From c8072f2f4adb1ee46340d0e4c74ca2637e3da811 Mon Sep 17 00:00:00 2001
From: Adrian Madrid <aem@aemtower.(none)>
Date: Tue, 6 Jan 2009 17:14:45 -0700
Subject: [PATCH] Added safety check for queries with unknown parameters. The
 idea came when I used :order instead of :sort and it silently _failed_ to
 work as expected ;-)

---
 lib/mongo/collection.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/mongo/collection.rb b/lib/mongo/collection.rb
index ef97a07..a6e2c5a 100644
--- a/lib/mongo/collection.rb
+++ b/lib/mongo/collection.rb
@@ -43,7 +43,11 @@ module XGen
         def find(selector={}, options={})
           fields = options.delete(:fields)
           fields = nil if fields && fields.empty?
-          @db.query(@name, Query.new(selector, fields, options[:offset] || 0, options[:limit] || 0, options[:sort]))
+          offset = options.delete(:offset) || 0
+          limit = options.delete(:limit) || 0
+          sort = options.delete(:sort)
+          raise RuntimeError, "Unknown options [#{options.inspect}]" unless options.empty?
+          @db.query(@name, Query.new(selector, fields, offset, limit, sort))
         end
 
         # Insert +objects+, which are hashes.