1 files changed, 13 insertions, 0 deletions
diff --git a/lib/arel/attributes/attribute.rb b/lib/arel/attributes/attribute.rb
new file mode 100644
index 0000000000..b83a32bee7
--- /dev/null
+++ b/lib/arel/attributes/attribute.rb
@@ -0,0 +1,13 @@
+module Arel
+  module Attributes
+    class Attribute < Struct.new :relation, :name, :column
+    end
+
+    class String < Attribute; end
+    class Time < Attribute; end
+    class Boolean < Attribute; end
+    class Decimal < Attribute; end
+    class Float < Attribute; end
+    class Integer < Attribute; end
+  end
+end