X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fprefetch%2Fgrouped.t;h=19fa9234d6c31c407702129fe9987f3619142b79;hb=5a77aa8ba52c50bdc4291ca22433f9c315234ad2;hp=a0caecdfd4eb8f6dca5ed799c24773d5402d7008;hpb=a2287768f5c3dd665c469d7f9dfe99d369ff6781;p=dbsrgits%2FDBIx-Class-Historic.git

diff --git a/t/prefetch/grouped.t b/t/prefetch/grouped.t
index a0caecd..19fa923 100644
--- a/t/prefetch/grouped.t
+++ b/t/prefetch/grouped.t
@@ -28,7 +28,6 @@ for ($cd_rs->all) {
   my $track_rs = $schema->resultset ('Track')->search (
     { 'me.cd' => { -in => [ $cd_rs->get_column ('cdid')->all ] } },
     {
-      # the select/as is deliberately silly to test both funcs and refs below
       select => [
         'me.cd',
         { count => 'me.trackid' },
@@ -42,6 +41,9 @@ for ($cd_rs->all) {
     },
   );
 
+  # this used to fuck up ->all, do not remove!
+  ok ($track_rs->first, 'There is stuff in the rs');
+
   is($track_rs->count, 5, 'Prefetched count with groupby');
   is($track_rs->all, 5, 'Prefetched objects with groupby');
 
@@ -50,14 +52,13 @@ for ($cd_rs->all) {
     $schema->storage->debugcb ( sub { $query_cnt++ } );
     $schema->storage->debug (1);
 
-    $track_rs->reset;
     while (my $collapsed_track = $track_rs->next) {
       my $cdid = $collapsed_track->get_column('cd');
       is($collapsed_track->get_column('track_count'), 3, "Correct count of tracks for CD $cdid" );
       ok($collapsed_track->cd->title, "Prefetched title for CD $cdid" );
     }
 
-    is ($query_cnt, 0, 'No queries on prefetched titles');
+    is ($query_cnt, 1, 'Single query on prefetched titles');
     $schema->storage->debugcb (undef);
     $schema->storage->debug ($sdebug);
   }
@@ -65,8 +66,6 @@ for ($cd_rs->all) {
   # Test sql by hand, as the sqlite db will simply paper over
   # improper group/select combinations
   #
-  # the exploded IN needs fixing below, coming in another branch
-  #
   is_same_sql_bind (
     $track_rs->count_rs->as_query,
     '(
@@ -75,7 +74,7 @@ for ($cd_rs->all) {
           SELECT me.cd
             FROM track me
             JOIN cd cd ON cd.cdid = me.cd
-          WHERE ( me.cd IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) )
+          WHERE ( me.cd IN ( ?, ?, ?, ?, ? ) )
           GROUP BY me.cd
         )
       count_subq
@@ -92,16 +91,13 @@ for ($cd_rs->all) {
           SELECT me.cd, COUNT (me.trackid) AS track_count,
             FROM track me
             JOIN cd cd ON cd.cdid = me.cd
-          WHERE ( me.cd IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) )
+          WHERE ( me.cd IN ( ?, ?, ?, ?, ? ) )
           GROUP BY me.cd
           ) as me
         JOIN cd cd ON cd.cdid = me.cd
-      WHERE ( me.cd IN ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? ) )
+      WHERE ( me.cd IN ( ?, ?, ?, ?, ? ) )
     )',
-    [ map
-      { [ 'me.cd' => $_] }
-      ( $cd_rs->get_column ('cdid')->all, $cd_rs->get_column ('cdid')->all )
-    ],
+    [ map { [ 'me.cd' => $_] } ( ($cd_rs->get_column ('cdid')->all) x 2 ) ],
     'next() query generated expected SQL',
   );
 
@@ -132,14 +128,19 @@ for ($cd_rs->all) {
 # test a has_many/might_have prefetch at the same level
 # Note that one of the CDs now has 4 tracks instead of 3
 {
-  my $most_tracks_rs = $cd_rs->search ({}, {
-    prefetch => 'liner_notes',  # tracks are alredy prefetched
-    select => ['me.cdid', { count => 'tracks.trackid' } ],
-    as => [qw/cdid track_count/],
-    group_by => 'me.cdid',
-    order_by => { -desc => 'track_count' },
-    rows => 2,
-  });
+  my $most_tracks_rs = $schema->resultset ('CD')->search (
+    {
+      'me.cdid' => { '!=' => undef },  # duh - this is just to test WHERE
+    },
+    {
+      prefetch => [qw/tracks liner_notes/],
+      select => ['me.cdid', { count => 'tracks.trackid' } ],
+      as => [qw/cdid track_count/],
+      group_by => 'me.cdid',
+      order_by => { -desc => 'track_count' },
+      rows => 2,
+    }
+  );
 
   is_same_sql_bind (
     $most_tracks_rs->count_rs->as_query,
@@ -150,7 +151,7 @@ for ($cd_rs->all) {
             FROM cd me
             LEFT JOIN track tracks ON tracks.cd = me.cdid
             LEFT JOIN liner_notes liner_notes ON liner_notes.liner_id = me.cdid
-          WHERE ( tracks.cd IS NOT NULL )
+          WHERE ( me.cdid IS NOT NULL )
           GROUP BY me.cdid
           LIMIT 2
         ) count_subq
@@ -167,14 +168,14 @@ for ($cd_rs->all) {
           SELECT me.cdid, COUNT( tracks.trackid ) AS track_count
             FROM cd me
             LEFT JOIN track tracks ON tracks.cd = me.cdid
-          WHERE ( tracks.cd IS NOT NULL )
+          WHERE ( me.cdid IS NOT NULL )
           GROUP BY me.cdid
           ORDER BY track_count DESC
           LIMIT 2
         ) me
         LEFT JOIN track tracks ON tracks.cd = me.cdid
         LEFT JOIN liner_notes liner_notes ON liner_notes.liner_id = me.cdid
-      WHERE ( tracks.cd IS NOT NULL )
+      WHERE ( me.cdid IS NOT NULL )
       ORDER BY track_count DESC, tracks.cd
     )',
     [],
@@ -183,7 +184,7 @@ for ($cd_rs->all) {
 
   is ($most_tracks_rs->count, 2, 'Limit works');
   my $top_cd = $most_tracks_rs->first;
-  is ($top_cd->id, 2, 'Correct cd fetched on top'); # 2 because of the slice(1,1) above
+  is ($top_cd->id, 2, 'Correct cd fetched on top'); # 2 because of the slice(1,1) earlier
 
   my $query_cnt = 0;
   $schema->storage->debugcb ( sub { $query_cnt++ } );