4 files changed, 5 insertions, 3 deletions
diff --git a/lib/arel/nodes/does_not_match.rb b/lib/arel/nodes/does_not_match.rb
index b5693df711..33bdeab005 100644
--- a/lib/arel/nodes/does_not_match.rb
+++ b/lib/arel/nodes/does_not_match.rb
@@ -1,6 +1,6 @@
 module Arel
   module Nodes
-    class DoesNotMatch < Binary
+    class DoesNotMatch < Arel::Nodes::Binary
     end
   end
 end
diff --git a/lib/arel/nodes/matches.rb b/lib/arel/nodes/matches.rb
index 4b9fd34ad1..5ef8ac8302 100644
--- a/lib/arel/nodes/matches.rb
+++ b/lib/arel/nodes/matches.rb
@@ -1,6 +1,6 @@
 module Arel
   module Nodes
-    class Matches < Binary
+    class Matches < Arel::Nodes::Binary
     end
   end
 end
diff --git a/lib/arel/nodes/not_in.rb b/lib/arel/nodes/not_in.rb
index 6cb2c6f832..6c01921a46 100644
--- a/lib/arel/nodes/not_in.rb
+++ b/lib/arel/nodes/not_in.rb
@@ -1,6 +1,6 @@
 module Arel
   module Nodes
-    class NotIn < Binary
+    class NotIn < Arel::Nodes::Binary
     end
   end
 end
diff --git a/lib/arel/nodes/unqualified_column.rb b/lib/arel/nodes/unqualified_column.rb
index 31561fddd4..9882cb08e2 100644
--- a/lib/arel/nodes/unqualified_column.rb
+++ b/lib/arel/nodes/unqualified_column.rb
@@ -1,6 +1,8 @@
 module Arel
   module Nodes
     class UnqualifiedColumn
+      attr_accessor :attribute
+
       def initialize attribute
         @attribute = attribute
       end