1use strict; 2use warnings; 3 4use Test::More; 5use Test::Exception; 6 7use lib qw(t/lib); 8 9use DBICTest; 10use DBIC::SqlMakerTest; 11 12my $schema = DBICTest->init_schema(); 13 14# The tag Blue is assigned to cds 1 2 3 and 5 15# The tag Cheesy is assigned to cds 2 4 and 5 16# 17# This combination should make some interesting group_by's 18# 19my $rs; 20my $in_rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }); 21 22for my $get_count ( 23 sub { shift->count }, 24 sub { my $crs = shift->count_rs; isa_ok ($crs, 'DBIx::Class::ResultSetColumn'); $crs->next } 25) { 26 $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }); 27 is($get_count->($rs), 4, 'Count without DISTINCT'); 28 29 $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'tag' }); 30 is($get_count->($rs), 2, 'Count with single column group_by'); 31 32 $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'cd' }); 33 is($get_count->($rs), 5, 'Count with another single column group_by'); 34 35 $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { group_by => [ qw/tag cd/ ]}); 36 is($get_count->($rs), 4, 'Count with multiple column group_by'); 37 38 $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 }); 39 is($get_count->($rs), 4, 'Count with single column distinct'); 40 41 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }); 42 is($get_count->($rs), 7, 'Count with IN subquery'); 43 44 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' }); 45 is($get_count->($rs), 2, 'Count with IN subquery with outside group_by'); 46 47 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 }); 48 is($get_count->($rs), 7, 'Count with IN subquery with outside distinct'); 49 50 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }), 51 is($get_count->($rs), 2, 'Count with IN subquery with outside distinct on a single column'); 52 53 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } }); 54 is($get_count->($rs), 7, 'Count with IN subquery with single group_by'); 55 56 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'cd' })->get_column('tag')->as_query } }); 57 is($get_count->($rs), 7, 'Count with IN subquery with another single group_by'); 58 59 $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => [ qw/tag cd/ ] })->get_column('tag')->as_query } }); 60 is($get_count->($rs), 7, 'Count with IN subquery with multiple group_by'); 61 62 $rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" }); 63 is($get_count->($rs), 4, 'Count without DISTINCT, using literal SQL'); 64 65 $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'tag' }); 66 is($get_count->($rs), 2, 'Count with literal SQL and single group_by'); 67 68 $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'cd' }); 69 is($get_count->($rs), 5, 'Count with literal SQL and another single group_by'); 70 71 $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => [ qw/tag cd/ ] }); 72 is($get_count->($rs), 7, 'Count with literal SQL and multiple group_by'); 73 74 $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { '+select' => { max => 'tagid' }, distinct => 1 }); 75 is($get_count->($rs), 4, 'Count with +select aggreggate'); 76 77 $rs = $schema->resultset('Tag')->search({}, { select => [\'length(me.tag)'], distinct => 1 }); 78 is($get_count->($rs), 3, 'Count by distinct function result as select literal'); 79} 80 81throws_ok( 82 sub { my $row = $schema->resultset('Tag')->search({}, { select => { distinct => [qw/tag cd/] } })->first }, 83 qr/select => { distinct => \.\.\. } syntax is not supported for multiple columns/, 84 'throw on unsupported syntax' 85); 86 87# make sure distinct+func works 88{ 89 my $rs = $schema->resultset('Artist')->search( 90 {}, 91 { 92 join => 'cds', 93 distinct => 1, 94 '+select' => [ { count => 'cds.cdid', -as => 'amount_of_cds' } ], 95 '+as' => [qw/num_cds/], 96 order_by => { -desc => 'amount_of_cds' }, 97 } 98 ); 99 100 is_same_sql_bind ( 101 $rs->as_query, 102 '( 103 SELECT me.artistid, me.name, me.rank, me.charfield, COUNT( cds.cdid ) AS amount_of_cds 104 FROM artist me LEFT JOIN cd cds ON cds.artist = me.artistid 105 GROUP BY me.artistid, me.name, me.rank, me.charfield 106 ORDER BY amount_of_cds DESC 107 )', 108 [], 109 ); 110 111 is ($rs->next->get_column ('num_cds'), 3, 'Function aliased correctly'); 112} 113 114# These two rely on the database to throw an exception. This might not be the case one day. Please revise. 115dies_ok(sub { my $count = $schema->resultset('Tag')->search({}, { '+select' => \'tagid AS tag_id', distinct => 1 })->count }, 'expecting to die'); 116 117done_testing; 118