sql-server - 在 T-SQL 中连接来自 XML 的数据

Question

我有以下 XML 消息:

DECLARE @XML AS XML
SET @XML = 
'<Message>
<Changes>
    <Deleted>
        <ROW id="1" name="Nicole" surname="Bartlett" city="denver" balance="779.4663" dateOfBirth="1991-12-11T14:05:42.830" maritalStatus="S" />
        <ROW id="1" name="Nicole" surname="Bartlett" city="boston" balance="779.4663" dateOfBirth="1991-12-11T14:05:42.830" maritalStatus="S" />
    </Deleted>
    <Inserted>
        <ROW id="1" name="Nicole" surname="Bartlett" city="denver" balance="779.4663" dateOfBirth="1991-12-11T14:05:42.830" maritalStatus="S" />
        <ROW id="1" name="Nicole" surname="Bartlett" city="boston" balance="779.4663" dateOfBirth="1991-12-11T14:05:42.830" maritalStatus="S" />
    </Inserted>
</Changes>
</Message>'

我需要从这条消息中选择数据并加入另一个表的 id 字段。以下代码不起作用:

SELECT T.c.value('./@id', 'int') as id, t.c.value('./@name', 'varchar(max)') as name 
FROM @XML.nodes('/Message/Changes/Deleted/ROW') T(c)
inner join other_table tbl
    on tbl.id = id

我该怎么做？

Answer 1

SELECT T.c.value('./@id', 'int') as id, t.c.value('./@name', 'varchar(max)') as name 
FROM @XML.nodes('/Message/Changes/Deleted/ROW') T(c)
inner join other_table tbl
    on tbl.id = T.c.value('./@id', 'int')