本文介紹了如何查詢 SQL Server XML 列并返回特定節點的所有值?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
限時送ChatGPT賬號..
我在 SQL Server 的 XML 列中有以下 XML.
I have the following XML in a XML column in SQL Server.
<qualifiers>
<qualifier>
<key>111</key>
<message>a match was not found</message>
</qualifier>
<qualifier>
<key>222</key>
<message>a match was found</message>
</qualifier>
<qualifier>
<key>333</key>
<message>error</message>
</qualifier>
</qualifiers>
如何編寫 TSQL 以逗號分隔的字符串返回限定符/限定符/消息中的所有值?我的目標是讓查詢在每一行的單個列中返回 XML 中的值.
How can I write TSQL to return all the values in qualifiers/qualifier/message in a comma delimited string? My goal is to have the query return the values from the XML in a single column for each row.
結果應該是這樣的:
"a match was not found, a match was found, error"
推薦答案
SQLFiddle for相同:根據@xQbert 建議的解決方案
SQLFiddle for the same: Solution as per @xQbert suggested
create table Temp (col1 xml)
go
insert into Temp (col1)
values('<qualifiers>
<qualifier>
<key>111</key>
<message>a match was not found</message>
</qualifier>
<qualifier>
<key>222</key>
<message>a match was found</message>
</qualifier>
<qualifier>
<key>333</key>
<message>error</message>
</qualifier>
</qualifiers>')
go
SELECT
STUFF((SELECT
',' + fd.v.value('(.)[1]', 'varchar(50)')
FROM
Temp
CROSS APPLY
col1.nodes('/qualifiers/qualifier/message') AS fd(v)
FOR XML PATH('')
), 1, 1, '')
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