From cae83ce964b9919b890bb7fa6f920a536e6b5425 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Thu, 21 Apr 2011 15:28:21 -0500
Subject: adding a DISTINCT node

---
 lib/arel/visitors/to_sql.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/arel/visitors')

diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index 061e46a436..6aba31d94d 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -125,6 +125,7 @@ key on UpdateManager using UpdateManager#key=
         [
           "SELECT",
           (visit(o.top) if o.top),
+          (visit(o.set_quantifier) if o.set_quantifier),
           "#{o.projections.map { |x| visit x }.join ', '}",
           visit(o.source),
           ("WHERE #{o.wheres.map { |x| visit x }.join ' AND ' }" unless o.wheres.empty?),
@@ -137,6 +138,10 @@ key on UpdateManager using UpdateManager#key=
         visit o.expr
       end
 
+      def visit_Arel_Nodes_Distinct o
+        'DISTINCT'
+      end
+
       def visit_Arel_Nodes_With o
         "WITH #{o.children.map { |x| visit x }.join(', ')}"
       end
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