1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/type/value.rb b/activerecord/lib/active_record/connection_adapters/type/value.rb
index 577e464553..289c27f6d4 100644
--- a/activerecord/lib/active_record/connection_adapters/type/value.rb
+++ b/activerecord/lib/active_record/connection_adapters/type/value.rb
@@ -4,6 +4,10 @@ module ActiveRecord
       class Value # :nodoc:
         def type; end
 
+        def extract_scale(sql_type)
+          Type.extract_scale(sql_type)
+        end
+
         def type_cast(value)
           cast_value(value) unless value.nil?
         end