my $restriction = qq| AND (| . join(' OR ', map { " addition = " . $dbh->quote($_) } split(m/\,/, $form->{einschraenkungen})) . qq|)| if $form->{einschraenkungen};
$restriction .= qq| AND h.itime::date >= | . conv_dateq($form->{fromdate}) if $form->{fromdate};
$restriction .= qq| AND h.itime::date <= | . conv_dateq($form->{todate}) if $form->{todate};
my $restriction = qq| AND (| . join(' OR ', map { " addition = " . $dbh->quote($_) } split(m/\,/, $form->{einschraenkungen})) . qq|)| if $form->{einschraenkungen};
$restriction .= qq| AND h.itime::date >= | . conv_dateq($form->{fromdate}) if $form->{fromdate};
$restriction .= qq| AND h.itime::date <= | . conv_dateq($form->{todate}) if $form->{todate};