"david" made AR/Oracle happy again, thank you! http://dev.rubyonrails.org/changeset/4389 ------------------------------------------------------------------------ r4389 | david | 2006-05-31 17:23:08 -0700 (Wed, 31 May 2006) | 1 line Oracle and others wont take a string null for an answer ------------------------------------------------------------------------ U activesupport/lib/active_support/core_ext/array/conversions.rb Updated to revision 4389. Unit tests successful, 76 seconds.