[xquery-talk] XQuery question about accessing ancestor/parent nodes of return values

[Shannon Scott Shiflett]

I see the highlight :)

I think you want to do:

for $person in //Company/Person
where $person/Address/Zipcode = '12345'
return $person

On May 9, 2008, at 4:36 PM, Steve Taylor wrote:

> Hello all,
>
> I’m new to  XQuery and this XQuery mailing list and  I’m hoping  
> someone can help me answer a question that has been stumping me.
>
> I know how to use XQuery to find nodes that match a certain pattern,  
> but I need to find a way to pass back the parent nodes of the nodes  
> matching the pattern.
>
> For example , here is a small subset from my test XML document  
> (using completely made up names and addresses) and following that is  
> my Xquery. I highlighted the matching node tag for my XQuery for  
> easy identification:
>
>
> <?xml version="1.0"?>
> <Company>
>
> <Person>
> <Name>
>     <LastName>Smith</LastName>
>     <FirstName>Bob</FirstName>
>     <MiddleInitial></MiddleInitial>
> </Name>
> <Address>
>     <StreetAddress1>123 Elm St</StreetAddress1>
>     <StreetAddress2></StreetAddress2>
>     <City>Loganville</City>
>     <State>LA</State>
>     <Zipcode>12345</Zipcode>
> </Address>
> </Person>
>
> <Person>
> <Name>
>     <LastName>Jones</LastName>
>     <FirstName>Mike</FirstName>
>     <MiddleInitial>B</MiddleInitial>
> </Name>
> <Address>
>     <StreetAddress1>456 Maple St</StreetAddress1>
>     <StreetAddress2></StreetAddress2>
>     <City>Baston</City>
>     <State>LA</State>
>     <Zipcode>12378</Zipcode>
> </Address>
> </Person>
>
> </Company>
>
>
>
> I am trying to search the entire XML document using XQuery to return  
> all <Person> nodes with a <Zipcode> value of ‘12345’.  Here is my  
> XQuery command I created:
>
> for $address in //Company/Person/Address
> where $address/Zipcode = '12345'
> return $address
>
> This returns to me the following results:
>
> <Address>
>     <StreetAddress1>123 Elm St</StreetAddress1>
>     <StreetAddress2/>
>     <City>Loganville</City>
>     <State>LA</State>
>     <Zipcode>12345</Zipcode>
> </Address>
>
>
> The problem with the results above is that I need to return the  
> entire <Person> (including all sub-nodes) with the matching  
> <Zipcode> string, not just the person’s <Address> node since the  
> <Address> node alone does not tell me who is the matching person.  
> With the results I got back from the XQuery above I only get the  
> <Address> node, and I can’t seem to figure out how to return the  
> entire <Person> node. Here is the expected results I was hoping to  
> receive for this example:
>
> <Person>
> <Name>
>     <LastName>Smith</LastName>
>     <FirstName>Bob</FirstName>
>     <MiddleInitial></MiddleInitial>
> </Name>
> <Address>
>     <StreetAddress1>123 Elm St</StreetAddress1>
>     <StreetAddress2></StreetAddress2>
>     <City>Loganville</City>
>     <State>LA</State>
>     <Zipcode>12345</Zipcode>
> </Address>
> </Person>
>
> Does anybody know if it is possible to get the results I am looking  
> for? If so, please let me know the proper syntax to use for my  
> XQuery command.  I have looked everywhere for a solution and I can’t  
> seem to find anything.
>
> Thank you very much in advance,
> Steve Taylor
> sstaylo at comcast.net
>
>
>
> _______________________________________________
> talk at x-query.com
> http://x-query.com/mailman/listinfo/talk

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