[xquery-talk] changing structure based on input value

[Dmitri.Colebatch at toyota.com.au]

Rick,

Thanks for the response, I was looking to avoid having to have two distinct
queries and have gone with the suggestion Mark offered.

cheers
dim





rick schochler <schochler3 at yahoo.com>@x-query.com on 31/07/2003 11:20:09 PM

Sent by:    talk-bounces at x-query.com


To:    Dmitri.Colebatch at toyota.com.au, talk at x-query.com
cc:
Subject:    Re: [xquery-talk] changing structure based on input value

Well, you could have two distinct queries on the set
of foobar docs, both looking similar.

The first one looking something like this:

<myoutput>
{
for $x in /foobar[child::abc/text() = '4']
return
  <value>{$x/xyz}</value>
}
</myoutput>

and the second one looking like this:

<somethingelse>
{
for $x in /foobar[child::abc/text() = '5']
return
             <value>{$x/xyz}</value>
}
</somethingelse>


Or, you could do a conditional test (you may have to
tweek this a bit):

for $x in /foobar/abc
return
  if($x = '4')
  then <myoutput><value>{$x}</value></myoutput>
  else
  if($x = '5')
 then <somethingelse><value>{$x}
</value></somethingelse>

Hope this helps,

Rick

--- Dmitri.Colebatch at toyota.com.au wrote:
> hey all,
>
> firstly, I'm new to this list, so if this has been
> discussed already could
> someone please point me at the appropriate archive
> (I did have a short look
> at them with no joy)..
>
> I want to select one document or another based on
> the content of my input
> document... I think this is better explained by
> example:
>
> given
>
>       <foobar>
>             <abc>4</abc>
>             <xyz>blah</xyz>
>       </foobar>
>
> I want to create
>
>       <myoutput>
>             <value>blah</value>
>       <myoutput>
>
> but based on
>
>       <foobar>
>             <abc>5</abc>
>             <xyz>blah</xyz>
>       </foobar>
>
> I want to create
>
>       <somethingelse>
>             <value>blah</value>
>       </somethingelse>
>
> Does this make sense?  I'm not sure if its possible
> or not.  Any pointers
> would be appreciated.  The closest thing I can think
> of is to use xpath to
> check the value, but I'm not sure how to completely
> change the structure
> based on that...
>
> cheers
> dim
>
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