Pass a type caster when aliasing tables for joins

1 files changed, 4 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb
index 3f714397d2..38b2d632d2 100644
--- a/activerecord/lib/active_record/core.rb
+++ b/activerecord/lib/active_record/core.rb
@@ -252,6 +252,10 @@ module ActiveRecord
         @predicate_builder ||= PredicateBuilder.new(table_metadata)
       end
 
+      def type_caster # :nodoc:
+        TypeCaster::Map.new(self)
+      end
+
       private
 
       def relation # :nodoc:
@@ -267,10 +271,6 @@ module ActiveRecord
       def table_metadata # :nodoc:
         TableMetadata.new(self, arel_table)
       end
-
-      def type_caster # :nodoc:
-        TypeCaster::Map.new(self)
-      end
     end
 
     # New objects can be instantiated as either empty (pass no construction parameter) or pre-set with