Fix quote_bound_value to not map Strings #1416 [htonl]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1445 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/base.rb

@@ -895,11 +895,10 @@ module ActiveRecord #:nodoc:
         end
 
         def quote_bound_value(value)
-          case value
-            when Enumerable
-              value.map { |v| connection.quote(v) }.join(',')
-            else
-              connection.quote(value)
+          if (value.respond_to?(:map) && !value.is_a?(String))
+            value.map { |v| connection.quote(v) }.join(',')
+          else
+            connection.quote(value)
           end
         end
 

activerecord/test/finder_test.rb

@@ -171,6 +171,10 @@ class FinderTest < Test::Unit::TestCase
     assert_equal %('a','b','c'), bind(':a', :a => Set.new(%w(a b c))) # '
   end
 
+  def test_bind_string
+    assert_equal "''", bind('?', '')
+  end
+
   def test_string_sanitation
     assert_not_equal "'something ' 1=1'", ActiveRecord::Base.sanitize("something ' 1=1")
     assert_equal "'something; select table'", ActiveRecord::Base.sanitize("something; select table")