Hi,

You can use the <updated> element, but only to query one Contact each
time because a Batch Query need the contact's ID, for example:

<?xml version='1.0' encoding='UTF-8'?>
<feed xmlns='http://www.w3.org/2005/Atom' xmlns:gContact='http://
schemas.google.com/contact/2008' xmlns:gd='http://schemas.google.com/g/
2005' xmlns:batch='http://schemas.google.com/gdata/batch'>
  <entry>
    <batch:operation type='query' />
    <id>http://www.google.com/m8/feeds/contacts/user\%40domain.com/
full/397fb58e8b9eb8ee/1242812330177000</id>
    <updated>2009-05-20T09:38:50.177Z</updated>
  </entry>
</feed>

To retrieve all contacts you would need to use the regular feed
instead of the batch.

--Julian

On May 19, 1:17 pm, Test SCF <[email protected]> wrote:
> Thanks Julian,
> One another question is that while retrieving the contacts using query
> parameters I found in the Contacts API reference guide like this:
>
> GEThttp://www.google.com/m8/feeds/contacts/liz%40gmail.com/full?updated-...
>
> So in the URL we will pass the updated-min parameter to get the last updated
> contacts as per the date time.Similarly what is the procedure for getting
> the
> last updated events using batch operation especially using <batch:operation
> type='query' />   through POST method?
> What will be the URL given? How will be the Request and related Response ?
>
> Regards,
> Test.
>
> On Mon, May 18, 2009 at 9:21 PM, Julian (Google) <[email protected]> wrote:
>
> > Hi,
>
> > Usually there are not big changes on the feeds, but changes like this
> > one could eventually happen. We'll try to post about changes in
> > advance.
>
> > Thanks,
> > Julian.
>
> > On May 15, 4:18 pm, Test SCF <[email protected]> wrote:
> > > Hi
> > >    Yes sure. Here I have shown the Response getting below that is missing
> > > the links.
> > >     I have highlighted the missing link
>
> > -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > <?xml version='1.0' encoding='UTF-8'?><atom:feed xmlns:atom='
> >http://www.w3.org/2005/Atom'xmlns:openSearch='http://a9.com/-/spec/op...
> > '>
> > > <atom:id>
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/full
> > > </atom:id>
> > > <atom:updated>2009-05-15T08:09:11.074Z</atom:updated>
> > > <atom:title type='text'>Batch Feed</atom:title>
> > > <atom:link rel='http://schemas.google.com/g/2005#feed'
> > > type='application/atom+xml' href='
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/fu...>
>
> > > <!-- here <atom:link rel=http://schemas.google.com/g/2005#post> is
> > missing.
> > > -->
>
> > > <atom:link rel='http://schemas.google.com/g/2005#batch'
> > > type='application/atom+xml' href='
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/fu...
>
> > > <atom:entry>
> > > <atom:id>
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/ba...
> > > </atom:id>
> > > <atom:updated>2009-05-15T08:09:11.062Z</atom:updated>
> > > <atom:category scheme='
> >http://schemas.google.com/g/2005#kind'term='http://schemas.google.com...
>
> > > <atom:title type='text'>TEST</atom:title>
> > > <atom:link rel='http://schemas.google.com/contacts/2008/rel#edit-photo'
> > > type='image/*' href='
> >http://www.google.com/m8/feeds/photos/media/test.gcontacts%40gmail.co...
>
> > > <atom:link rel='self' type='application/atom+xml' href='
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/fu...
>
> > > <atom:link rel='edit' type='application/atom+xml' href='
> >http://www.google.com/m8/feeds/contacts/test.gcontacts%40gmail.com/fu...
>
> > > <batch:status code='201' reason='Created'/>
> > > <batch:operation type='insert'/>
> > > </atom:entry>
> > > </atom:feed>
>
> > --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> > > On Fri, May 15, 2009 at 8:35 PM, Julian (Google) <[email protected]>
> > wrote:
>
> > > > Hi,
>
> > > > I am not able to reproduce exactly the error you describe, please if
> > > > possible post also the other Response that is missing the links
> > > > relations.
>
> > > > Thanks,
> > > > Julian.
>
> > > > On May 15, 9:51 am, Test <[email protected]> wrote:
> > > > > Hi all,
>
> > > > >    My question is that while doing the batch operation in Google as
> > > > > XML request and response, whether the response will change after some
> > > > > days?
> > > > >    I have done a batch operation for insert.Below is the request and
> > > > > the corresponding response I was getting till yesterday.
>
> > > > > REQUEST
> > > > > ----------------------------------------------------
> > > > > <?xml version='1.0' encoding='UTF-8'?>
> > > > > <feed xmlns='http://www.w3.org/2005/Atom'
> > > > >       xmlns:gContact='http://schemas.google.com/contact/2008'
> > > > >       xmlns:gd='http://schemas.google.com/g/2005'
> > > > >       xmlns:batch='http://schemas.google.com/gdata/batch'>
> > > > >   <category scheme='http://schemas.google.com/g/2005#kind'
> > > > > term='http://schemas.google.com/g/2008#contact'/>
> > > > >  <entry>
> > > > >                 <batch:operation type='insert' />
> > > > >                 <category scheme='
> >http://schemas.google.com/g/2005#kind'
> > > > >                         term='
> >http://schemas.google.com/g/2008#contact'/
>
> > > > >                 <title type='text'>TEST</title>
> > > > >         </entry>
> > > > > </feed>
>
> > -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> > > > > RESPONSE
>
> > ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> > > > > <atom:feed xmlns:batch="http://schemas.google.com/gdata/batch";
> > > > > xmlns:gContact="http://schemas.google.com/contact/2008";
> > > > > xmlns:atom="http://www.w3.org/2005/Atom"; xmlns:gd="http://
> > > > > schemas.google.com/g/2005" xmlns:openSearch="http://a9.com/-/spec/
> > > > > opensearchrss/1.0/">
> > > > >   <atom:id></atom:id>
> > > > >   <atom:updated></atom:updated>
> > > > >   <atom:title type="text">Batch Feed</atom:title>
> > > > >   <atom:link rel="http://schemas.google.com/g/2005#feed";
> > > > > type="application/atom+xml" href="http://www.google.com/m8/feeds/
> > > > > contacts/test.scf%40gmail.com/full"/>
> > > > > <atom:link rel='http://schemas.google.com/g/2005#post'
> > > > > type='application/atom+xml' href='http://www.google.com/m8/feeds/
> > > > > contacts/test.scf%40gmail.com/full'/>
> > > > >   <atom:link rel="http://schemas.google.com/g/2005#batch";
> > > > > type="application/atom+xml" href="http://www.google.com/m8/feeds/
> > > > > contacts/test.scf%40gmail.com/full/batch"/>
> > > > >   <atom:entry>
> > > > >     <atom:id></atom:id>
> > > > >     <atom:updated></atom:updated>
> > > > >     <atom:category scheme="http://schemas.google.com/g/2005#kind";
> > > > > term="http://schemas.google.com/contact/2008#contact"/>
> > > > >     <atom:title type="text">TEST</atom:title>
> > > > >     <atom:link rel="
> >http://schemas.google.com/contacts/2008/rel#edit-
> > > > > photo" type="image/*" href="http://www.google.com/m8/feeds/photos/
> > > > > media/test.scf%40gmail.com/18117d8c89228896/1B2M2Y8AsgTpgAmY7PhCfg
> > "/>
> > > > >     <atom:link rel="self" type="application/atom+xml" href="
>
> >http://www.google.com/m8/feeds/contacts/test.scf%40gmail.com/full/181.....
> > > > ."/>
> > > > >     <atom:link rel="edit" type="application/atom+xml" href="
>
> >http://www.google.com/m8/feeds/contacts/test.scf%40gmail.com/full/181.....
> > > > ."/>
> > > > >     <batch:status reason="Created" code="201"/>
> > > > >     <batch:operation type="insert"/>
> > > > >   </atom:entry>
> > > > > </atom:feed>
>
> > --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> > > > > You will be seeing 3 <atom:link> tags for #feed,#post,#batch after
> > > > > <atom:title type="text">Batch Feed</atom:title> tags here.
>
> > > > > But Today I am not getting the entire line containing the <atom:link
> > > > > rel='http://schemas.google.com/g/2005#post> in my response though
> > the
> > > > > contact is getting inserted into google..It would be a tough task if
> > > > > the response is getting changed from time to time for the same
> > > > > request.
> > > > >  Can anybody check on this issue?
>
> > > > > Thanks,
> > > > > Test
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