I would like to see how this code looks as well please
On Feb 1, 5:48 pm, Robin B <robi...@gmail.com> wrote:
> This should work for left joins too because batch get returns None
> when an id does not exist.
>
> http://code.google.com/appengine/docs/python/datastore/functions.html
>
> 1000 results/query, 30 queries/request = 30,000 results/request max
> using queries
>
> I have not seen a limit for results/batch_get so using batch get could
> allow ++30,000 results/request
>
> You have to process everything in under 10 sec else your HTTP request
> will time out.
>
> GAE will be announcing cron very soon, so long running tasks will be
> here shortly.
>
> Robin
>
> On Feb 1, 11:29 am, mdipierro <mdipie...@cs.depaul.edu> wrote:
>
> > Can you send me a patch! this would be great!
>
> > On Feb 1, 10:58 am, Robin B <robi...@gmail.com> wrote:
>
> > > This is an example from the web2py book:
>
> > > 1 >>> rows=db(db.person.id==db.dog.owner).select()
> > > 2 >>> for row in rows: print row.person.name, 'has', row.dog.name
> > > 3 Alex has Skipper
> > > 4 Alex has Snoopy
> > > 5 Bob has Puppy
>
> > > This 1 level inner join will be able to be performed on GAE
> > > efficiently using batch get, so long as you are joining on a primary
> > > key (id).
>
> > > Joins on GAE!
>
> > > Robin
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