分解XML
分解XML
DECLARE @xmlvar xml
set @xmlvar = '
<Data>
<Student id="s1">
<Name>Bugs Bunny</Name>
<Class>FFA</Class>
</Student>
<Student id="s2">
<Name>Road Runner</Name>
<Class>Sports</Class>
</Student>
<Student id="s3">
<Name>Wile E. Coyote</Name>
<Class>Science</Class>
</Student>
<Student id="s4">
<Name>Foghorn Leghorn</Name>
<Class>Self Defense</Class>
</Student>
</Data>'
--1
SELECT
A.student.value('@id','varchar(10)') AS id,
A.student.value('Name[1]','varchar(20)') AS Name,
A.student.value('Class[1]','varchar(20)') AS Class,
row_number() over (order by getdate()) AS ndx
FROM @xmlvar.nodes('/Data/Student') AS A(student)
--2
SELECT
A.student.value('@id','varchar(10)') AS id,
A.student.value('Name[1]','varchar(20)') AS Name,
A.student.value('Class[1]','varchar(20)') AS Class,
A.student.value('for $i in . return count($i/../*[.<<$i])+1','int') AS ndx
FROM @xmlvar.nodes('/Data/Student') AS A(student)
--3
DECLARE @docHandle int
EXEC sp_xml_preparedocument @docHandle OUTPUT, @xmlvar
SELECT * ,row_number() over (order by getdate()) AS ndx
FROM OPENXML(@docHandle, N'/Data/Student/Class')
WITH (id char(2) '../@id',name varchar(20) '../Name',class varchar(20) '../Class' )
EXEC sp_xml_removedocument @docHandle
--结果
/*
id Name Class ndx
---------- -------------------- -------------------- -----------
s1 Bugs Bunny FFA 1
s2 Road Runner Sports 2
s3 Wile E. Coyote Science 3
s4 Foghorn Leghorn Self Defense 4
(4 行受影响)
id Name Class ndx
------- -------------------- -------------------- --------------------
s1 Bugs Bunny FFA 1
s2 Road Runner Sports 2
s3 Wile E. Coyote Science 3
s4 Foghorn Leghorn Self Defense 4
(4 行受影响)
id name class ndx
---- -------------------- -------------------- --------------------
s1 Bugs Bunny FFA 1
s2 Road Runner Sports 2
s3 Wile E. Coyote Science 3
s4 Foghorn Leghorn Self Defense 4
(4 行受影响)
*/