use strict;
-use warnings;
+use warnings;
use Test::More;
use Test::Exception;
my $schema = DBICTest->init_schema();
-eval "use DBD::SQLite";
-plan skip_all => 'needs DBD::SQLite for testing' if $@;
-plan tests => 22;
-
# The tag Blue is assigned to cds 1 2 3 and 5
# The tag Cheesy is assigned to cds 2 4 and 5
#
my $rs;
my $in_rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] });
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' });
-is($rs->count, 4, 'Count without DISTINCT');
+for my $get_count (
+ sub { shift->count },
+ sub { my $crs = shift->count_rs; isa_ok ($crs, 'DBIx::Class::ResultSetColumn'); $crs->next }
+) {
+ $rs = $schema->resultset('Tag')->search({ tag => 'Blue' });
+ is($get_count->($rs), 4, 'Count without DISTINCT');
+
+ $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'tag' });
+ is($get_count->($rs), 2, 'Count with single column group_by');
-$rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with single column group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'cd' });
+ is($get_count->($rs), 5, 'Count with another single column group_by');
-$rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Cheesy' ] }, { group_by => 'cd' });
-is($rs->count, 5, 'Count with another single column group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { group_by => [ qw/tag cd/ ]});
+ is($get_count->($rs), 4, 'Count with multiple column group_by');
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { group_by => [ qw/tag cd/ ]});
-is($rs->count, 4, 'Count with multiple column group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 });
+ is($get_count->($rs), 4, 'Count with single column distinct');
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 });
-is($rs->count, 4, 'Count with single column distinct');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } });
+ is($get_count->($rs), 7, 'Count with IN subquery');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' });
+ is($get_count->($rs), 2, 'Count with IN subquery with outside group_by');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with IN subquery with outside group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 });
+ is($get_count->($rs), 7, 'Count with IN subquery with outside distinct');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 });
-is($rs->count, 7, 'Count with IN subquery with outside distinct');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }),
+ is($get_count->($rs), 2, 'Count with IN subquery with outside distinct on a single column');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }),
-is($rs->count, 2, 'Count with IN subquery with outside distinct on a single column');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } });
+ is($get_count->($rs), 7, 'Count with IN subquery with single group_by');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with single group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'cd' })->get_column('tag')->as_query } });
+ is($get_count->($rs), 7, 'Count with IN subquery with another single group_by');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'cd' })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with another single group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => [ qw/tag cd/ ] })->get_column('tag')->as_query } });
+ is($get_count->($rs), 7, 'Count with IN subquery with multiple group_by');
-$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => [ qw/tag cd/ ] })->get_column('tag')->as_query } });
-is($rs->count, 7, 'Count with IN subquery with multiple group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" });
+ is($get_count->($rs), 4, 'Count without DISTINCT, using literal SQL');
-$rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" });
-is($rs->count, 4, 'Count without DISTINCT, using literal SQL');
+ $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'tag' });
+ is($get_count->($rs), 2, 'Count with literal SQL and single group_by');
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'tag' });
-is($rs->count, 2, 'Count with literal SQL and single group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'cd' });
+ is($get_count->($rs), 5, 'Count with literal SQL and another single group_by');
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => 'cd' });
-is($rs->count, 5, 'Count with literal SQL and another single group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => [ qw/tag cd/ ] });
+ is($get_count->($rs), 7, 'Count with literal SQL and multiple group_by');
-$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Cheesy')" }, { group_by => [ qw/tag cd/ ] });
-is($rs->count, 7, 'Count with literal SQL and multiple group_by');
+ $rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { '+select' => { max => 'tagid' }, distinct => 1 });
+ is($get_count->($rs), 4, 'Count with +select aggreggate');
-$rs = $schema->resultset('Tag')->search({ tag => 'Blue' }, { '+select' => { max => 'tagid' }, distinct => 1 });
-is($rs->count, 4, 'Count with +select aggreggate');
+ $rs = $schema->resultset('Tag')->search({}, { select => [\'length(me.tag)'], distinct => 1 });
+ is($get_count->($rs), 3, 'Count by distinct function result as select literal');
+}
-$rs = $schema->resultset('Tag')->search({}, { select => 'length(me.tag)', distinct => 1 });
-is($rs->count, 3, 'Count by distinct function result as select literal');
+throws_ok(
+ sub { my $row = $schema->resultset('Tag')->search({}, { select => { distinct => [qw/tag cd/] } })->first },
+ qr/\Qselect => { distinct => ... } syntax is not supported for multiple columns/,
+ 'throw on unsupported syntax'
+);
-my @warnings;
+# make sure distinct+func works
{
- local $SIG{__WARN__} = sub { push @warnings, shift };
- my $row = $schema->resultset('Tag')->search({}, { select => { distinct => 'tag' } })->first;
+ my $rs = $schema->resultset('Artist')->search(
+ {},
+ {
+ join => 'cds',
+ distinct => 1,
+ '+select' => [ { count => 'cds.cdid', -as => 'amount_of_cds' } ],
+ '+as' => [qw/num_cds/],
+ order_by => { -desc => 'amount_of_cds' },
+ }
+ );
+
+ is_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, COUNT( cds.cdid ) AS amount_of_cds
+ FROM artist me LEFT JOIN cd cds ON cds.artist = me.artistid
+ GROUP BY me.artistid, me.name, me.rank, me.charfield
+ ORDER BY amount_of_cds DESC
+ )',
+ [],
+ );
+
+ is ($rs->next->get_column ('num_cds'), 3, 'Function aliased correctly');
}
-is(@warnings, 1, 'expecteing warn');
+# and check distinct has_many join count
+{
+ my $rs = $schema->resultset('Artist')->search(
+ { 'cds.title' => { '!=', 'fooooo' } },
+ {
+ join => 'cds',
+ distinct => 1,
+ '+select' => [ { count => 'cds.cdid', -as => 'amount_of_cds' } ],
+ '+as' => [qw/num_cds/],
+ order_by => { -desc => 'amount_of_cds' },
+ }
+ );
+
+ is_same_sql_bind (
+ $rs->as_query,
+ '(
+ SELECT me.artistid, me.name, me.rank, me.charfield, COUNT( cds.cdid ) AS amount_of_cds
+ FROM artist me
+ LEFT JOIN cd cds
+ ON cds.artist = me.artistid
+ WHERE cds.title != ?
+ GROUP BY me.artistid, me.name, me.rank, me.charfield
+ ORDER BY amount_of_cds DESC
+ )',
+ [
+ [{
+ sqlt_datatype => 'varchar',
+ dbic_colname => 'cds.title',
+ sqlt_size => 100,
+ } => 'fooooo' ],
+ ],
+ );
+
+ is_same_sql_bind (
+ $rs->count_rs->as_query,
+ '(
+ SELECT COUNT( * )
+ FROM (
+ SELECT me.artistid, me.name, me.rank, me.charfield
+ FROM artist me
+ LEFT JOIN cd cds
+ ON cds.artist = me.artistid
+ WHERE cds.title != ?
+ GROUP BY me.artistid, me.name, me.rank, me.charfield
+ ) me
+ )',
+ [
+ [{
+ sqlt_datatype => 'varchar',
+ dbic_colname => 'cds.title',
+ sqlt_size => 100,
+ } => 'fooooo' ],
+ ],
+ );
+
+ is ($rs->next->get_column ('num_cds'), 3, 'Function aliased correctly');
+}
-dies_ok(sub { my $row = $schema->resultset('Tag')->search({}, { select => { distinct => [qw/tag cd/] } })->first }, 'expecting to die');
+# These two rely on the database to throw an exception. This might not be the case one day. Please revise.
dies_ok(sub { my $count = $schema->resultset('Tag')->search({}, { '+select' => \'tagid AS tag_id', distinct => 1 })->count }, 'expecting to die');
-dies_ok(sub { my $count = $schema->resultset('Tag')->search({}, { select => { length => 'tag' }, distinct => 1 })->count }, 'expecting to die');
+
+done_testing;