8 # MASSIVE FIXME - there is a hole in ::RSC / as_subselect_rs
9 # losing the order. Needs a rework/extract of the realiaser,
10 # and that's a whole another bag of dicks
11 BEGIN { $ENV{DBIC_SHUFFLE_UNORDERED_RESULTSETS} = 0 }
14 use DBICTest ':DiffSQL';
16 my $schema = DBICTest->init_schema();
18 my $rs = $schema->resultset("CD");
23 $rs->search ({}, {columns => ['year'], distinct => 1})->count,
24 'At least one year is the same in rs'
27 my $rs_title = $rs->get_column('title');
28 my $rs_year = $rs->get_column('year');
29 my $max_year = $rs->get_column(\'MAX (year)');
31 my @all_titles = $rs_title->all;
32 cmp_ok(scalar @all_titles, '==', 5, "five titles returned");
35 while (my $r = $rs_title->next) {
36 push @nexted_titles, $r;
39 is_deeply (\@all_titles, \@nexted_titles, 'next works');
41 is_deeply( [ sort $rs_year->func('DISTINCT') ], [ 1997, 1998, 1999, 2001 ], "wantarray context okay");
42 ok ($max_year->next == $rs_year->max, q/get_column (\'FUNC') ok/);
44 cmp_ok($rs_year->max, '==', 2001, "max okay for year");
45 is($rs_title->min, 'Caterwaulin\' Blues', "min okay for title");
47 cmp_ok($rs_year->sum, '==', 9996, "three artists returned");
50 my $rso_year = $rs->search({}, { order_by => 'cdid' })->get_column('year');
51 is($rso_year->next, 1999, "reset okay");
53 is($rso_year->first, 1999, "first okay");
56 is($rso_year->single, 1999, "single okay");
57 }, qr/Query returned more than one row/, 'single warned');
61 # test distinct propagation
63 [sort $rs->search ({}, { distinct => 1 })->get_column ('year')->all],
64 [sort $rs_year->func('distinct')],
65 'distinct => 1 is passed through properly',
68 # test illogical distinct
69 my $dist_rs = $rs->search ({}, {
72 order_by => { -desc => [qw( cdid year )] },
81 ORDER BY MAX(cdid) DESC, year DESC
84 'Correct SQL on external-ordered distinct',
88 $dist_rs->count_rs->as_query,
98 'Correct SQL on count of external-orderdd distinct',
102 $dist_rs->count_rs->next,
110 'Correct direct count',
113 # test +select/+as for single column
114 my $psrs = $schema->resultset('CD')->search({},
116 '+select' => \'MAX(year)',
120 lives_ok(sub { $psrs->get_column('last_year')->next }, '+select/+as additional column "last_year" present (scalar)');
121 dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception');
123 # test +select/+as for overriding a column
124 $psrs = $schema->resultset('CD')->search({},
126 'select' => \"'The Final Countdown'",
130 is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overridden column "title"');
133 # test +select/+as for multiple columns
134 $psrs = $schema->resultset('CD')->search({},
136 '+select' => [ \'LENGTH(title) AS title_length', 'title' ],
137 '+as' => [ 'tlength', 'addedtitle' ]
140 lives_ok(sub { $psrs->get_column('tlength')->next }, '+select/+as multiple additional columns, "tlength" column present');
141 lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present');
143 # test that +select/+as specs do not leak
145 $psrs->get_column('year')->as_query,
146 '(SELECT me.year FROM cd me)',
148 'Correct SQL for get_column/as'
152 $psrs->get_column('addedtitle')->as_query,
153 '(SELECT me.title FROM cd me)',
155 'Correct SQL for get_column/+as col'
159 $psrs->get_column('tlength')->as_query,
160 '(SELECT LENGTH(title) AS title_length FROM cd me)',
162 'Correct SQL for get_column/+as func'
165 # test that order_by over a function forces a subquery
168 [ $psrs->search ({}, { order_by => { -desc => 'title_length' } })->get_column ('title')->all ],
170 "Generic Manufactured Singles",
171 "Come Be Depressed With Us",
172 "Caterwaulin' Blues",
176 'Subquery count induced by aliased ordering function',
180 # test for prefetch not leaking
182 my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' });
183 my $rsc = $rs->get_column('year');
184 is( $rsc->{_parent_resultset}->{attrs}->{prefetch}, undef, 'prefetch wiped' );
188 is ($schema->resultset('BooksInLibrary')->get_column ('price')->sum, 125, 'Sum of a resultset works correctly');
190 # test sum over search_related
191 my $owner = $schema->resultset('Owners')->find ({ name => 'Newton' });
192 ok ($owner->books->count > 1, 'Owner Newton has multiple books');
193 is ($owner->search_related ('books')->get_column ('price')->sum, 60, 'Correctly calculated price of all owned books');
196 # make sure joined/prefetched get_column of a PK dtrt
198 my $j_rs = $rs->search ({}, { join => 'tracks' })->get_column ('cdid');
201 [ sort map { my $c = $rs->next; ( ($c->id) x $c->tracks->count ) } (1 .. $rs->count) ],
202 'join properly explodes amount of rows from get_column',
206 my $p_rs = $rs->search ({}, { prefetch => 'tracks' })->get_column ('cdid');
209 [ sort $rs->get_column ('cdid')->all ],
210 'prefetch properly collapses amount of rows from get_column',
214 my $pob_rs = $rs->search({}, {
215 select => ['me.title', 'tracks.title'],
216 prefetch => 'tracks',
217 order_by => [{-asc => ['position']}],
218 group_by => ['me.title', 'tracks.title'],
221 $pob_rs->get_column("me.title")->as_query,
222 '(SELECT me.title FROM (SELECT me.title, tracks.title FROM cd me LEFT JOIN track tracks ON tracks.cd = me.cdid GROUP BY me.title, tracks.title ORDER BY position ASC) me)',
224 'Correct SQL for prefetch/order_by/group_by'
227 # test aggregate on a function (create an extra track on one cd)
229 my $tr_rs = $schema->resultset("Track");
230 $tr_rs->create({ cd => 2, title => 'dealbreaker' });
233 $tr_rs->get_column('cd')->max,
235 "Correct: Max cd in Track is 5"
238 my $track_counts_per_cd_via_group_by = $tr_rs->search({}, {
239 columns => [ 'cd', { cnt => { count => 'trackid', -as => 'cnt' } } ],
241 })->get_column('cnt');
243 is ($track_counts_per_cd_via_group_by->max, 4, 'Correct max tracks per cd');
244 is ($track_counts_per_cd_via_group_by->min, 3, 'Correct min tracks per cd');
246 sprintf('%0.1f', $track_counts_per_cd_via_group_by->func('avg') ),
248 'Correct avg tracks per cd'
252 # test exotic scenarious (create a track-less cd)
253 # "How many CDs (not tracks) have been released per year where a given CD has at least one track and the artist isn't evancarroll?"
256 $schema->resultset('CD')->create({ artist => 1, title => 'dealbroker no tracks', year => 2001 });
258 my $yp1 = \[ 'year + ?', 1 ];
260 my $rs = $schema->resultset ('CD')->search (
261 { 'artist.name' => { '!=', 'evancarrol' }, 'tracks.trackid' => { '!=', undef } },
263 order_by => 'me.year',
264 join => [qw(artist tracks)],
267 { cnt => { count => 'me.cdid' } },
268 { year_plus_one => $yp1 },
274 'explicitly grouped' => $rs->search_rs({}, { group_by => [ 'year', $yp1 ] } ),
275 'implicitly grouped' => $rs->search_rs({}, { distinct => 1 }),
278 for my $type (keys %$rstypes) {
279 is ($rstypes->{$type}->count, 4, "correct cd count with $type column");
282 [ $rstypes->{$type}->get_column ('year')->all ],
283 [qw(1997 1998 1999 2001)],
284 "Getting $type column works",
288 # Why do we test this - we want to make sure that the selector *will* actually make
289 # it to the group_by as per the distinct => 1 contract. Before 0.08251 this situation
290 # would silently drop the group_by entirely, likely ending up with nonsensival results
291 # With the current behavior the user will at least get a nice fat exception from the
292 # RDBMS (or maybe the RDBMS will even decide to handle the situation sensibly...)
294 [ cnt => 'COUNT( me.cdid )' ],
295 [ year_plus_one => 'year + ?' => [ {} => 1 ] ],
297 my ($col, $sel_grp_sql, @sel_grp_bind) = @$_;
299 warnings_exist { is_same_sql_bind(
300 $rstypes->{'implicitly grouped'}->get_column($col)->as_query,
305 ON artist.artistid = me.artist
306 LEFT JOIN track tracks
307 ON tracks.cd = me.cdid
308 WHERE artist.name != ? AND tracks.trackid IS NOT NULL
309 GROUP BY $sel_grp_sql
310 ORDER BY MIN(me.year)
314 [ { dbic_colname => 'artist.name', sqlt_datatype => 'varchar', sqlt_size => 100 }
318 'Expected (though nonsensical) SQL generated on rscol-with-distinct-over-function',
320 \QUse of distinct => 1 while selecting anything other than a column \E
321 \Qdeclared on the primary ResultSource is deprecated (you selected '$col')\E
322 /x, 'deprecation warning';
326 local $TODO = 'multiplying join leaks through to the count aggregate... this may never actually work';
328 [ $rstypes->{'explicitly grouped'}->get_column ('cnt')->all ],
330 "Get aggregate over group works",