} elsif (! defined($v)) {
# undef = null
$self->_debug("UNDEF($k) means IS NULL");
- push @sqlf, $k . ' IS NULL'
+ push @sqlf, $self->_cond_key($attrs => $k) . ' IS NULL'
} elsif (ref $v eq 'ARRAY') {
# multiple elements: multiple options
# warnings... $self->_debug("ARRAY($k) means multiple elements: [ @$v ]");