# File lib/active_record/vendor/db2.rb, line 332
    def get_col_desc
      rc, nr_cols = SQLNumResultCols(@handle)
      cols = (1..nr_cols).collect do |c|
        rc, name, bl, type, col_sz = SQLDescribeCol(@handle, c, 1024)
        [name.downcase, type, col_sz]
      end
    end