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你能幫助我用下面的查詢:。如何生成SQL嵌套JSON
我有兩個表
[sDocumentManagement] [tDocuments]
[sDocumentManagement] [tDocumentAttachments]
文檔表中的每個條目都是針對不同的Document,PK是DocumentID。在DocumentAttachments的表格中,我們可以有一個或多個FK-DocumentID附件。
我想達到的是以下幾點。
[
{
DocumentID: 1,
Something: 'blb',
Attachments: [
{
AttachmentID: 1,
SomethingElse: '23232'
}
]
},
{
DocumentID: 2,
Something: 'blb',
Attachments: [
{
AttachmentID: 12,
SomethingElse: '23232'
},
{
AttachmentID: 13,
SomethingElse: '23232'
}
]
}
]
我想從兩個表中獲取所有信息。
我嘗試以下查詢
SELECT @DocumentsJSON = (
SELECT *
FROM [sDocumentManagement].[tDocuments]
LEFT JOIN [sDocumentManagement].[tDocumentAttachments] ON [tDocuments].DocumentID = [tDocumentAttachments].DocumentID
FOR JSON PATH
)
SELECT @DocumentsJSON = (
SELECT
(
SELECT *
FROM [sDocumentManagement].[tDocumentAttachments]
WHERE [tDocumentAttachments].DocumentID = [tDocuments].DocumentID
FOR JSON PATH
) Attachments
, *
FROM [sDocumentManagement].[tDocuments]
FOR JSON PATH
)
你能證明你到目前爲止所嘗試過的嗎? – Badiparmagi
我試過這兩個查詢,但仍沒有測試它們(檢查原始帖子) – VBORISOV