Just a note, if you only want to delete entities you do not even need
to fetch them first.  Just generate a list of keys and pass them to
delete.

keys_to_delete = [Key('MyModel', i) for i in xrange(10)]
db.delete(keys_to_delete)

That will save you a fetch, improving performance quite a bit.


Robert








On Thu, Aug 19, 2010 at 03:51, TZ <[email protected]> wrote:
> Thank you!. It works with "WHERE __key__ = Key('board_topic_entry',
> 20)".
>
> :-)
>
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