Now that Rails uses strong parameters, convert them to a Hash before using in query.

Author: gsrohde

app/controllers/api/base_controller.rb

@@ -47,7 +47,7 @@ def bad_url
   # clause "key = value" is replaced by "key::text ~ value*", where "value*" is
   # "value" with the tilde removed.
   def query(model, params)
-    where_params = params.slice(*model.column_names)
+    where_params = params.permit!.to_hash.slice(*model.column_names)
 
     limit = nil
     if params.has_key? "limit"