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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) < [email protected]> wrote: > 2010/9/2 Paweł Gronkiewicz <[email protected]> > >> 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)" <[email protected]> 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 <[email protected]> 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 >> [email protected]. >> > > To unsubscribe from this group, send email to >> > > [email protected]<google-appengine%[email protected]> >> <google-appengine%[email protected]<google-appengine%[email protected]> >> > >> > > . >> > > 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 [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<google-appengine%[email protected]> >> . >> 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine%[email protected]> > . > 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
