# File lib/active_record/base.rb, line 678
      def table_exists?
        if connection.respond_to?(:tables)
          connection.tables.include? table_name
        else
          # if the connection adapter hasn't implemented tables, there are two crude tests that can be
          # used - see if getting column info raises an error, or if the number of columns returned is zero
          begin
            reset_column_information
            columns.size > 0
          rescue ActiveRecord::StatementInvalid
            false
          end          
        end
      end