Force a binary encoding on values coming in and out of those columns for ruby 1.9. Fixes ticket #33.

Author: metaskills

CHANGELOG

@@ -1,6 +1,9 @@
 
 MASTER
 
+* Force a binary encoding on values coming in and out of those columns for ruby 1.9.
+  Fixes ticket #33 [Jeroen Zwartepoorte]
+
 * Using change_column will leave default if the type does not change or a new default
   is not included. Fixes issue #22. [Ransom Briggs]
 

lib/active_record/connection_adapters/sqlserver_adapter.rb

@@ -54,10 +54,12 @@ def string_to_utf8_encoding(value)
         end
 
         def string_to_binary(value)
+          value = value.dup.force_encoding(Encoding::BINARY) if value.respond_to?(:force_encoding)
          "0x#{value.unpack("H*")[0]}"
         end
 
         def binary_to_string(value)
+          value = value.dup.force_encoding(Encoding::BINARY) if value.respond_to?(:force_encoding)
           value =~ /[^[:xdigit:]]/ ? value : [value].pack('H*')
         end