lib/upsert/connection.rb in upsert-1.1.7 vs lib/upsert/connection.rb in upsert-1.2.0

@@ -24,9 +24,11 @@
       case v
       when Time, DateTime
         Upsert.utc_iso8601 v
       when Date
         v.strftime ISO8601_DATE
+      when Symbol
+        v.to_s
       else
         v
       end
     end