One more test

diff --git a/t/prefetch/grouped.t b/t/prefetch/grouped.t
index 501b250..7f97943 100644 (file)
--- a/t/prefetch/grouped.t
+++ b/t/prefetch/grouped.t
@@ -280,6 +280,25 @@ for ($cd_rs->all) {
     is($cd_rs->count, 5, 'complex prefetch + non-prefetching has_many join count correct');
     is($cd_rs->all, 5, 'complex prefetch + non-prefetching has_many join number of objects correct');
 
+    # make sure join tracks was thrown out
+    is_same_sql_bind (
+      $cd_rs->as_query,
+      '(
+        SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
+               artist.artistid, artist.name, artist.rank, artist.charfield
+          FROM (
+            SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
+              FROM cd me
+              JOIN artist artist ON artist.artistid = me.artist
+            GROUP BY me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
+          ) me
+          JOIN artist artist ON artist.artistid = me.artist
+      )',
+      [],
+    );
+
+
+
     # try the same as above, but add a condition so the tracks join can not be thrown away
     my $cd_rs2 = $cd_rs->search ({ 'tracks.title' => { '!=' => 'ugabuganoexist' } });
     is($cd_rs2->count, 5, 'complex prefetch + non-prefetching restricted has_many join count correct');