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c0329273 |
1 | BEGIN { do "./t/lib/ANFANG.pm" or die ( $@ || $! ) } |
2 | |
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3 | use strict; |
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4 | use warnings; |
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5 | |
6 | use Test::More; |
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7 | use Test::Warn; |
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8 | use Test::Exception; |
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9 | |
10 | # MASSIVE FIXME - there is a hole in ::RSC / as_subselect_rs |
11 | # losing the order. Needs a rework/extract of the realiaser, |
12 | # and that's a whole another bag of dicks |
13 | BEGIN { $ENV{DBIC_SHUFFLE_UNORDERED_RESULTSETS} = 0 } |
14 | |
c0329273 |
15 | |
a5a7bb73 |
16 | use DBICTest ':DiffSQL'; |
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17 | |
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18 | my $schema = DBICTest->init_schema(); |
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19 | |
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20 | my $rs = $schema->resultset("CD"); |
21 | |
22 | cmp_ok ( |
23 | $rs->count, |
fb88ca2c |
24 | '>', |
ee12e25a |
25 | $rs->search ({}, {columns => ['year'], distinct => 1})->count, |
26 | 'At least one year is the same in rs' |
27 | ); |
2bb7b40b |
28 | |
29 | my $rs_title = $rs->get_column('title'); |
30 | my $rs_year = $rs->get_column('year'); |
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31 | my $max_year = $rs->get_column(\'MAX (year)'); |
2bb7b40b |
32 | |
fb88ca2c |
33 | my @all_titles = $rs_title->all; |
34 | cmp_ok(scalar @all_titles, '==', 5, "five titles returned"); |
35 | |
36 | my @nexted_titles; |
37 | while (my $r = $rs_title->next) { |
38 | push @nexted_titles, $r; |
39 | } |
40 | |
41 | is_deeply (\@all_titles, \@nexted_titles, 'next works'); |
42 | |
5d62876f |
43 | is_deeply( [ sort $rs_year->func('DISTINCT') ], [ 1997, 1998, 1999, 2001 ], "wantarray context okay"); |
20ea4813 |
44 | ok ($max_year->next == $rs_year->max, q/get_column (\'FUNC') ok/); |
5d62876f |
45 | |
2bb7b40b |
46 | cmp_ok($rs_year->max, '==', 2001, "max okay for year"); |
47 | is($rs_title->min, 'Caterwaulin\' Blues', "min okay for title"); |
48 | |
49 | cmp_ok($rs_year->sum, '==', 9996, "three artists returned"); |
50 | |
b74b15b0 |
51 | { |
52 | my $rso_year = $rs->search({}, { order_by => 'cdid' })->get_column('year'); |
53 | is($rso_year->next, 1999, "reset okay"); |
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54 | |
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55 | is($rso_year->first, 1999, "first okay"); |
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56 | |
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57 | warnings_exist (sub { |
58 | is($rso_year->single, 1999, "single okay"); |
59 | }, qr/Query returned more than one row/, 'single warned'); |
60 | } |
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61 | |
ee12e25a |
62 | |
63 | # test distinct propagation |
64 | is_deeply ( |
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65 | [sort $rs->search ({}, { distinct => 1 })->get_column ('year')->all], |
66 | [sort $rs_year->func('distinct')], |
ee12e25a |
67 | 'distinct => 1 is passed through properly', |
68 | ); |
69 | |
eb58c082 |
70 | # test illogical distinct |
71 | my $dist_rs = $rs->search ({}, { |
72 | columns => ['year'], |
73 | distinct => 1, |
74 | order_by => { -desc => [qw( cdid year )] }, |
75 | }); |
76 | |
77 | is_same_sql_bind( |
78 | $dist_rs->as_query, |
79 | '( |
80 | SELECT me.year |
81 | FROM cd me |
82 | GROUP BY me.year |
83 | ORDER BY MAX(cdid) DESC, year DESC |
84 | )', |
85 | [], |
86 | 'Correct SQL on external-ordered distinct', |
87 | ); |
88 | |
89 | is_same_sql_bind( |
90 | $dist_rs->count_rs->as_query, |
91 | '( |
92 | SELECT COUNT( * ) |
93 | FROM ( |
94 | SELECT me.year |
95 | FROM cd me |
96 | GROUP BY me.year |
97 | ) me |
98 | )', |
99 | [], |
100 | 'Correct SQL on count of external-orderdd distinct', |
101 | ); |
102 | |
103 | is ( |
104 | $dist_rs->count_rs->next, |
105 | 4, |
106 | 'Correct rs-count', |
107 | ); |
108 | |
109 | is ( |
110 | $dist_rs->count, |
111 | 4, |
112 | 'Correct direct count', |
113 | ); |
114 | |
5d1fc7dc |
115 | # test +select/+as for single column |
ae515736 |
116 | my $psrs = $schema->resultset('CD')->search({}, |
117 | { |
472d7df3 |
118 | '+select' => \'MAX(year)', |
119 | '+as' => 'last_year' |
ae515736 |
120 | } |
121 | ); |
472d7df3 |
122 | lives_ok(sub { $psrs->get_column('last_year')->next }, '+select/+as additional column "last_year" present (scalar)'); |
5d1fc7dc |
123 | dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception'); |
ae515736 |
124 | |
66e33361 |
125 | # test +select/+as for overriding a column |
126 | $psrs = $schema->resultset('CD')->search({}, |
127 | { |
128 | 'select' => \"'The Final Countdown'", |
129 | 'as' => 'title' |
130 | } |
131 | ); |
132 | is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overridden column "title"'); |
133 | |
134 | |
5d1fc7dc |
135 | # test +select/+as for multiple columns |
ae515736 |
136 | $psrs = $schema->resultset('CD')->search({}, |
137 | { |
472d7df3 |
138 | '+select' => [ \'LENGTH(title) AS title_length', 'title' ], |
139 | '+as' => [ 'tlength', 'addedtitle' ] |
ae515736 |
140 | } |
141 | ); |
472d7df3 |
142 | lives_ok(sub { $psrs->get_column('tlength')->next }, '+select/+as multiple additional columns, "tlength" column present'); |
5d1fc7dc |
143 | lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present'); |
144 | |
66e33361 |
145 | # test that +select/+as specs do not leak |
146 | is_same_sql_bind ( |
147 | $psrs->get_column('year')->as_query, |
148 | '(SELECT me.year FROM cd me)', |
149 | [], |
150 | 'Correct SQL for get_column/as' |
5d1fc7dc |
151 | ); |
66e33361 |
152 | |
153 | is_same_sql_bind ( |
154 | $psrs->get_column('addedtitle')->as_query, |
155 | '(SELECT me.title FROM cd me)', |
156 | [], |
157 | 'Correct SQL for get_column/+as col' |
158 | ); |
159 | |
160 | is_same_sql_bind ( |
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161 | $psrs->get_column('tlength')->as_query, |
162 | '(SELECT LENGTH(title) AS title_length FROM cd me)', |
66e33361 |
163 | [], |
164 | 'Correct SQL for get_column/+as func' |
165 | ); |
166 | |
472d7df3 |
167 | # test that order_by over a function forces a subquery |
168 | lives_ok ( sub { |
169 | is_deeply ( |
170 | [ $psrs->search ({}, { order_by => { -desc => 'title_length' } })->get_column ('title')->all ], |
171 | [ |
172 | "Generic Manufactured Singles", |
173 | "Come Be Depressed With Us", |
174 | "Caterwaulin' Blues", |
175 | "Spoonful of bees", |
176 | "Forkful of bees", |
177 | ], |
178 | 'Subquery count induced by aliased ordering function', |
179 | ); |
180 | }); |
181 | |
182 | # test for prefetch not leaking |
3f6cc7e4 |
183 | { |
184 | my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' }); |
185 | my $rsc = $rs->get_column('year'); |
186 | is( $rsc->{_parent_resultset}->{attrs}->{prefetch}, undef, 'prefetch wiped' ); |
187 | } |
cda5e082 |
188 | |
189 | # test sum() |
190 | is ($schema->resultset('BooksInLibrary')->get_column ('price')->sum, 125, 'Sum of a resultset works correctly'); |
191 | |
192 | # test sum over search_related |
193 | my $owner = $schema->resultset('Owners')->find ({ name => 'Newton' }); |
194 | ok ($owner->books->count > 1, 'Owner Newton has multiple books'); |
195 | is ($owner->search_related ('books')->get_column ('price')->sum, 60, 'Correctly calculated price of all owned books'); |
d8dbe471 |
196 | |
197 | |
198 | # make sure joined/prefetched get_column of a PK dtrt |
d8dbe471 |
199 | $rs->reset; |
200 | my $j_rs = $rs->search ({}, { join => 'tracks' })->get_column ('cdid'); |
201 | is_deeply ( |
44976045 |
202 | [ sort $j_rs->all ], |
203 | [ sort map { my $c = $rs->next; ( ($c->id) x $c->tracks->count ) } (1 .. $rs->count) ], |
d8dbe471 |
204 | 'join properly explodes amount of rows from get_column', |
205 | ); |
206 | |
207 | $rs->reset; |
208 | my $p_rs = $rs->search ({}, { prefetch => 'tracks' })->get_column ('cdid'); |
209 | is_deeply ( |
fb88ca2c |
210 | [ sort $p_rs->all ], |
211 | [ sort $rs->get_column ('cdid')->all ], |
d8dbe471 |
212 | 'prefetch properly collapses amount of rows from get_column', |
213 | ); |
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214 | |
908aa1bb |
215 | $rs->reset; |
216 | my $pob_rs = $rs->search({}, { |
217 | select => ['me.title', 'tracks.title'], |
218 | prefetch => 'tracks', |
219 | order_by => [{-asc => ['position']}], |
220 | group_by => ['me.title', 'tracks.title'], |
221 | }); |
222 | is_same_sql_bind ( |
223 | $pob_rs->get_column("me.title")->as_query, |
224 | '(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)', |
225 | [], |
226 | 'Correct SQL for prefetch/order_by/group_by' |
227 | ); |
228 | |
aca094b4 |
229 | # test aggregate on a function (create an extra track on one cd) |
3214abc7 |
230 | { |
231 | my $tr_rs = $schema->resultset("Track"); |
232 | $tr_rs->create({ cd => 2, title => 'dealbreaker' }); |
233 | |
234 | is( |
235 | $tr_rs->get_column('cd')->max, |
236 | 5, |
237 | "Correct: Max cd in Track is 5" |
238 | ); |
239 | |
240 | my $track_counts_per_cd_via_group_by = $tr_rs->search({}, { |
241 | columns => [ 'cd', { cnt => { count => 'trackid', -as => 'cnt' } } ], |
242 | group_by => 'cd', |
243 | })->get_column('cnt'); |
244 | |
245 | is ($track_counts_per_cd_via_group_by->max, 4, 'Correct max tracks per cd'); |
246 | is ($track_counts_per_cd_via_group_by->min, 3, 'Correct min tracks per cd'); |
247 | is ( |
248 | sprintf('%0.1f', $track_counts_per_cd_via_group_by->func('avg') ), |
249 | '3.2', |
250 | 'Correct avg tracks per cd' |
251 | ); |
252 | } |
253 | |
aca094b4 |
254 | # test exotic scenarious (create a track-less cd) |
255 | # "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 | { |
257 | |
258 | $schema->resultset('CD')->create({ artist => 1, title => 'dealbroker no tracks', year => 2001 }); |
259 | |
885c3dbd |
260 | my $yp1 = \[ 'year + ?', 1 ]; |
261 | |
aca094b4 |
262 | my $rs = $schema->resultset ('CD')->search ( |
263 | { 'artist.name' => { '!=', 'evancarrol' }, 'tracks.trackid' => { '!=', undef } }, |
264 | { |
265 | order_by => 'me.year', |
266 | join => [qw(artist tracks)], |
885c3dbd |
267 | columns => [ |
268 | 'year', |
269 | { cnt => { count => 'me.cdid' } }, |
270 | { year_plus_one => $yp1 }, |
271 | ], |
aca094b4 |
272 | }, |
273 | ); |
274 | |
275 | my $rstypes = { |
885c3dbd |
276 | 'explicitly grouped' => $rs->search_rs({}, { group_by => [ 'year', $yp1 ] } ), |
aca094b4 |
277 | 'implicitly grouped' => $rs->search_rs({}, { distinct => 1 }), |
278 | }; |
279 | |
280 | for my $type (keys %$rstypes) { |
281 | is ($rstypes->{$type}->count, 4, "correct cd count with $type column"); |
282 | |
283 | is_deeply ( |
284 | [ $rstypes->{$type}->get_column ('year')->all ], |
285 | [qw(1997 1998 1999 2001)], |
286 | "Getting $type column works", |
287 | ); |
288 | } |
289 | |
290 | # Why do we test this - we want to make sure that the selector *will* actually make |
291 | # it to the group_by as per the distinct => 1 contract. Before 0.08251 this situation |
292 | # would silently drop the group_by entirely, likely ending up with nonsensival results |
293 | # With the current behavior the user will at least get a nice fat exception from the |
294 | # RDBMS (or maybe the RDBMS will even decide to handle the situation sensibly...) |
885c3dbd |
295 | for ( |
296 | [ cnt => 'COUNT( me.cdid )' ], |
297 | [ year_plus_one => 'year + ?' => [ {} => 1 ] ], |
298 | ) { |
299 | my ($col, $sel_grp_sql, @sel_grp_bind) = @$_; |
300 | |
301 | warnings_exist { is_same_sql_bind( |
302 | $rstypes->{'implicitly grouped'}->get_column($col)->as_query, |
303 | "( |
304 | SELECT $sel_grp_sql |
305 | FROM cd me |
306 | JOIN artist artist |
307 | ON artist.artistid = me.artist |
308 | LEFT JOIN track tracks |
309 | ON tracks.cd = me.cdid |
310 | WHERE artist.name != ? AND tracks.trackid IS NOT NULL |
311 | GROUP BY $sel_grp_sql |
312 | ORDER BY MIN(me.year) |
313 | )", |
314 | [ |
315 | @sel_grp_bind, |
316 | [ { dbic_colname => 'artist.name', sqlt_datatype => 'varchar', sqlt_size => 100 } |
317 | => 'evancarrol' ], |
318 | @sel_grp_bind, |
319 | ], |
320 | 'Expected (though nonsensical) SQL generated on rscol-with-distinct-over-function', |
321 | ) } qr/ |
322 | \QUse of distinct => 1 while selecting anything other than a column \E |
323 | \Qdeclared on the primary ResultSource is deprecated (you selected '$col')\E |
324 | /x, 'deprecation warning'; |
325 | } |
aca094b4 |
326 | |
327 | { |
328 | local $TODO = 'multiplying join leaks through to the count aggregate... this may never actually work'; |
329 | is_deeply ( |
330 | [ $rstypes->{'explicitly grouped'}->get_column ('cnt')->all ], |
331 | [qw(1 1 1 2)], |
332 | "Get aggregate over group works", |
333 | ); |
334 | } |
335 | } |
336 | |
b7c79955 |
337 | done_testing; |