4 files changed, 52 insertions, 0 deletions
diff --git a/lib/arel.rb b/lib/arel.rb
index c4e377b5bc..acb270728f 100644
--- a/lib/arel.rb
+++ b/lib/arel.rb
@@ -3,6 +3,7 @@ require 'arel/crud'
 require 'arel/version'
 require 'arel/table'
 require 'arel/attributes'
+require 'arel/compatibility/wheres'
 
 #### these are deprecated
 # The Arel::Relation constant is referenced in Rails
diff --git a/lib/arel/compatibility/wheres.rb b/lib/arel/compatibility/wheres.rb
new file mode 100644
index 0000000000..eeb7a2fa38
--- /dev/null
+++ b/lib/arel/compatibility/wheres.rb
@@ -0,0 +1,29 @@
+module Arel
+  module Compatibility # :nodoc:
+    class Wheres # :nodoc:
+      include Enumerable
+
+      module Value # :nodoc:
+        attr_accessor :visitor
+        def value
+          visitor.accept self
+        end
+      end
+
+      def initialize engine, collection
+        @engine     = engine
+        @collection = collection
+      end
+
+      def each
+        to_sql = Visitors::ToSql.new @engine
+
+        @collection.each { |c|
+          c.extend(Value)
+          c.visitor = to_sql
+          yield c
+        }
+      end
+    end
+  end
+end
diff --git a/lib/arel/select_manager.rb b/lib/arel/select_manager.rb
index 23d85e3386..f278465c51 100644
--- a/lib/arel/select_manager.rb
+++ b/lib/arel/select_manager.rb
@@ -23,6 +23,10 @@ module Arel
       self
     end
 
+    def wheres
+      Compatibility::Wheres.new @engine, @ctx.wheres
+    end
+
     def take limit
       @head.limit = limit
       self
diff --git a/spec/arel/activerecord_compat_spec.rb b/spec/arel/activerecord_compat_spec.rb
new file mode 100644
index 0000000000..a7eeb7e5ee
--- /dev/null
+++ b/spec/arel/activerecord_compat_spec.rb
@@ -0,0 +1,18 @@
+require 'spec_helper'
+
+module Arel
+  describe 'activerecord compatibility' do
+    describe 'select manager' do
+      it 'provides wheres' do
+        table   = Table.new :users
+        manager = Arel::SelectManager.new Table.engine
+        manager.where table[:id].eq 1
+        manager.where table[:name].eq 'Aaron'
+
+        check manager.wheres.map { |x|
+          x.value
+        }.join(', ').should == "\"users\".\"id\" = 1, \"users\".\"name\" = 'Aaron'"
+      end
+    end
+  end
+end