6 files changed, 27 insertions, 1 deletions
diff --git a/lib/arel/nodes.rb b/lib/arel/nodes.rb
index 6ce1ed7dba..a68e327983 100644
--- a/lib/arel/nodes.rb
+++ b/lib/arel/nodes.rb
@@ -45,8 +45,10 @@ require 'arel/nodes/named_function'
 require 'arel/nodes/window'
 
 # joins
+require 'arel/nodes/full_outer_join'
 require 'arel/nodes/inner_join'
 require 'arel/nodes/outer_join'
+require 'arel/nodes/right_outer_join'
 require 'arel/nodes/string_join'
 
 require 'arel/nodes/sql_literal'
diff --git a/lib/arel/nodes/full_outer_join.rb b/lib/arel/nodes/full_outer_join.rb
new file mode 100644
index 0000000000..708f161c9a
--- /dev/null
+++ b/lib/arel/nodes/full_outer_join.rb
@@ -0,0 +1,6 @@
+module Arel
+  module Nodes
+    class FullOuterJoin < Arel::Nodes::Join
+    end
+  end
+end
diff --git a/lib/arel/nodes/right_outer_join.rb b/lib/arel/nodes/right_outer_join.rb
new file mode 100644
index 0000000000..ea1ddb7d52
--- /dev/null
+++ b/lib/arel/nodes/right_outer_join.rb
@@ -0,0 +1,6 @@
+module Arel
+  module Nodes
+    class RightOuterJoin < Arel::Nodes::Join
+    end
+  end
+end
diff --git a/lib/arel/visitors/depth_first.rb b/lib/arel/visitors/depth_first.rb
index 1770ab21d5..7043e5d527 100644
--- a/lib/arel/visitors/depth_first.rb
+++ b/lib/arel/visitors/depth_first.rb
@@ -67,6 +67,7 @@ module Arel
       alias :visit_Arel_Nodes_DeleteStatement    :binary
       alias :visit_Arel_Nodes_DoesNotMatch       :binary
       alias :visit_Arel_Nodes_Equality           :binary
+      alias :visit_Arel_Nodes_FullOuterJoin      :binary
       alias :visit_Arel_Nodes_GreaterThan        :binary
       alias :visit_Arel_Nodes_GreaterThanOrEqual :binary
       alias :visit_Arel_Nodes_In                 :binary
@@ -80,6 +81,7 @@ module Arel
       alias :visit_Arel_Nodes_NotIn              :binary
       alias :visit_Arel_Nodes_Or                 :binary
       alias :visit_Arel_Nodes_OuterJoin          :binary
+      alias :visit_Arel_Nodes_RightOuterJoin     :binary
       alias :visit_Arel_Nodes_TableAlias         :binary
       alias :visit_Arel_Nodes_Values             :binary
 
diff --git a/lib/arel/visitors/dot.rb b/lib/arel/visitors/dot.rb
index b2fa6bfbd5..99f4c467d2 100644
--- a/lib/arel/visitors/dot.rb
+++ b/lib/arel/visitors/dot.rb
@@ -54,7 +54,9 @@ module Arel
         visit_edge o, "left"
         visit_edge o, "right"
       end
-      alias :visit_Arel_Nodes_OuterJoin :visit_Arel_Nodes_InnerJoin
+      alias :visit_Arel_Nodes_FullOuterJoin  :visit_Arel_Nodes_InnerJoin
+      alias :visit_Arel_Nodes_OuterJoin      :visit_Arel_Nodes_InnerJoin
+      alias :visit_Arel_Nodes_RightOuterJoin :visit_Arel_Nodes_InnerJoin
 
       def visit_Arel_Nodes_DeleteStatement o
         visit_edge o, "relation"
diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index 0c2e649995..84a88e1899 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -446,10 +446,18 @@ module Arel
         visit o.left
       end
 
+      def visit_Arel_Nodes_FullOuterJoin o
+        "FULL OUTER JOIN #{visit o.left} #{visit o.right}"
+      end
+
       def visit_Arel_Nodes_OuterJoin o
         "LEFT OUTER JOIN #{visit o.left} #{visit o.right}"
       end
 
+      def visit_Arel_Nodes_RightOuterJoin o
+        "RIGHT OUTER JOIN #{visit o.left} #{visit o.right}"
+      end
+
       def visit_Arel_Nodes_InnerJoin o
         s = "INNER JOIN #{visit o.left}"
         if o.right