42.Merchant -为一个购买订单做准备

商人需要留意重要的客户,特别的促销活动,受欢迎的产品,并确保订单处理。让我们介绍其中的一些场景和学习如何使用N1QL查询相关数据。

派遣团队已告知订单已放置,愿审核采购订单。

SELECT purchases, product, customer 
FROM purchases USE KEYS "purchase0" UNNEST purchases.lineItems AS items 
JOIN product ON KEYS items.product
JOIN customer ON KEYS purchases.customerId

结果：

{
  "results": [
    {
      "customer": {
        "ccInfo": {
          "cardExpiry": "2012-11-12",
          "cardNumber": "1234-2121-1221-1211",
          "cardType": "americanexpress"
        },
        "customerId": "customer515",
        "dateAdded": "2014-01-06T15:52:16Z",
        "dateLastActive": "2014-05-06T15:52:16Z",
        "emailAddress": "[e-mail]",
        "firstName": "Dustin",
        "lastName": "Lemke",
        "phoneNumber": "1-151-555-5907 x324",
        "postalCode": "26384",
        "state": "MS",
        "type": "customer"
      },
      "product": {
        "categories": [
          "Pet Supplies"
        ],
        "color": "white",
        "dateAdded": "2014-01-06T15:52:19Z",
        "dateModified": "2014-05-06T15:52:19Z",
        "description": "This product is available on <a target=\"_blank\" href=\"http://www.amazon.com/gp/product/B007KKU8QE/ref=s9_ri_bw_g199_ir015?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=merchandised-search-8&pf_rd_r=D199F6AF45FA49D6845F&pf_rd_t=101&pf_rd_p=1479925062&pf_rd_i=2619533011\">Amazon.com</a>.",
        "imageURL": "http://ecx.images-amazon.com/images/I/51BfRrG%2BdoL._SL300_.jpg",
        "name": "Aquarius Aq15005 Aquarius 5 Rounded 5-Gallon Aquarium Kit",
        "productId": "product701",
        "reviewList": [
          "review2505",
          "review4108",
          "review4160",
          "review4866",
          "review4908",
          "review5519",
          "review8101",
          "review8720",
          "review8981",
          "review9116"
        ],
        "type": "product",
        "unitPrice": 29
      },
      "purchases": {
        "customerId": "customer515",
        "lineItems": [
          {
            "count": 3,
            "product": "product701"
          },
          {
            "count": 4,
            "product": "product85"
          }
        ],
        "purchaseId": "purchase0",
        "purchasedAt": "2014-04-06T15:52:32Z",
        "type": "purchase"
      }
    },
    {
      "customer": {
        "ccInfo": {
          "cardExpiry": "2012-11-12",
          "cardNumber": "1234-2121-1221-1211",
          "cardType": "americanexpress"
        },
        "customerId": "customer515",
        "dateAdded": "2014-01-06T15:52:16Z",
        "dateLastActive": "2014-05-06T15:52:16Z",
        "emailAddress": "[e-mail]",
        "firstName": "Dustin",
        "lastName": "Lemke",
        "phoneNumber": "1-151-555-5907 x324",
        "postalCode": "26384",
        "state": "MS",
        "type": "customer"
      },
      "product": {
        "categories": [
          "Kitchen & Dining"
        ],
        "color": "white",
        "dateAdded": "2013-11-07T15:52:18Z",
        "dateModified": "2014-05-06T15:52:18Z",
        "description": "This product is available on <a target=\"_blank\" href=\"http://www.amazon.com/gp/product/B0000DE9B5/ref=s9_ri_bw_g79_ir04?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=merchandised-search-11&pf_rd_r=1C0DBDE1A6234FF8A9DB&pf_rd_t=101&pf_rd_p=1405136162&pf_rd_i=284507\">Amazon.com</a>.",
        "imageURL": "http://ecx.images-amazon.com/images/I/21xHRhlFslL._SL300_.jpg",
        "name": "Bormioli Rocco Frigoverre Jug with Hermetic Lid, 2-Liters",
        "productId": "product85",
        "reviewList": [
          "review681",
          "review3771",
          "review4215",
          "review5685",
          "review5856",
          "review5935",
          "review6789",
          "review7532",
          "review7649",
          "review9011"
        ],
        "type": "product",
        "unitPrice": 14.95
      },
      "purchases": {
        "customerId": "customer515",
        "lineItems": [
          {
            "count": 3,
            "product": "product701"
          },
          {
            "count": 4,
            "product": "product85"
          }
        ],
        "purchaseId": "purchase0",
        "purchasedAt": "2014-04-06T15:52:32Z",
        "type": "purchase"
      }
    }
  ]
}