added test case for ensuring a column mentioned in the order by clause is also includ...

diff --git a/t/prefetch/grouped.t b/t/prefetch/grouped.t
index 7f97943..f6fabae 100644 (file)
--- a/t/prefetch/grouped.t
+++ b/t/prefetch/grouped.t
@@ -217,7 +217,7 @@ for ($cd_rs->all) {
     $rs->as_query,
     '(
       SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track,
-             tags.tagid, tags.cd, tags.tag 
+             tags.tagid, tags.cd, tags.tag
         FROM (
           SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track
             FROM cd me
@@ -329,4 +329,27 @@ for ($cd_rs->all) {
     );
 }
 
+{
+    my $rs = $schema->resultset('CD')->search({},
+        {
+           '+select' => [{ count => 'tags.tag' }],
+           '+as' => ['test_count'],
+           prefetch => ['tags'],
+           distinct => 1,
+           order_by => {'-asc' => 'tags.tag'},
+           rows => 1
+        }
+    );
+    is_same_sql_bind($rs->as_query, q{
+        SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track, me.test_count, tags.tagid, tags.cd, tags.tag
+        FROM (SELECT me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track, COUNT( tags.tag ) AS test_count
+                FROM cd me LEFT JOIN tags tags ON tags.cd = me.cdid
+            GROUP BY me.cdid, me.artist, me.title, me.year, me.genreid, me.single_track, tags.tag
+            ORDER BY tags.tag ASC LIMIT 1)
+            me
+        LEFT JOIN tags tags ON tags.cd = me.cdid
+        ORDER BY tags.tag ASC, tags.cd, tags.tag
+    }, []);
+}
+
 done_testing;