1 files changed, 25 insertions, 0 deletions
diff --git a/lib/arel/engines/memory/relations/array.rb b/lib/arel/engines/memory/relations/array.rb
new file mode 100644
index 0000000000..5e7c0a4ab1
--- /dev/null
+++ b/lib/arel/engines/memory/relations/array.rb
@@ -0,0 +1,25 @@
+module Arel
+  class Array < Relation
+    attributes :array,  :attribute_names
+    include Recursion::BaseCase
+    deriving :==, :initialize
+
+    def engine
+      @engine ||= Memory::Engine.new
+    end
+
+    def attributes
+      @attributes ||= @attribute_names.collect do |name|
+        name.to_attribute(self)
+      end
+    end
+
+    def format(attribute, value)
+      value
+    end
+
+    def eval
+      @array.collect { |r| Row.new(self, r) }
+    end
+  end
+end