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            and $rec =~ $self->{parser}->{skip_pattern};
        last;
    }
    return $rec;
#    return $rec if ref $rec eq 'ARRAY';
#    return unless $rec;
#    my @fields = $self->{parser}->read_fields($rec);
#    return undef if scalar @fields == 1 and !defined $fields[0];
#    return \@fields;
}
sub update_single_row {
    my $self     = shift;
    my $oldrow   = shift;
    my $newvals  = shift;
    my @colnames = @{ $self->col_names };
    my @newrow;
    my $requested_cols = [];
    for my $i(0..$#colnames) {
        push @$requested_cols, $colnames[$i] if defined $newvals->{$colnames[$i]};
        $newrow[$i] = $newvals->{$colnames[$i]};
        $newrow[$i] = $oldrow->{$colnames[$i]} unless defined $newrow[$i];
    }
    unshift @newrow, $requested_cols;
    $self->{storage}->seek(0,2);
    $self->push_row( @newrow );
    return \@newrow;
}
sub update_multiple_rows {
    my $self   = shift;
    my $key    = shift;
    my $values = shift;
    $self->seek_first_record;
    my @rows_to_update;
    while (my $row = $self->fetchrow_hashref) {
        next unless $self->match($row,$key);
        $self->{parser}->{has_update_function}
            ? $self->update_single_row($row,$values)
            : $self->delete_single_row();