MySQL: allow encoding option for mysql.rb driver.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3293 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

 *SVN*
 
+* MySQL: allow encoding option for mysql.rb driver.  [Jeremy Kemper]
+
 * Added option inheritance for find calls on has_and_belongs_to_many and has_many assosociations [DHH]. Example:
 
     class Post

activerecord/lib/active_record/connection_adapters/mysql_adapter.rb

@@ -311,11 +311,7 @@ def rename_column(table_name, column_name, new_column_name) #:nodoc:
         def connect
           encoding = @config[:encoding]
           if encoding
-            begin
-              @connection.options(Mysql::SET_CHARSET_NAME, encoding)
-            rescue
-              raise ActiveRecord::ConnectionFailed, 'The :encoding option is only available for MySQL 4.1 and later with the mysql-ruby driver.  Again, this does not work with the ruby-mysql driver or MySQL < 4.1.'
-            end
+            @connection.options(Mysql::SET_CHARSET_NAME, encoding) rescue nil
           end
           @connection.real_connect(*@connection_options)
           execute("SET NAMES '#{encoding}'") if encoding