/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = Client::find()->select("CONCAT_WS(' ',`surname`,clients.`name`) as name,phone,address, sum(cost*count) as cost,clients.id as id")->leftJoin(Order::tableName(), Order::tableName() . '.id_client=' . Client::tableName() . '.id')->groupBy('id_client'); $dataProvider = new ActiveDataProvider(['query' => $query]); $this->load($params); if (!$this->validate()) { // uncomment the following line if you do not want to return any records when validation fails // $query->where('0=1'); return $dataProvider; } $query->andFilterWhere(['name' => $this->name, 'surname' => $this->surname, 'phone' => $this->phone, 'address' => $this->address]); return $dataProvider; }