7 eval "use DBD::SQLite";
9 ? ( skip_all => 'needs DBD::SQLite for testing' )
13 # figure out if we've got a version of sqlite that is older than 3.2.6, in
14 # which case COUNT(DISTINCT()) doesn't work
15 my $is_broken_sqlite = 0;
16 my ($sqlite_major_ver,$sqlite_minor_ver,$sqlite_patch_ver) =
17 split /\./, $schema->storage->dbh->get_info(18);
18 if( $schema->storage->dbh->get_info(17) eq 'SQLite' &&
19 ( ($sqlite_major_ver < 3) ||
20 ($sqlite_major_ver == 3 && $sqlite_minor_ver < 2) ||
21 ($sqlite_major_ver == 3 && $sqlite_minor_ver == 2 && $sqlite_patch_ver < 6) ) ) {
22 $is_broken_sqlite = 1;
25 # test the abstract join => SQL generator
26 my $sa = new DBIC::SQL::Abstract;
29 { child => 'person' },
30 [ { father => 'person' }, { 'father.person_id' => 'child.father_id' }, ],
31 [ { mother => 'person' }, { 'mother.person_id' => 'child.mother_id' } ],
33 my $match = 'person child JOIN person father ON ( father.person_id = '
34 . 'child.father_id ) JOIN person mother ON ( mother.person_id '
35 . '= child.mother_id )'
37 is( $sa->_recurse_from(@j), $match, 'join 1 ok' );
40 { mother => 'person' },
41 [ [ { child => 'person' },
42 [ { father => 'person' },
43 { 'father.person_id' => 'child.father_id' }
46 { 'mother.person_id' => 'child.mother_id' }
49 $match = 'person mother JOIN (person child JOIN person father ON ('
50 . ' father.person_id = child.father_id )) ON ( mother.person_id = '
53 is( $sa->_recurse_from(@j2), $match, 'join 2 ok' );
56 { child => 'person' },
57 [ { father => 'person', -join_type => 'inner' }, { 'father.person_id' => 'child.father_id' }, ],
58 [ { mother => 'person', -join_type => 'inner' }, { 'mother.person_id' => 'child.mother_id' } ],
60 $match = 'person child INNER JOIN person father ON ( father.person_id = '
61 . 'child.father_id ) INNER JOIN person mother ON ( mother.person_id '
62 . '= child.mother_id )'
65 is( $sa->_recurse_from(@j3), $match, 'join 3 (inner join) ok');
67 my $rs = $schema->resultset("CD")->search(
68 { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
69 { from => [ { 'me' => 'cd' },
71 { artist => 'artist' },
72 { 'me.artist' => 'artist.artistid' }
76 cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
78 is($rs->first->title, 'Forkful of bees', 'Correct record returned');
80 $rs = $schema->resultset("CD")->search(
81 { 'year' => 2001, 'artist.name' => 'Caterwauler McCrae' },
82 { join => 'artist' });
84 cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
86 is($rs->first->title, 'Forkful of bees', 'Correct record returned');
88 $rs = $schema->resultset("CD")->search(
89 { 'artist.name' => 'We Are Goth',
90 'liner_notes.notes' => 'Kill Yourself!' },
91 { join => [ qw/artist liner_notes/ ] });
93 cmp_ok( $rs + 0, '==', 1, "Single record in resultset");
95 is($rs->first->title, 'Come Be Depressed With Us', 'Correct record returned');
97 # when using join attribute, make sure slice()ing all objects has same count as all()
98 $rs = $schema->resultset("CD")->search(
100 { join => [qw/artist/], order_by => 'artist.name' }
102 cmp_ok( scalar $rs->all, '==', scalar $rs->slice(0, $rs->count - 1), 'slice() with join has same count as all()' );
104 eval { $rs->search(undef, { rows => 0, offset => 3 })->all; };
106 ok($@, "rows => 0 errors: $@");
108 $rs = $schema->resultset("Artist")->search(
109 { 'liner_notes.notes' => 'Kill Yourself!' },
110 { join => { 'cds' => 'liner_notes' } });
112 cmp_ok( $rs->count, '==', 1, "Single record in resultset");
114 is($rs->first->name, 'We Are Goth', 'Correct record returned');
116 $rs = $schema->resultset("CD")->search(
117 { 'artist.name' => 'Caterwauler McCrae' },
118 { prefetch => [ qw/artist liner_notes/ ],
119 order_by => 'me.cdid' });
121 cmp_ok($rs + 0, '==', 3, 'Correct number of records returned');
124 $schema->storage->debugcb(sub { $queries++ });
127 $schema->storage->debug(1);
131 is($cd[0]->title, 'Spoonful of bees', 'First record returned ok');
133 ok(!defined $cd[0]->liner_notes, 'No prefetch for NULL LEFT join');
135 is($cd[1]->{_relationship_data}{liner_notes}->notes, 'Buy Whiskey!', 'Prefetch for present LEFT JOIN');
137 is(ref $cd[1]->liner_notes, 'DBICTest::LinerNotes', 'Prefetch returns correct class');
139 is($cd[2]->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'Prefetch on parent object ok');
141 is($queries, 1, 'prefetch ran only 1 select statement');
143 $schema->storage->debug(0);
145 # test for partial prefetch via columns attr
146 my $cd = $schema->resultset('CD')->find(1,
148 columns => [qw/title artist.name/],
149 join => { 'artist' => {} }
152 ok(eval { $cd->artist->name eq 'Caterwauler McCrae' }, 'single related column prefetched');
154 # start test for nested prefetch SELECT count
156 $schema->storage->debug(1);
158 $rs = $schema->resultset('Tag')->search(
161 prefetch => { cd => 'artist' }
165 my $tag = $rs->first;
167 is( $tag->cd->title, 'Spoonful of bees', 'step 1 ok for nested prefetch' );
169 is( $tag->cd->artist->name, 'Caterwauler McCrae', 'step 2 ok for nested prefetch');
172 #$selects++ if /SELECT(?!.*WHERE 1=0.*)/;
173 is($queries, 1, 'nested prefetch ran exactly 1 select statement (excluding column_info)');
177 $cd = $schema->resultset('CD')->find(1, { prefetch => 'artist' });
179 is($cd->{_inflated_column}{artist}->name, 'Caterwauler McCrae', 'artist prefetched correctly on find');
181 is($queries, 1, 'find with prefetch ran exactly 1 select statement (excluding column_info)');
183 $schema->storage->debug(0);
185 $rs = $schema->resultset('Tag')->search(
188 join => { cd => 'artist' },
189 prefetch => { cd => 'artist' }
193 cmp_ok( $rs->count, '>=', 0, 'nested prefetch does not duplicate joins' );
195 my ($artist) = $schema->resultset("Artist")->search({ 'cds.year' => 2001 },
196 { order_by => 'artistid DESC', join => 'cds' });
198 is($artist->name, 'Random Boy Band', "Join search by object ok");
200 my @cds = $schema->resultset("CD")->search({ 'liner_notes.notes' => 'Buy Merch!' },
201 { join => 'liner_notes' });
203 cmp_ok(scalar @cds, '==', 1, "Single CD retrieved via might_have");
205 is($cds[0]->title, "Generic Manufactured Singles", "Correct CD retrieved");
207 my @artists = $schema->resultset("Artist")->search({ 'tags.tag' => 'Shiny' },
208 { join => { 'cds' => 'tags' } });
210 cmp_ok( @artists, '==', 2, "two-join search ok" );
212 $rs = $schema->resultset("CD")->search(
214 { group_by => [qw/ title me.cdid /] }
218 skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
219 if $is_broken_sqlite;
220 cmp_ok( $rs->count, '==', 5, "count() ok after group_by on main pk" );
223 cmp_ok( scalar $rs->all, '==', 5, "all() returns same count as count() after group_by on main pk" );
225 $rs = $schema->resultset("CD")->search(
227 { join => [qw/ artist /], group_by => [qw/ artist.name /] }
231 skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
232 if $is_broken_sqlite;
233 cmp_ok( $rs->count, '==', 3, "count() ok after group_by on related column" );
236 $rs = $schema->resultset("Artist")->search(
238 { join => [qw/ cds /], group_by => [qw/ me.name /], having =>{ 'MAX(cds.cdid)'=> \'< 5' } }
241 cmp_ok( $rs->all, '==', 2, "results ok after group_by on related column with a having" );
243 $rs = $rs->search( undef, { having =>{ 'count(*)'=> \'> 2' }});
245 cmp_ok( $rs->all, '==', 1, "count() ok after group_by on related column with a having" );
247 $rs = $schema->resultset("Artist")->search(
248 { 'cds.title' => 'Spoonful of bees',
249 'cds_2.title' => 'Forkful of bees' },
250 { join => [ 'cds', 'cds' ] });
253 skip "SQLite < 3.2.6 doesn't understand COUNT(DISTINCT())", 1
254 if $is_broken_sqlite;
255 cmp_ok($rs->count, '==', 1, "single artist returned from multi-join");
258 is($rs->next->name, 'Caterwauler McCrae', "Correct artist returned");
261 $schema->storage->debug(1);
264 $schema->resultset('TreeLike')->find(4,
265 { join => { parent => { parent => 'parent' } },
266 prefetch => { parent => { parent => 'parent' } } });
268 is($tree_like->name, 'quux', 'Bottom of tree ok');
269 $tree_like = $tree_like->parent;
270 is($tree_like->name, 'baz', 'First level up ok');
271 $tree_like = $tree_like->parent;
272 is($tree_like->name, 'bar', 'Second level up ok');
273 $tree_like = $tree_like->parent;
274 is($tree_like->name, 'foo', 'Third level up ok');
276 $schema->storage->debug(0);
278 cmp_ok($queries, '==', 1, 'Only one query run');
280 # has_many resulting in an additional select if no records available despite prefetch
281 my $track = $schema->resultset("Artist")->create( {
283 name => 'Artist without CDs',
287 $schema->storage->debug(1);
289 my $artist_without_cds = $schema->resultset("Artist")->find(4, {
291 prefetch => [qw/ cds /],
293 my @no_cds = $artist_without_cds->cds;
295 is($queries, 1, 'prefetch ran only 1 sql statement');
297 $schema->storage->debug(0);