So there is no default way to order by 'ID"?
On Fri, Oct 17, 2008 at 7:53 AM, djidjadji <[EMAIL PROTECTED]> wrote:
>
> > but in the data base how can i store unique number which should
> > incremented.
> In the datastore create an object with only an IntegerProperty (counter).
> It has a method that increments the value of the counter with an
> transaction and returns
> the previous value. Parameters for the transaction is the Key of the
> count object, do not pass
> the object, You can give the object a key_name and use
> counter = CountClass.get_by_key_name(keyname)
> inside the transaction
>
> > Please help me i am not able to Fetch data using where clause.
> Always use parameters in the WHERE clause.
>
> MyModel.gql("WHERE prop = :1", propval).fetch(100)
>
>
> 2008/10/16 Gampesh <[EMAIL PROTECTED]>:
> >
> > Hi,
> >
> > I am new in google app engine and Gql as well.
> >
> > i have made class as follows:
> >
> > class MyBooks(db.Model):
> > book_id=db.IntegerProperty(name='key')
> > author = db.StringProperty(multiline=True)
> > book_name = db.StringProperty(multiline=True)
> > price = db.IntegerProperty()
> > date = db.DateTimeProperty(auto_now_add=True)
> >
> > but in the data base how can i store unique number which should
> > incremented.
> >
> > table structure in Gql after run the app is
> >
> > "ID/Name author book_id book_name date key
> price" and we have
> > made only "author book_id book_name date price"
> only. Then why
> > "ID/Name and key " field are made automatically. Also i am not able to
> > use "ID/Name" in Gql query's where class like "WHERE ID/Name = '1' "
> >
> >
> > Please help me i am not able to Fetch data using where clause.
> >
> >
> >
> > Thanks,
> > Gampesh
> >
> > >
> >
>
> >
>
--
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