# test distinct propagation
is_deeply (
- [$rs->search ({}, { distinct => 1 })->get_column ('year')->all],
- [$rs_year->func('distinct')],
+ [sort $rs->search ({}, { distinct => 1 })->get_column ('year')->all],
+ [sort $rs_year->func('distinct')],
'distinct => 1 is passed through properly',
);
# test +select/+as for single column
my $psrs = $schema->resultset('CD')->search({},
{
- '+select' => \'COUNT(*)',
- '+as' => 'count'
+ '+select' => \'MAX(year)',
+ '+as' => 'last_year'
}
);
-lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as additional column "count" present (scalar)');
+lives_ok(sub { $psrs->get_column('last_year')->next }, '+select/+as additional column "last_year" present (scalar)');
dies_ok(sub { $psrs->get_column('noSuchColumn')->next }, '+select/+as nonexistent column throws exception');
# test +select/+as for overriding a column
# test +select/+as for multiple columns
$psrs = $schema->resultset('CD')->search({},
{
- '+select' => [ \'COUNT(*)', 'title' ],
- '+as' => [ 'count', 'addedtitle' ]
+ '+select' => [ \'LENGTH(title) AS title_length', 'title' ],
+ '+as' => [ 'tlength', 'addedtitle' ]
}
);
-lives_ok(sub { $psrs->get_column('count')->next }, '+select/+as multiple additional columns, "count" column present');
+lives_ok(sub { $psrs->get_column('tlength')->next }, '+select/+as multiple additional columns, "tlength" column present');
lives_ok(sub { $psrs->get_column('addedtitle')->next }, '+select/+as multiple additional columns, "addedtitle" column present');
# test that +select/+as specs do not leak
);
is_same_sql_bind (
- $psrs->get_column('count')->as_query,
- '(SELECT COUNT(*) FROM cd me)',
+ $psrs->get_column('tlength')->as_query,
+ '(SELECT LENGTH(title) AS title_length FROM cd me)',
[],
'Correct SQL for get_column/+as func'
);
-
+# test that order_by over a function forces a subquery
+lives_ok ( sub {
+ is_deeply (
+ [ $psrs->search ({}, { order_by => { -desc => 'title_length' } })->get_column ('title')->all ],
+ [
+ "Generic Manufactured Singles",
+ "Come Be Depressed With Us",
+ "Caterwaulin' Blues",
+ "Spoonful of bees",
+ "Forkful of bees",
+ ],
+ 'Subquery count induced by aliased ordering function',
+ );
+});
+
+# test for prefetch not leaking
{
my $rs = $schema->resultset("CD")->search({}, { prefetch => 'artist' });
my $rsc = $rs->get_column('year');
'prefetch properly collapses amount of rows from get_column',
);
+$rs->reset;
+my $pob_rs = $rs->search({}, {
+ select => ['me.title', 'tracks.title'],
+ prefetch => 'tracks',
+ order_by => [{-asc => ['position']}],
+ group_by => ['me.title', 'tracks.title'],
+});
+is_same_sql_bind (
+ $pob_rs->get_column("me.title")->as_query,
+ '(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)',
+ [],
+ 'Correct SQL for prefetch/order_by/group_by'
+);
+
done_testing;