Merge 'trunk' into 'count_distinct'

[dbsrgits/DBIx-Class.git] / t / count / count_distinct.t

use strict;
use warnings;  

use Test::More;

use lib qw(t/lib);

use DBICTest;
use DBIC::SqlMakerTest;

my $schema = DBICTest->init_schema();

eval "use DBD::SQLite";
plan skip_all => 'needs DBD::SQLite for testing' if $@;
plan tests => 13;

my $in_rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Shiny' ] });
my $rs;

$rs = $schema->resultset('Tag')->search({ tag => 'Blue' });
is($rs->count, 4, 'Count without DISTINCT');

$rs = $schema->resultset('Tag')->search({ tag => [ 'Blue', 'Shiny' ] }, { group_by => 'tag' });
is($rs->count, 2, 'Count with single 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 = $schema->resultset('Tag')->search({ tag => 'Blue' }, { distinct => 1 });
is($rs->count, 4, 'Count with single column distinct');

$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } });
is($rs->count, 4, 'Count with IN subquery');

$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { group_by => 'tag' });
is($rs->count, 1, 'Count with IN subquery with outside group_by');

$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1 });
is($rs->count, 4, 'Count with IN subquery with outside distinct');

$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->get_column('tag')->as_query } }, { distinct => 1, select => 'tag' }), 
is($rs->count, 1, 'Count with IN subquery with outside distinct on a single column');

$rs = $schema->resultset('Tag')->search({ tag => { -in => $in_rs->search({}, { group_by => 'tag' })->get_column('tag')->as_query } });
is($rs->count, 4, 'Count with IN subquery with single 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, 4, 'Count with IN subquery with multiple group_by');

$rs = $schema->resultset('Tag')->search({ tag => \"= 'Blue'" });
is($rs->count, 4, 'Count without DISTINCT, using literal SQL');

$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Shiny')" }, { group_by => 'tag' });
is($rs->count, 2, 'Count with literal SQL and single group_by');

$rs = $schema->resultset('Tag')->search({ tag => \" IN ('Blue', 'Shiny')" }, { group_by => [ qw/tag cd/ ] });
is($rs->count, 6, 'Count with literal SQL and multiple group_by');