You can't query on reference's property.
On Nov 1, 11:31 pm, "Rodrigo Lopes" <[EMAIL PROTECTED]> wrote:
> Hi there! I'm new to python and app engine, I need some help with this:
>
> *class* Profile (db.Model):
> name = db.StringProperty()
> backup_date = db.DateProperty()
>
> *class* BoxInfo (db.Model):
> source = db.TextProperty()
> index = db.IntegerProperty()
> profile= db.ReferenceProperty(Profile, collection_name='boxes')
>
> *How can I do this?*
> query = model.BoxInfo.all().filter("profile.backup_date =", None)
>
> *I have also tried this way, with no sucess:*
> query = db.GqlQuery("select * from BoxInfo where profile in (select * form
> Profile where backup_date = :1)", None)
>
> Which gives me:
> BadQueryError: Parse Error: Parameter list requires literal or reference
> parameter at symbol select
>
> Thanks
>
> --
> Rodrigo Lopes
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