my ($inop, $logic, $nullop) = $op =~ /^NOT/
? (-not_in => AND => { '!=' => undef })
: (-in => OR => undef);
- return $self->_expr_to_dq_ARRAYREF([
- { $k => { $inop => [grep defined, @$rhs] } },
+ if (my @defined = grep defined, @$rhs) {
+ return $self->_expr_to_dq_ARRAYREF([
+ { $k => { $inop => \@defined } },
{ $k => $nullop },
], $logic);
+ }
+ return $self->_expr_to_dq_HASHREF({ $k => $nullop });
}
return $self->_literal_to_dq(
$op =~ /^NOT/ ? $self->{sqltrue} : $self->{sqlfalse}
);
} elsif (!defined($rhs)) {
my $null_op = do {
- if ($op eq '=' or $op eq 'LIKE') {
+ if ($op eq '=' or $op eq 'LIKE' or $op eq 'IS') {
'IS NULL'
- } elsif ($op eq '!=') {
+ } elsif ($op eq '!=' or $op eq 'NOT LIKE' or $op eq 'IS NOT') {
'IS NOT NULL'
} else {
die "Can't do undef -> NULL transform for operator ${op}";