Hi,
A small correction in the solution above,
phrase = Phrases.get_by_id(2)
# or
phrase = Phrases.get_by_key_name('my_key_2')
phraseContent = 'typing a longer phrase'
#Correction
#phraseContent.put()
phrase.phraseContent = phraseContent
phrase.put()
or
phrase.phraseContent = 'typing a longer phrase'
phrase.put()
Thanks,
Arun Shanker Prasad.
On Apr 5, 4:08 am, djidjadji <[email protected]> wrote:
> If you don't have a primary key in your object model you should use key_names.
> Don't rely on the object ID's that are given.
>
> To update an object in the datastore you first retrieve it with a query.
> Change the members of the object.
> and put the object back
>
> phrase = Phrases.get_by_id(2)
> # or
> phrase = Phrases.get_by_key_name('my_key_2')
>
> phraseContent = 'typing a longer phrase'
> phraseContent.put()
>
> 2009/4/4 Larkin2 <[email protected]>:
>
>
>
>
>
> > I've been reviewing the example provided here:
> >http://code.google.com/appengine/kb/commontasks.html#updatein regards
> > to updating a record in my DB.
>
> > I have the following DB model
>
> > class Phrases(db.Model,):
> > phraseContent = db.StringProperty(multiline=True)
>
> > Assuming the following records exist
>
> > ID | phraseContent
> > ---------------------------
> > 1 | before a window
> > 2 | typing a phrase
> > 3 } into a computer
>
> > How would I update #2 to read: 'typing a longer phrase'
>
> > without creating a new record all together?
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