public function getCharacteristics() { return $this->hasMany(ShopItemCharacteristics::className(), ['shop_items_id' => 'id'])->groupBy(['name'])->orderBy(['name' => SORT_ASC])->via('shopItems'); }
/** * @return \yii\db\ActiveQuery */ public function getShopItemCharacteristics() { return $this->hasMany(ShopItemCharacteristics::className(), ['shop_items_id' => 'id']); }