8 use DBIC::SqlMakerTest;
10 my $schema = DBICTest->init_schema();
12 # make sure order + distinct do not double-inject group criteria
13 my $rs = $schema->resultset ('CD')->search ({}, {
18 # title + cdid == unique constraint
19 my $unique_rs = $rs->search ({}, {
24 $rs->search({}, { order_by => 'title' })->as_query,
32 'Correct GROUP BY on selection+order_by on same column',
36 $rs->search({}, { order_by => 'year' })->as_query,
44 'Correct GROUP BY on non-unique selection and order by a different column',
48 $unique_rs->search({}, { order_by => 'year' })->as_query,
50 SELECT me.title, me.cdid
52 GROUP BY me.title, me.cdid, me.year
56 'Correct GROUP BY on unique selection and order by a different column',
60 $rs->search({}, { order_by => 'artist.name', join => 'artist' })->as_query,
65 ON artist.artistid = me.artist
67 ORDER BY MIN(artist.name)
70 'Correct GROUP BY on non-unique selection and external single order_by',
74 $unique_rs->search({}, { order_by => 'artist.name', join => 'artist' })->as_query,
76 SELECT me.title, me.cdid
79 ON artist.artistid = me.artist
80 GROUP BY me.title, me.cdid, artist.name
84 'Correct GROUP BY on unique selection and external single order_by',
88 $rs->search({}, { order_by => 'tracks.title', join => 'tracks' })->as_query,
92 LEFT JOIN track tracks
93 ON tracks.cd = me.cdid
95 ORDER BY MIN(tracks.title)
98 'Correct GROUP BY on non-unique selection and external multi order_by',
102 $unique_rs->search({}, { order_by => 'tracks.title', join => 'tracks' })->as_query,
104 SELECT me.title, me.cdid
106 LEFT JOIN track tracks
107 ON tracks.cd = me.cdid
108 GROUP BY me.title, me.cdid
109 ORDER BY MIN(tracks.title)
112 'Correct GROUP BY on unique selection and external multi order_by',