[英]How to modify XML node that contains a specific child node value?
I have a table with an XML column. 我有一个带有XML列的表。 How can I add another node inside a node that contains a child node with a specific value?
如何在包含具有特定值的子节点的节点内添加另一个节点? For example I'd like to copy
foo/bar/e/f
node from barId 6699 to barId 66989. I only find examples where you select node based on an attribute value. 例如,我想将
foo/bar/e/f
节点从barId 6699复制到barId66989。我仅找到一些示例,其中需要根据属性值选择节点。 I need to filter by child node value instead. 我需要按子节点值过滤。
<foo>
<bar>
<barId>66988</barId>
<name>baz 3</name>
</bar>
<bar>
<barId>66989</barId>
<name>b </name>
<e>
<g>
<h>
<l>-</l>
<m>k</m>
</h>
<h>
<l>p v</l>
<m>k</m>
</h>
</g>
</e>
</bar>
<bar>
<barId>6699</barId>
<name>n 4 c</name>
<e>
<f>
<h>
<i>k</i>
<j>9.3</j>
</h>
</f>
</e>
</bar>
</foo>
Try this: 尝试这个:
DECLARE @value XML = '<foo><bar><barId>66988</barId><name>baz 3</name></bar><bar><barId>66989</barId><name>b </name><e><g><h><l>-</l><m>k</m></h><h><l>p v</l><m>k</m></h></g></e></bar><bar><barId>6699</barId><name>n 4 c</name><e><f><h><i>k</i><j>9.3</j></h></f></e></bar></foo>';
DECLARE @SourceID INT = 6699;
DECLARE @DestinationID INT = 66989;
DECLARE @temp XML;
SELECT @temp = T.c.query('.')
FROM @value.nodes('/foo/bar[barId = sql:variable("@SourceID")]/e/f') T(c);
SELECT @temp;
SET @value.modify('insert sql:variable("@temp") as last into (/foo/bar[barId =sql:variable("@DestinationID")]/e)[1]')
SELECT @value;
It will give you this: 它会给你这个:
<foo>
<bar>
<barId>66988</barId>
<name>baz 3</name>
</bar>
<bar>
<barId>66989</barId>
<name>b </name>
<e>
<g>
<h>
<l>-</l>
<m>k</m>
</h>
<h>
<l>p v</l>
<m>k</m>
</h>
</g>
<f>
<h>
<i>k</i>
<j>9.3</j>
</h>
</f>
</e>
</bar>
<bar>
<barId>6699</barId>
<name>n 4 c</name>
<e>
<f>
<h>
<i>k</i>
<j>9.3</j>
</h>
</f>
</e>
</bar>
</foo>
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