From: Peter Rabbitson <ribasushi@cpan.org>
Date: Sat, 12 Dec 2009 23:07:00 +0000 (+0000)
Subject: Extra test to highlight search_related inefficiency
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=47c1042322712fc11bc709ff701e2292a39aedde;p=dbsrgits%2FDBIx-Class-Historic.git

Extra test to highlight search_related inefficiency
---

diff --git a/t/search/related_strip_prefetch.t b/t/search/related_strip_prefetch.t
new file mode 100644
index 0000000..3201a4d
--- /dev/null
+++ b/t/search/related_strip_prefetch.t
@@ -0,0 +1,34 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Exception;
+
+use lib qw(t/lib);
+use DBIC::SqlMakerTest;
+use DBICTest;
+
+my $schema = DBICTest->init_schema();
+
+my $rs = $schema->resultset('CD')->search (
+  { 'tracks.id' => { '!=', 666 }},
+  { join => 'artist', prefetch => 'tracks' }
+);
+
+my $rel_rs = $rs->search_related ('tags');
+
+is_same_sql_bind (
+  $rel_rs->as_query,
+  '(
+    SELECT tags.tagid, tags.cd, tags.tag 
+      FROM cd me
+      JOIN artist artist ON artist.artistid = me.artist
+      LEFT JOIN track tracks ON tracks.cd = me.cdid
+      LEFT JOIN tags tags ON tags.cd = me.cdid
+    WHERE ( tracks.id != ? )
+  )',
+  [ [ 'tracks.id' => 666 ] ],
+  'Prefetch spec successfully stripped on search_related'
+);
+
+done_testing;