append_new_rec_to_index_array (KirbyBase::KBTable::KBIndex)

    # File lib/kirbybase.rb, line 3521
        def append_new_rec_to_index_array(rec)
            idx_rec = []
            @col_poss.zip(@col_types).each do |col_pos, col_type|
                idx_rec << convert_to_native_type(col_type, rec[col_pos])
             end

            return false if idx_rec.uniq == [kb_nil]

            idx_rec << rec.first.to_i
            @idx_arr << idx_rec
            return true
        end