public function getTableThreeRecord() { return $this->hasOne(TableThree::className(), ['id' => 't3_id']); }
public function getTableThreeRecords() { return $this->hasMany(TableThree::className(), ['id' => 't3_id'])->via('tableTwoRecords'); //->viaTable('table_2', ['t1_id' => 'id']); }