remove deprecated support for implicit

lib/mongo/cursor.rb

@@ -39,7 +39,7 @@ module Mongo
       @connection = @db.connection
       @logger     = @connection.logger
 
-      @selector   = convert_selector_for_query(options[:selector])
+      @selector   = options[:selector] || {}
       @fields     = convert_fields_for_query(options[:fields])
       @skip       = options[:skip]     || 0
       @limit      = options[:limit]    || 0
@@ -327,26 +327,6 @@ module Mongo
       end
     end
 
-    # Set the query selector hash. If the selector is a Code or String object,
-    # the selector will be used in a $where clause.
-    # See http://www.mongodb.org/display/DOCS/Server-side+Code+Execution
-    def convert_selector_for_query(selector)
-      case selector
-        when Hash
-         selector
-        when nil
-          {}
-        when BSON::Code
-          warn "Collection#find will no longer take a JavaScript string in future versions. " +
-            "Please specify your $where query explicitly."
-          {"$where" => selector}
-        when String
-          warn "Collection#find will no longer take a JavaScript string in future versions. " +
-            "Please specify your $where query explicitly."
-          {"$where" => BSON::Code.new(selector)}
-      end
-    end
-
     # Return the number of documents remaining for this cursor.
     def num_remaining
       refresh if @cache.length == 0

test/db_api_test.rb

@@ -454,16 +454,6 @@ class DBAPITest < Test::Unit::TestCase
     assert_equal 2, @@coll.find('$where' => BSON::Code.new('this.a > i', {'i' => 1})).count()
   end
 
-  def test_implicit_where
-    @@coll.remove
-    @@coll.insert('a' => 2)
-    @@coll.insert('a' => 3)
-
-    assert_equal 2, @@coll.count
-    assert_equal 1, @@coll.find('this.a > 2').count()
-    assert_equal 2, @@coll.find(BSON::Code.new('this.a > z', {'z' => 1})).to_a.length
-  end
-
   def test_eval
     assert_equal 3, @@db.eval('function (x) {return x;}', 3)