hi there
i have two tables, student and exam
each student can take how many exams that want
also have a relation in student model named getExams()
how can i fetch records from student if getExams is not empty?
thanks in advanced
hi there
i have two tables, student and exam
each student can take how many exams that want
also have a relation in student model named getExams()
how can i fetch records from student if getExams is not empty?
thanks in advanced
hi,
in my yii2 demo project i implement code as per your query.hope this exactly u want.
in state Model:
public function getCountry()
{
return $this->hasOne(Country::className(), ['countryId' => 'countryId']);
}
state index:
[
'value' =>function($model)
{
$name = empty($model->country) ? 'null' : $model->country->countryName;
return $name;
},
],
regards,
webin