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你能帮助我用下面的查询:。如何生成SQL嵌套JSON
我有两个表
[sDocumentManagement] [tDocuments]
[sDocumentManagement] [tDocumentAttachments]
文档表中的每个条目都是针对不同的Document,PK是DocumentID。在DocumentAttachments的表格中,我们可以有一个或多个FK-DocumentID附件。
我想达到的是以下几点。
[
{
DocumentID: 1,
Something: 'blb',
Attachments: [
{
AttachmentID: 1,
SomethingElse: '23232'
}
]
},
{
DocumentID: 2,
Something: 'blb',
Attachments: [
{
AttachmentID: 12,
SomethingElse: '23232'
},
{
AttachmentID: 13,
SomethingElse: '23232'
}
]
}
]
我想从两个表中获取所有信息。
我尝试以下查询
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
)
你能证明你到目前为止所尝试过的吗? – Badiparmagi
我试过这两个查询,但仍没有测试它们(检查原始帖子) – VBORISOV