From 0352d28a56de36946e691a0df390cfdfa7b1de7c Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Sun, 17 May 2009 16:31:16 -0400
Subject: Moving a few stray SQL references in the memory engine code

---
 lib/arel/engines/sql/predicates.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'lib/arel/engines/sql')

diff --git a/lib/arel/engines/sql/predicates.rb b/lib/arel/engines/sql/predicates.rb
index 7e195c2605..b84c183c1d 100644
--- a/lib/arel/engines/sql/predicates.rb
+++ b/lib/arel/engines/sql/predicates.rb
@@ -5,6 +5,20 @@ module Arel
     end
   end
 
+  class CompoundPredicate < Binary
+    def to_sql(formatter = nil)
+      "(#{operand1.to_sql(formatter)} #{predicate_sql} #{operand2.to_sql(formatter)})"
+    end
+  end
+
+  class Or < CompoundPredicate
+    def predicate_sql; "OR" end
+  end
+
+  class And < CompoundPredicate
+    def predicate_sql; "AND" end
+  end
+
   class Equality < Binary
     def predicate_sql
       operand2.equality_predicate_sql
-- 
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