Sorry I completely forgot about this thread.
I added a is_root property to my model to work around this problem.
I also discovered that a root node is one that is its own ancestor.
On Oct 27, 11:02 am, "Vincent L." <[EMAIL PROTECTED]> wrote:
> I have the same problem, did you find an answer ?
>
> On 10 oct, 21:04,Lakshmi<[EMAIL PROTECTED]> wrote:
>
> > Hello,
>
> > If we take the following example:
>
> > Comment
> > - post (reference to Post)
> > - text
> > - author
>
> > where comments that are responded to become parents of other comments,
> > how can I get only therootentities - comments that are not
> > responses?
>
> > Comment.gql("WHERE post=:post AND ANCESTOR IS None", post=<some_post>)
> > does not work. I get a "Invalid WHERE condition at symbol None"
> > error.
>
> > Thanks in advance
> >Lakshmi.
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