SQL Server OPENJSON选择子对象

Question

这是我的代码：

DECLARE @Orders VARCHAR(MAX)

select @Orders = BulkColumn FROM OPENROWSET(BULK'C:\temp\amazonjson.json.txt', SINGLE_BLOB) JSON;

SELECT *
FROM OPENJSON(@Orders,'$.orders')
WITH(
orderId bigint '$.orderId',
orderNumber nvarchar(50) '$.orderNumber',
orderKey nvarchar(50) '$.orderKey',
orderDate nvarchar(50) '$.orderDate',
paymentDate nvarchar(50) '$.paymentDate',
shipByDate nvarchar(50) '$.shipByDate',
orderStatus nvarchar(50),
customerId nvarchar(50),
customerUsername nvarchar(50),
customerEmail nvarchar(50),
orderTotal nvarchar(50),
amountPaid nvarchar(50),
taxAmount nvarchar(50),
shippingAmount nvarchar(50),
customerNotes nvarchar(50),
internalNotes nvarchar(50),
gift nvarchar(50),
giftMessage nvarchar(50),
paymentMethod nvarchar(50),
requestedShippingService nvarchar(50),
carrierCode nvarchar(50),
serviceCode nvarchar(50),
packageCode nvarchar(50),
confirmation nvarchar(50),
shipDate nvarchar(50),
holdUntilDate nvarchar(50),
billTo nvarchar(max) '$.billTo',
items nvarchar(max)

）

问题是最后两列-billTo是一个对象-{“名称”：“鲍勃·史密斯”，“地址”：“ 1234主”}-并且items是一个数组。我试图将列仅显示为json字符串，以便稍后进行解析。

Answer 1

为了维护JSON字符串，请使用AS JSON而不是JSON路径：

DECLARE @Orders VARCHAR(MAX)

select @Orders = BulkColumn FROM OPENROWSET(BULK'C:\temp\amazonjson.json.txt', SINGLE_BLOB) JSON;

SELECT *
FROM OPENJSON(@Orders,'$.orders')
WITH(
orderId bigint '$.orderId',
orderNumber nvarchar(50) '$.orderNumber',
orderKey nvarchar(50) '$.orderKey',
orderDate nvarchar(50) '$.orderDate',
paymentDate nvarchar(50) '$.paymentDate',
shipByDate nvarchar(50) '$.shipByDate',
...
billTo nvarchar(max) AS JSON,
items nvarchar(max) AS JSON