1 files changed, 19 insertions, 0 deletions
diff --git a/lib/arel/relations/alias.rb b/lib/arel/relations/alias.rb
new file mode 100644
index 0000000000..2dab52515f
--- /dev/null
+++ b/lib/arel/relations/alias.rb
@@ -0,0 +1,19 @@
+module Arel
+  class Alias < Compound
+    attr_reader :alias
+    
+    def initialize(relation, aliaz)
+      @relation, @alias = relation, aliaz
+    end
+    
+    def alias?
+      true
+    end
+    
+    def ==(other)
+      self.class == other.class and
+      relation   == other.relation and
+      @alias     == other.alias
+    end
+  end
+end
+\ No newline at end of file