Deprecate source_macro

`source_macro` is no longer used in any ActiveRecord code. I've
chosen to deprecate it because it was not marked as nodoc and may
be in use outside of rails source.

1 files changed, 7 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb
index 575e588f35..10a75530fd 100644
--- a/activerecord/lib/active_record/reflection.rb
+++ b/activerecord/lib/active_record/reflection.rb
@@ -152,7 +152,11 @@ module ActiveRecord
         JoinKeys.new(foreign_key, active_record_primary_key)
       end
 
-      def source_macro; macro; end
+      def source_macro
+        ActiveSupport::Deprecation.warn("ActiveRecord::Base.source_macro is deprecated and " \
+          "will be removed without replacement.")
+        macro
+      end
     end
     # Base class for AggregateReflection and AssociationReflection. Objects of
     # AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods.
@@ -738,6 +742,8 @@ Joining, Preloading and eager loading of these associations is deprecated and wi
 
       # The macro used by the source association
       def source_macro
+        ActiveSupport::Deprecation.warn("ActiveRecord::Base.source_macro is deprecated and " \
+          "will be removed without replacement.")
         source_reflection.source_macro
       end