Thanks! It works, they should have that simple example in
documentation :)
Tim Hoffman:
Well, I am using Java, so that won't work. I should have learned
Python probably :P
On Sep 3, 1:57 pm, "Nick Johnson (Google)" <nick.john...@google.com>
wrote:
> 2010/9/2 Paweł Gronkiewicz <pgronkiew...@gmail.com>
>
> > While we are at it, how do you query a key by it's name? I pretty much
> > need to check if entity exists for a given key name.
>
> Assuming the entity is a root entity:
>
> SELECT * FROM entity WHERE __key__ = KEY('entity', 'key name')
>
>
>
>
>
> > GQL documentation lacks examples and is really lacking, especially for
> > people with less experience.
>
> > On Sep 2, 8:48 pm, "Ikai L (Google)" <ika...@google.com> wrote:
> > > Try this:
>
> > > SELECT * FROM entity where __key__ = KEY('string-key')
>
> > > See the section about Keys here:
>
> > >http://code.google.com/appengine/docs/python/datastore/gqlreference.html
>
> > > On Thu, Sep 2, 2010 at 10:28 AM, John Gardner <hux...@gmail.com> wrote:
> > > > This is probably obvious, but:
> > > > I cannot for the life of me figure out how to fetch a known entity by
> > > > key in the viewer.
>
> > > > The GQL reference doesn't specify key syntax, since you can do a
> > > > db.get(key) from code.
>
> > > > I've tried:
> > > > SELECT * FROM entity where __key__ = "string-key"
> > > > SELECT * FROM entity where entity.__key__ = "string-key"
> > > > SELECT * FROM entity where entity.key = "string-key"
> > > > SELECT * FROM entity where entity = "string-key"
> > > > and the same without quotes.
>
> > > > This really should be easier, I think.
>
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