1 files changed, 20 insertions, 0 deletions
diff --git a/lib/arel/nodes/join_source.rb b/lib/arel/nodes/join_source.rb
new file mode 100644
index 0000000000..7b739c19ad
--- /dev/null
+++ b/lib/arel/nodes/join_source.rb
@@ -0,0 +1,20 @@
+module Arel
+  module Nodes
+    ###
+    # Class that represents a join source
+    #
+    #   http://www.sqlite.org/syntaxdiagrams.html#join-source
+
+    class JoinSource < Arel::Nodes::Binary
+      def initialize single_source, joinop = []
+        super
+      end
+
+      def initialize_copy other
+        super
+        @left  = @left.clone if @left
+        @right = @right.clone if @right
+      end
+    end
+  end
+end