Initial full test pass - all fetches are eager for now

[dbsrgits/DBIx-Class.git] / t / 88result_set_column.t

diff --git a/t/88result_set_column.t b/t/88result_set_column.t
index f3d31d4..69eb911 100644 (file)
--- a/t/88result_set_column.t
+++ b/t/88result_set_column.t
@@ -47,19 +47,19 @@ warnings_exist (sub {
 
 # 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
@@ -75,11 +75,11 @@ is($psrs->get_column('title')->next, 'The Final Countdown', '+select/+as overrid
 # 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
@@ -98,13 +98,28 @@ is_same_sql_bind (
 );
 
 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');
@@ -138,4 +153,18 @@ is_deeply (
   '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;