Filter::field('age', [FilterType::NULL]);
Filter::field('weight', [FilterType::NULL]);
$filters = [
[
'type' => '$null',
'target' => 'age',
'value' => true,
],
[
'type' => '$null',
'target' => 'weight',
'value' => false,
],
];
$sql = Person::filter($filters)->toRawSql();
select *
from "people"
where "people"."age" is null
and "people"."weight" is not null