schema->storage->debugcb(sub { $queries++ }); |
265 | $schema->storage->debug(1); |
266 | |
267 | my $tree_like = |
268 | $schema->resultset('TreeLike')->find(4, |
269 | { join => { parent => { parent => 'parent' } }, |
270 | prefetch => { parent => { parent => 'parent' } } }); |
271 | |
272 | is($tree_like->name, 'quux', 'Bottom of tree ok'); |
273 | $tree_like = $tree_like->parent; |
274 | is($tree_like->name, 'baz', 'First level up ok'); |
275 | $tree_like = $tree_like->parent; |
276 | is($tree_like->name, 'bar', 'Second level up ok'); |
277 | $tree_like = $tree_like->parent; |
278 | is($tree_like->name, 'foo', 'Third level up ok'); |
279 | |
280 | $schema->storage->debug(0); |
281 | |
282 | cmp_ok($queries, '==', 1, 'Only one query run'); |
283 | |
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284 | } # end run_tests |
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285 | |
286 | 1; |