sanitize_sql_array

# File activerecord/lib/active_record/base.rb, line 1318
        def sanitize_sql_array(ary)
          statement, *values = ary
          if values.first.is_a?(Hash) and statement =~ /:\w+/
            replace_named_bind_variables(statement, values.first)
          elsif statement.include?('?')
            replace_bind_variables(statement, values)
          elsif statement.blank?
            statement
          else
            statement % values.collect { |value| connection.quote_string(value.to_s) }
          end
        end