使用 xml.modify 将参数插入到 xml 列的特定元素中 [英] Use of xml.modify to insert parameters into specific element of an xml column
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问题描述
我想使用存储过程将一些作为参数传入的值插入到列的 xml 中的元素中.到目前为止我有这个以下参数:
I would like to use a stored procedure to insert some values passed in as parameters into elements in the xml of a column. I have this so far The following parameters:
@profile_id int,
@user_id nvarchar(50),
@activity_name nvarchar(50),
@display_name nvarchar(50)
检索所需的 xml:
DECLARE @profiles_xml xml
SET @profiles_xml = (SELECT profiles from tbl_applied_profiles WHERE profiles.value('(Profile/ID)[1]','int')= @profile_id)
@profiles_xml 中列中的 xml 如下所示:
The xml from the column inside the @profiles_xml looks like this:
<Profile>
<ID>20</ID>
<User>
<ID>BC4A18CA-AFB5-4268-BDA9-C990DAFE7783</ID>
<Name>somename</Name>
<Activities>
<Activity>
<Name>activity1</Name>
</Activity>
</Activities>
</User>
</Profile>
尝试将活动名称和显示名称插入到具有特定 ID 的用户中:
Attempt to Insert into User with specific ID the activity name and display name:
SET @profiles_xml.modify('
insert
if(/Profile/User/ID=sql:variable("@user_id"))
then Activity[Name=sql:variable("@activity_name")][DisplayName=sql:variable("@display_name")]
else()
as first
into (/Profile/User/Activities)[1]')
我也尝试过,但没有成功:
I have also tried this with no success:
SET @devices_xml.modify('
insert /Profile/User[ID=sql:variable("@user_id")]/Activity[Name=sql:variable("@activity_name")][DisplayName=sql:variable("@display_name")]
into (/Profile/User/Activities)[1]')
还有这个:
SET @devices_xml.modify('
insert
/Profile/User[ID=sql:variable("@user_id")]/Activities/Activity[Name=sql:variable("@activity_name")][DisplayName=sql:variable("@display_name")]
into (/Profile/User/Activities)[1]')
这样做的正确方法是什么?
What is the correct way to do this?
推荐答案
declare @XML xml = '
<Profile>
<ID>20</ID>
<User>
<ID>BC4A18CA-AFB5-4268-BDA9-C990DAFE7783</ID>
<Name>somename</Name>
<Activities>
<Activity>
<Name>activity1</Name>
</Activity>
</Activities>
</User>
</Profile>'
declare @user_id nvarchar(50) = '20'
declare @activity_name nvarchar(50) = 'activity1'
declare @display_name nvarchar(50) = 'displayname1'
set @xml.modify('insert <DisplayName>{sql:variable("@display_name")}</DisplayName>
into (/Profile[ID = sql:variable("@user_id")]
/User/Activities/
Activity[Name = sql:variable("@activity_name")])[1]')
结果:
<Profile>
<ID>20</ID>
<User>
<ID>BC4A18CA-AFB5-4268-BDA9-C990DAFE7783</ID>
<Name>somename</Name>
<Activities>
<Activity>
<Name>activity1</Name>
<DisplayName>displayname1</DisplayName>
</Activity>
</Activities>
</User>
</Profile>
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