hi

you may upload your error with video details on

http://pmedia4u.com

its free and provide you 1GB limits






Ehsan-ul-haq


On Fri, Sep 3, 2010 at 4:57 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.
>> >
>> > > --
>>
>> > > You received this message because you are subscribed to the Google
>> Groups
>> > > "Google App Engine" group.
>> > > To post to this group, send email to
>> google-appeng...@googlegroups.com.
>> > > To unsubscribe from this group, send email to
>> > > google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com>
>> <google-appengine%2bunsubscr...@googlegroups.com<google-appengine%252bunsubscr...@googlegroups.com>
>> >
>> > > .
>> > > For more options, visit this group at
>> > >http://groups.google.com/group/google-appengine?hl=en.
>> >
>> > --
>> > Ikai Lan
>> > Developer Programs Engineer, Google App Engine
>> > Blog:http://googleappengine.blogspot.com
>> > Twitter:http://twitter.com/app_engine
>> > Reddit:http://www.reddit.com/r/appengine
>>
>> --
>>
>> You received this message because you are subscribed to the Google Groups
>> "Google App Engine" group.
>> To post to this group, send email to google-appeng...@googlegroups.com.
>> To unsubscribe from this group, send email to
>> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com>
>> .
>> For more options, visit this group at
>> http://groups.google.com/group/google-appengine?hl=en.
>>
>>
>
>
> --
> Nick Johnson, Developer Programs Engineer, App Engine Google Ireland Ltd.
> :: Registered in Dublin, Ireland, Registration Number: 368047
> Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number:
> 368047
>
>  --
> You received this message because you are subscribed to the Google Groups
> "Google App Engine" group.
> To post to this group, send email to google-appeng...@googlegroups.com.
> To unsubscribe from this group, send email to
> google-appengine+unsubscr...@googlegroups.com<google-appengine%2bunsubscr...@googlegroups.com>
> .
> For more options, visit this group at
> http://groups.google.com/group/google-appengine?hl=en.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Google App Engine" group.
To post to this group, send email to google-appeng...@googlegroups.com.
To unsubscribe from this group, send email to 
google-appengine+unsubscr...@googlegroups.com.
For more options, visit this group at 
http://groups.google.com/group/google-appengine?hl=en.

Reply via email to