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XMLElement function not working as expected

Posted on 2007-11-21
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623 Views
Last Modified: 2011-09-20
I have a table called players with the following attributes and values:

 PLAYER_ID PLAYER_NAME
---------- ------------
         1 Smith
         2 Jones
         3 Wilson

When I issued this query,
select XMLElement("Player",
          XMLElement("PlayerID",player_id),
          XMLElement("PlayerName",player_name))
from players;

I expected to see results something like this

<Player>
  <PlayerID>1</PlayerID>
  <PlayerName>Smith</PlayerName>
</Player>
<Player>
  <PlayerID>2</PlayerID>
  <PlayerName>Jones</PlayerName>
</Player>
<Player>
  <PlayerID>3</PlayerID>
  <PlayerName>Wilson</PlayerName>
</Player>

but what actually returned was

XMLTYPE()
XMLTYPE()
XMLTYPE()

Is there something I need to do to get this to work?
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Question by:awking00
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4 Comments
 
LVL 73

Expert Comment

by:sdstuber
ID: 20330544
xmlelement returns xmltype's

each type contains the player node you're looking for

0
 
LVL 73

Expert Comment

by:sdstuber
ID: 20330561
btw, off topic, please post your code about the iso weeks, I never did figure out what you were doing with the function based index that pertained to that question.
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LVL 73

Accepted Solution

by:
sdstuber earned 125 total points
ID: 20330650
uset the getclobval() method of the returned xmltype's to see the contents

select XMLElement("Player",
          XMLElement("PlayerID",player_id),
          XMLElement("PlayerName",player_name)).getclobval()
from players;
0
 
LVL 73

Expert Comment

by:sdstuber
ID: 20330661
And if you wanted all of the rows to be inside a single xml doc,
then use xmlagg to aggregate them.

and, that too returns an xmltype, so use getclobval on the xmlagg's returned value to see the combined xml


select XMLAGG(XMLElement("Player",
          XMLElement("PlayerID",player_id),
          XMLElement("PlayerName",player_name))
       ).getclobval()
from players;
0

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