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        Python:Django:如何根據 order_id 在 order_data 中獲取

        Python: Django: how to get order_detail_data inside order_data as per order_id?(Python:Django:如何根據 order_id 在 order_data 中獲取 order_detail_data?)

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                • 本文介紹了Python:Django:如何根據 order_id 在 order_data 中獲取 order_detail_data?的處理方法,對大家解決問題具有一定的參考價值,需要的朋友們下面隨著小編來一起學習吧!

                  問題描述

                  class Order_ListAPIView(APIView):def get(self,request,format=None):總數據=[]如果 request.method == 'GET':cur,conn = 連接()order_query = ''' SELECT * FROM 訂單'''order_detail_query = ''' SELECT * FROM order_details'''以 conn.cursor(MySQLdb.cursors.DictCursor) 作為游標:cursor.execute(order_detail_query)order_detail_result = cursor.fetchall()order_detail_data = 列表(order_detail_result)# 打印(order_detail_data)cursor.execute(order_query)order_result = cursor.fetchall()訂單數據 = 列表(訂單結果)dic = {}對于 order_detail_data 中的 d:如果 d['order_id'] 不在 dic 中:dic[d['order_id']] = []dic[d['order_id']].append(d)order_data.append(dic)totalData.append({order_data":order_data, })返回響應({totalData":totalData,},status=status.HTTP_200_OK)別的:返回響應(狀態=狀態.HTTP_400_BAD_REQUEST)

                  <塊引用>

                  輸出:

                  <代碼>{總數據":[{訂單數據":[{order_id":1,user_id":4,billing_shipping_id":5,payment_method_id":1,delivery_id":2,txnid":584ffb7fd622eca10a6d",order_no":1-1583152683-0005",delivery_amount":0.0,折扣金額":0.0,order_total":1.0,payment_status":已支付",created_datetime":2020-03-02T18:09:27",updated_datetime":2020-03-02T12:39:27",狀態":活動",mihpayid":9956109007",payuMoneyId":306043618"},{order_id":2,用戶 ID":11,billing_shipping_id":19,payment_method_id":2,delivery_id":2,txnid":",order_no":1-1583152785-0010",delivery_amount":0.0,折扣金額":0.0,order_total":1.0,payment_status":未付",created_datetime":2020-03-02T18:09:45",updated_datetime":2020-03-02T12:39:45",狀態":活動",mihpayid":",payuMoneyId":"},{order_id":3,user_id":12,billing_shipping_id":20,payment_method_id":1,delivery_id":2,txnid":83e066ca75437f3d05b0",order_no":2-1583152964-0019",delivery_amount":0.0,折扣金額":0.0,order_total":2.0,payment_status":已支付",created_datetime":2020-03-02T18:13:43",updated_datetime":2020-03-02T12:43:43",狀態":活動",mihpayid":9956136979",payuMoneyId":306044826"},{1":[{order_detail_id":1,order_id":1,user_id":4,product_id":229,product_size_id":982,size_id":2,數量":1,產品價格":1.0,order_item_status":已放置",last_status_datatime":2020-03-02T18:09:27",反饋":",created_datetime":2020-03-02T18:09:27",updated_datetime":2020-03-02T12:39:27",狀態":活動"}],2":[{order_detail_id":2,order_id":2,用戶 ID":11,product_id":229,product_size_id":981,size_id":1,數量":1,產品價格":1.0,order_item_status":已取消",last_status_datatime":2020-03-02T18:10:19",反饋":0",created_datetime":2020-03-02T18:09:45",updated_datetime":2020-03-02T12:39:45",狀態":活動"}],3":[{order_detail_id":3,order_id":3,user_id":19,product_id":229,product_size_id":982,size_id":2,數量":1,產品價格":1.0,order_item_status":已放置",last_status_datatime":2020-03-02T18:32:07",反饋":",created_datetime":2020-03-02T18:32:07",updated_datetime":2020-03-02T13:02:07",狀態":活動"},]}]}]}

                  <塊引用>

                  我想要的是:

                  <代碼>{總數據":[{訂單數據":[{order_id":1,user_id":4,billing_shipping_id":5,payment_method_id":1,delivery_id":2,txnid":584ffb7fd622eca10a6d",order_no":1-1583152683-0005",delivery_amount":0.0,折扣金額":0.0,order_total":1.0,payment_status":已支付",created_datetime":2020-03-02T18:09:27",updated_datetime":2020-03-02T12:39:27",狀態":活動",mihpayid":9956109007",payuMoneyId":306043618",1":[{order_detail_id":1,order_id":1,user_id":4,product_id":229,product_size_id":982,size_id":2,數量":1,產品價格":1.0,order_item_status":已放置",last_status_datatime":2020-03-02T18:09:27",反饋":",created_datetime":2020-03-02T18:09:27",updated_datetime":2020-03-02T12:39:27",狀態":活動"],}},{order_id":2,用戶 ID":11,billing_shipping_id":19,payment_method_id":2,delivery_id":2,txnid":",order_no":1-1583152785-0010",delivery_amount":0.0,折扣金額":0.0,order_total":1.0,payment_status":未付",created_datetime":2020-03-02T18:09:45",updated_datetime":2020-03-02T12:39:45",狀態":活動",mihpayid":",payuMoneyId":",2":[{order_detail_id":2,order_id":2,用戶 ID":11,product_id":229,product_size_id":981,size_id":1,數量":1,產品價格":1.0,order_item_status":已取消",last_status_datatime":2020-03-02T18:10:19",反饋":0",created_datetime":2020-03-02T18:09:45",updated_datetime":2020-03-02T12:39:45",狀態":活動"],}},{order_id":3,user_id":12,billing_shipping_id":20,payment_method_id":1,delivery_id":2,txnid":83e066ca75437f3d05b0",order_no":2-1583152964-0019",delivery_amount":0.0,折扣金額":0.0,order_total":2.0,payment_status":已支付",created_datetime":2020-03-02T18:13:43",updated_datetime":2020-03-02T12:43:43",狀態":活動",mihpayid":9956136979",payuMoneyId":306044826",3":[{order_detail_id":3,order_id":3,user_id":19,product_id":229,product_size_id":982,size_id":2,數量":1,產品價格":1.0,order_item_status":已放置",last_status_datatime":2020-03-02T18:32:07",反饋":",created_datetime":2020-03-02T18:32:07",updated_datetime":2020-03-02T13:02:07",狀態":活動"]},]}]}

                  <塊引用>

                  我使用原始查詢從數據庫中直接獲取數據而不是ORM.我想按照 order_data 在 order_data 中獲取 order_detail_dataorder_id,根據上述詳細信息.

                  我正在嘗試解決這個問題,但我沒有得到任何可以解決這個問題的可能答案.如果有人能幫我解決我正在尋找的問題,那就太好了.非常感謝您!

                  解決方案

                  經過 16 個小時的努力,我找到了解決方案:

                  class Order_ListAPIView(APIView):def get(self,request,format=None):總數據=[]如果 request.method == 'GET':cur,conn = 連接()order_query = ''' SELECT * FROM 訂單'''order_detail_query = ''' SELECT * FROM order_details LEFT JOIN 訂單 ON order_details.order_detail_id = orders.order_id '''以 conn.cursor(MySQLdb.cursors.DictCursor) 作為游標:cursor.execute(order_detail_query)order_detail_result = cursor.fetchall()order_detail_data = 列表(order_detail_result)# 打印(order_detail_data)cursor.execute(order_query)order_result = cursor.fetchall()訂單數據 = 列表(訂單結果)dic = {}def merge_order_data_and_detail(order_data, order_detail_data):對于 order_detail_data 中的 d:如果 d['order_id'] 不在 dic 中:dic[d['order_id']] = []dic[d['order_id']].append(d)對于 o 在 order_data 中:如果 o['order_id'] 在 dic 中:o['order_detail_data'] = dic[o['order_id']]merge_order_data_and_detail(order_data,order_detail_data)totalData.append({"order_data":order_data, })返回響應({"totalData":totalData,},status=status.HTTP_200_OK)別的:返回響應(狀態=狀態.HTTP_400_BAD_REQUEST)

                  class Order_ListAPIView(APIView):
                      def get(self,request,format=None):
                          totalData=[]
                          if request.method == 'GET':
                              cur,conn = connection()
                              order_query = ''' SELECT * FROM orders'''
                              order_detail_query = ''' SELECT * FROM order_details'''
                   
                              with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
                   
                                  cursor.execute(order_detail_query)
                                  order_detail_result = cursor.fetchall()
                                  order_detail_data = list(order_detail_result)
                                  # print(order_detail_data)
                   
                                  cursor.execute(order_query)
                                  order_result = cursor.fetchall()
                                  order_data = list(order_result)
                   
                                  dic = {}
                                  for d in order_detail_data:
                                      if d['order_id'] not in dic:
                                          dic[d['order_id']] = []
                                      dic[d['order_id']].append(d)
                                  order_data.append(dic)
                   
                              totalData.append({"order_data":order_data, })
                              return Response({"totalData":totalData,},status=status.HTTP_200_OK)
                          else:
                              return Response(status=status.HTTP_400_BAD_REQUEST)
                  

                  output:

                  {
                      "totalData": [
                          {
                              "order_data": [
                                  {
                                      "order_id": 1,
                                      "user_id": 4,
                                      "billing_shipping_id": 5,
                                      "payment_method_id": 1,
                                      "delivery_id": 2,
                                      "txnid": "584ffb7fd622eca10a6d",
                                      "order_no": "1-1583152683-0005",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 1.0,
                                      "payment_status": "Paid",
                                      "created_datetime": "2020-03-02T18:09:27",
                                      "updated_datetime": "2020-03-02T12:39:27",
                                      "status": "Active",
                                      "mihpayid": "9956109007",
                                      "payuMoneyId": "306043618"
                                  },
                                  {
                                      "order_id": 2,
                                      "user_id": 11,
                                      "billing_shipping_id": 19,
                                      "payment_method_id": 2,
                                      "delivery_id": 2,
                                      "txnid": "",
                                      "order_no": "1-1583152785-0010",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 1.0,
                                      "payment_status": "Unpaid",
                                      "created_datetime": "2020-03-02T18:09:45",
                                      "updated_datetime": "2020-03-02T12:39:45",
                                      "status": "Active",
                                      "mihpayid": "",
                                      "payuMoneyId": ""
                                  },
                                  {
                                      "order_id": 3,
                                      "user_id": 12,
                                      "billing_shipping_id": 20,
                                      "payment_method_id": 1,
                                      "delivery_id": 2,
                                      "txnid": "83e066ca75437f3d05b0",
                                      "order_no": "2-1583152964-0019",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 2.0,
                                      "payment_status": "Paid",
                                      "created_datetime": "2020-03-02T18:13:43",
                                      "updated_datetime": "2020-03-02T12:43:43",
                                      "status": "Active",
                                      "mihpayid": "9956136979",
                                      "payuMoneyId": "306044826"
                                  },
                                  {
                                      "1": [
                                          {
                                              "order_detail_id": 1,
                                              "order_id": 1,
                                              "user_id": 4,
                                              "product_id": 229,
                                              "product_size_id": 982,
                                              "size_id": 2,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Placed",
                                              "last_status_datatime": "2020-03-02T18:09:27",
                                              "feedback": "",
                                              "created_datetime": "2020-03-02T18:09:27",
                                              "updated_datetime": "2020-03-02T12:39:27",
                                              "status": "Active"
                                          }
                                      ],
                                      "2": [
                                          {
                                              "order_detail_id": 2,
                                              "order_id": 2,
                                              "user_id": 11,
                                              "product_id": 229,
                                              "product_size_id": 981,
                                              "size_id": 1,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Cancelled",
                                              "last_status_datatime": "2020-03-02T18:10:19",
                                              "feedback": "0",
                                              "created_datetime": "2020-03-02T18:09:45",
                                              "updated_datetime": "2020-03-02T12:39:45",
                                              "status": "Active"
                                          }
                                      ],
                                      "3": [
                                          {
                                              "order_detail_id": 3,
                                              "order_id": 3,
                                              "user_id": 19,
                                              "product_id": 229,
                                              "product_size_id": 982,
                                              "size_id": 2,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Placed",
                                              "last_status_datatime": "2020-03-02T18:32:07",
                                              "feedback": "",
                                              "created_datetime": "2020-03-02T18:32:07",
                                              "updated_datetime": "2020-03-02T13:02:07",
                                              "status": "Active"
                                          },
                                      ]
                                  }
                              ]
                          }
                      ]
                  }
                  

                  what i want is:

                  {
                      "totalData": [
                          {
                              "order_data": [
                                  {
                                      "order_id": 1,
                                      "user_id": 4,
                                      "billing_shipping_id": 5,
                                      "payment_method_id": 1,
                                      "delivery_id": 2,
                                      "txnid": "584ffb7fd622eca10a6d",
                                      "order_no": "1-1583152683-0005",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 1.0,
                                      "payment_status": "Paid",
                                      "created_datetime": "2020-03-02T18:09:27",
                                      "updated_datetime": "2020-03-02T12:39:27",
                                      "status": "Active",
                                      "mihpayid": "9956109007",
                                      "payuMoneyId": "306043618",
                                      "1": [
                                          {
                                              "order_detail_id": 1,
                                              "order_id": 1,
                                              "user_id": 4,
                                              "product_id": 229,
                                              "product_size_id": 982,
                                              "size_id": 2,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Placed",
                                              "last_status_datatime": "2020-03-02T18:09:27",
                                              "feedback": "",
                                              "created_datetime": "2020-03-02T18:09:27",
                                              "updated_datetime": "2020-03-02T12:39:27",
                                              "status": "Active" 
                                      ],}
                                  },
                                  {
                                      "order_id": 2,
                                      "user_id": 11,
                                      "billing_shipping_id": 19,
                                      "payment_method_id": 2,
                                      "delivery_id": 2,
                                      "txnid": "",
                                      "order_no": "1-1583152785-0010",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 1.0,
                                      "payment_status": "Unpaid",
                                      "created_datetime": "2020-03-02T18:09:45",
                                      "updated_datetime": "2020-03-02T12:39:45",
                                      "status": "Active",
                                      "mihpayid": "",
                                      "payuMoneyId": "",
                                      "2": [
                                          {
                                              "order_detail_id": 2,
                                              "order_id": 2,
                                              "user_id": 11,
                                              "product_id": 229,
                                              "product_size_id": 981,
                                              "size_id": 1,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Cancelled",
                                              "last_status_datatime": "2020-03-02T18:10:19",
                                              "feedback": "0",
                                              "created_datetime": "2020-03-02T18:09:45",
                                              "updated_datetime": "2020-03-02T12:39:45",
                                              "status": "Active" 
                                      ],
                                     
                                  }
                                  },
                                  {
                                      "order_id": 3,
                                      "user_id": 12,
                                      "billing_shipping_id": 20,
                                      "payment_method_id": 1,
                                      "delivery_id": 2,
                                      "txnid": "83e066ca75437f3d05b0",
                                      "order_no": "2-1583152964-0019",
                                      "delivery_amount": 0.0,
                                      "discount_amount": 0.0,
                                      "order_total": 2.0,
                                      "payment_status": "Paid",
                                      "created_datetime": "2020-03-02T18:13:43",
                                      "updated_datetime": "2020-03-02T12:43:43",
                                      "status": "Active",
                                      "mihpayid": "9956136979",
                                      "payuMoneyId": "306044826",
                                      "3": [
                                          {
                                              "order_detail_id": 3,
                                              "order_id": 3,
                                              "user_id": 19,
                                              "product_id": 229,
                                              "product_size_id": 982,
                                              "size_id": 2,
                                              "qty": 1,
                                              "product_price": 1.0,
                                              "order_item_status": "Placed",
                                              "last_status_datatime": "2020-03-02T18:32:07",
                                              "feedback": "",
                                              "created_datetime": "2020-03-02T18:32:07",
                                              "updated_datetime": "2020-03-02T13:02:07",
                                              "status": "Active"
                                      ]
                                  },
                              ]
                          }
                      ]
                  }
                  

                  i am direct fetching data using raw query from databases instead of ORM. i want to get order_detail_data inside order_data as per order_id, per above details.

                  i am trying to solve this problem, but i didn't get any possible answer which could solve this problem. It would be great if anyone could help me out for what i am looking for. Advance thank you so much!.

                  解決方案

                  After 16 hours struggle i found solution:

                  class Order_ListAPIView(APIView):
                      def get(self,request,format=None):
                          totalData=[]
                          if request.method == 'GET':
                              cur,conn = connection()
                              order_query = ''' SELECT * FROM orders'''
                              order_detail_query = ''' SELECT * FROM order_details LEFT JOIN orders ON order_details.order_detail_id = orders.order_id '''
                  
                              with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
                  
                                  cursor.execute(order_detail_query)
                                  order_detail_result = cursor.fetchall()
                                  order_detail_data = list(order_detail_result)
                                  # print(order_detail_data)
                  
                                  cursor.execute(order_query)
                                  order_result = cursor.fetchall()
                                  order_data = list(order_result)
                  
                                  dic = {}
                                  def merge_order_data_and_detail(order_data, order_detail_data):
                                      for d in order_detail_data:
                                          if d['order_id'] not in dic:
                                              dic[d['order_id']] = []
                                          dic[d['order_id']].append(d)
                  
                  
                                      for o in order_data:
                                          if o['order_id'] in dic:
                                              o['order_detail_data'] = dic[o['order_id']]
                  
                                  merge_order_data_and_detail(order_data, order_detail_data)
                  
                              totalData.append({"order_data":order_data, })
                              return Response({"totalData":totalData,},status=status.HTTP_200_OK)
                          else:
                              return Response(status=status.HTTP_400_BAD_REQUEST)
                  
                  
                  

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                  reuse the result of a select expression in the quot;GROUP BYquot; clause?(在“GROUP BY中重用選擇表達式的結果;條款?)
                  Does ignore option of Pyspark DataFrameWriter jdbc function ignore entire transaction or just offending rows?(Pyspark DataFrameWriter jdbc 函數的 ignore 選項是忽略整個事務還是只是有問題的行?) - IT屋-程序員軟件開發技
                  Error while using INSERT INTO table ON DUPLICATE KEY, using a for loop array(使用 INSERT INTO table ON DUPLICATE KEY 時出錯,使用 for 循環數組)
                  pyspark mysql jdbc load An error occurred while calling o23.load No suitable driver(pyspark mysql jdbc load 調用 o23.load 時發生錯誤 沒有合適的驅動程序)
                  How to integrate Apache Spark with MySQL for reading database tables as a spark dataframe?(如何將 Apache Spark 與 MySQL 集成以將數據庫表作為 Spark 數據幀讀取?)

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