How to parse XML ordred list into table view - sql

Question

How to parse XML ordered list like this
<ol>
<li>value1</li>
<li>value2</li>
<li>value3</li>
</ol>
into table like this (like it's visible in html):
Nr Value
----------- ------
1 value1
2 value2
3 value3
Here is the code for XML string:
declare #ol XML= '<ol><li>'+REPLACE('value1,value2,value3', ',', '</li><li>')+'</li></ol>'
select #ol
NB! Is it possible to parse "numbering" from XML without creating something like identity column?
Small update:
Following solutions provide right answer for simple example above:
Yitzhak Khabinsky, Salman A
akhilesh singh
But is it possible to get solution for this more tricky example:
DECLARE #ol XML
SET #ol=
'<ol type="i" start="3">
<li>value1</li>
<li>value2</li>
<li>value3</li>
</ol>';
Estimated result:
Nr Value
---- -------
iii value1
iv value2
v value3
?

Answer 1

Finding the nodes is easy, finding their relative position is tricky. Here is one solution by using what is called Node Comparison operation via << operator and count function:
DECLARE #ol XML = '<ol>
<li>value1</li>
<li>value2</li>
<li>value3</li>
</ol>';
SELECT li.value('.', 'NVARCHAR(100)') AS value
, li.value('let $n := . return count(../*[. << $n]) + 1', 'int') AS pos
FROM #ol.nodes('/ol/li') AS x(li)

Answer 2

DECLARE #ol XML
SET #ol= '<ol>
<li>value1</li>
<li>value2</li>
<li>value3</li>
</ol>';
SELECT ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) AS Nr,
li.value('.', 'NVARCHAR(100)') AS Value
FROM #ol.nodes('/ol/li') AS x(li)
Try this Simple Query...here...Getting Row Number ()...so we get Nr as Number...1,2,3..so on...and xml value into table....
You will get this type of Output...
Output :
Nr Value
----------- ------
1 value1
2 value2
3 value3
After Edit Your Question...the Solution Should be Like this.....
DECLARE #ol XML
SET #ol=
'<ol type="i" start="3">
<li>value1</li>
<li>value2</li>
<li>value3</li>
</ol>';
SELECT 2 + ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) AS Nr,
li.value('.', 'NVARCHAR(100)') AS Value
FROM #ol.nodes('/ol/li') AS x(li)
Output :
Nr Value
----------- ------
3 value1
4 value2
5 value3
here adding +2 value to RowNumber() so....we can get the value 2,3,4...and so on..