1 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index eb9d0e94df..2f4b2b9a3a 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -125,8 +125,13 @@ module ActiveRecord
         %("#{name}")
       end
 
+      # Include microseconds if the value is a Time responding to usec.
       def quoted_date(value)
-        value.strftime("%Y-%m-%d %H:%M:%S.#{sprintf("%06d", value.usec)}")
+        if value.acts_like?(:time) && value.respond_to?(:usec)
+          "#{super}.#{sprintf("%06d", value.usec)}"
+        else
+          super
+        end
       end