Key to str conversion is not revertible.
On Dec 22, 5:09 pm, Shay Ben Dov <[email protected]> wrote:
> Hi this is the issue
>
> I have a Transaction model
>
> I do:
> transaction=Transaction(....)
> transaction.put()
>
> tr_key = str(transaction.key())
>
> I want to store it in a second mode
>
> class Tag(db.Model):
>
> transaction = db.Key(encoded=None)
> tag = db.StringProperty(required=True)
> user = db.UserProperty(required=True)
>
> I do:
>
> tag = Tag(transaction=tr_key,....)
> tag.put()
>
> later on in the application I retrieve the tag entity and I want to
> get the transaction back
>
> I do:
> tr_key = tag.transaction
> transaction = Transaction.get(tr_key)
>
> and I get an error message:
> BadKeyError: Key datastore_types.Key.from_path(_app=u'') is not
> complete.
>
> Every help or example is very appreciated.
>
> Thanks,
>
> Shay
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