From cbd477ee83d04102fe15ff81717fa97c77f4f419 Mon Sep 17 00:00:00 2001
From: Brett Bieber <brett.bieber@gmail.com>
Date: Fri, 7 Sep 2012 09:24:40 -0500
Subject: [PATCH] Exclude extra unnecessary duplicate rows so the search is
 much faster

---
 src/UNL/Catalog/CourseSearch/DBSearcher.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/UNL/Catalog/CourseSearch/DBSearcher.php b/src/UNL/Catalog/CourseSearch/DBSearcher.php
index cffd42f..1650ad1 100644
--- a/src/UNL/Catalog/CourseSearch/DBSearcher.php
+++ b/src/UNL/Catalog/CourseSearch/DBSearcher.php
@@ -4,7 +4,7 @@ class UNL_Catalog_CourseSearch_DBSearcher extends UNL_UndergraduateBulletin_Cour
 
     function getQueryResult($query, $offset = 0, $limit = -1)
     {
-        $query =  'SELECT DISTINCT courses.id, courses.xml FROM courses INNER JOIN crosslistings c1 ON courses.id=c1.course_id INNER JOIN crosslistings ON courses.id=crosslistings.course_id WHERE c1.courseNumber >= "500" AND (' . $query . ');';
+        $query =  'SELECT DISTINCT courses.id, courses.xml FROM courses INNER JOIN crosslistings c1 ON courses.id=c1.course_id INNER JOIN crosslistings ON courses.id=crosslistings.course_id WHERE c1.courseNumber >= "500" AND c1.courseNumber != crosslistings.courseNumber AND (' . $query . ');';
         return new UNL_UndergraduateBulletin_CourseSearch_DBSearchResults($query, $offset, $limit);
     }
 }
\ No newline at end of file
-- 
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