added pending test for (difficult) problem of aliasing tables for adjacency lists

2 files changed, 15 insertions, 2 deletions

diff --git a/lib/active_relation/relations/alias.rb b/lib/active_relation/relations/alias.rb
index cf410c6462..4cb4913da5 100644
--- a/lib/active_relation/relations/alias.rb
+++ b/lib/active_relation/relations/alias.rb
@@ -1,7 +1,7 @@
 module ActiveRelation
   class Alias < Compound
     attr_reader :alias
-
+    
     def initialize(relation, aliaz)
       @relation, @alias = relation, aliaz
     end
@@ -9,7 +9,7 @@ module ActiveRelation
     def alias?
       true
     end
-
+    
     def ==(other)
       self.class == other.class and
       relation   == other.relation and
diff --git a/spec/active_relation/unit/relations/join_spec.rb b/spec/active_relation/unit/relations/join_spec.rb
index c25629536d..5d554cd9ab 100644
--- a/spec/active_relation/unit/relations/join_spec.rb
+++ b/spec/active_relation/unit/relations/join_spec.rb
@@ -144,6 +144,19 @@ module ActiveRelation
       end
     end
     
+    describe 'when joining aliased relations' do
+      it 'aliases the table and attributes properly' do
+        pending
+        aliased_relation = @relation1.as(:alias)
+        @relation1.join(aliased_relation).on(@relation1[:id].eq(aliased_relation[:id])).to_sql.should be_like("
+          SELECT `users`.`id`, `users`.`name`, `alias`.`id`, `alias`.`name`
+          FROM `users`
+            INNER JOIN `alias`
+              ON `users`.`id` = `alias`.`id`
+        ")
+      end
+    end
+    
     describe 'when joining with a string' do
       it "passes the string through to the where clause" do
         Join.new("INNER JOIN asdf ON fdsa", @relation1).to_sql.should be_like("