From: Norbert Buchmuller <norbi@nix.hu>
Date: Fri, 24 Jul 2009 06:06:19 +0000 (+0200)
Subject: Failing test for prefetch bug: M -> 1 -> M with prefetch on 3rd rs, with order_by... 
X-Git-Tag: v0.08109~48^2~1^2
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=23b67299bf3b2c3979f5193475088e780909109a;p=dbsrgits%2FDBIx-Class.git

Failing test for prefetch bug: M -> 1 -> M with prefetch on 3rd rs, with order_by on 1st rs and limit generates invalid SQL.
---

diff --git a/t/prefetch/related_resultset_order_by_plus_limit.t b/t/prefetch/related_resultset_order_by_plus_limit.t
new file mode 100644
index 0000000..e0a7a74
--- /dev/null
+++ b/t/prefetch/related_resultset_order_by_plus_limit.t
@@ -0,0 +1,41 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Exception;
+use lib qw(t/lib);
+use DBICTest;
+
+plan tests => 3;
+
+my $schema = DBICTest->init_schema();
+
+
+my $no_prefetch = $schema->resultset('Track')->search_related(cd =>
+  {
+    'cd.year' => "2000",
+  },
+  {
+    join => 'tags',
+    order_by => 'me.trackid',
+    rows => 1,
+  }
+);
+
+my $use_prefetch = $no_prefetch->search(
+  {},
+  {
+    prefetch => 'tags',
+  }
+);
+
+lives_ok {
+  $use_prefetch->all;
+} "M -> 1 -> M with order_by using first rs and limit generates valid SQL";
+
+is($no_prefetch->count, $use_prefetch->count, '$no_prefetch->count == $use_prefetch->count');
+is(
+  scalar ($no_prefetch->all),
+  scalar ($use_prefetch->all),
+  "Amount of returned rows is right"
+);