could someone from Google weigh in on this? thanks, Viktor
On Jan 6, 12:43 pm, phraktle <[email protected]> wrote: > Hi, > > I'm using the low-level DS API, thus short names for kinds, etc, and > my keys are already quite compact. The encoded version is in fact > significantly longer than my ownkey. So it would optimal, if DS did > not try to second-guess and bloat my PKs. How do you know that DS > doesn't actually store both versions? Do you know how to decode the DSkey? > > Regards, > Viktor > > On Jan 5, 5:54 am, jd <[email protected]> wrote: > > > > > The encoded "EntityKey" is a representation that includes yourkey > > name, entity kind, ancestors and app id - encoded into a form that is > > safe to use in urls etc. Keeping your keys small and kinds small > > (i.e. using short class names) will reduce storage space of keys in > > the DS. In Twig (i.e. not JDO) you can keep the names of your classes > > as you like and then override typetoKind(Type) to return abbreviated > > names. I found that this saves a significant amount of space in my > > app that has many relations between entities. > > >http://code.google.com/p/twig-persist/ > > > On Jan 4, 5:01 pm, phraktle <[email protected]> wrote: > > > > Hi, > > > > I'm generating my own entity keys, with new Entity("Foo", "myId"). I > > > noticed that in the DataStore viewer, these entities still seem to > > > have a defaultkey: > > > > Decoded entitykey: Foo: name=myId > > > Entitykey: > > > ahFzY2FyYWJyZWNvbW1lbmRlcnJACxIVUHJvZHVjdFJlY29tbWVuZGF0aW9uIiU1OTg1MEMzMzM > > > wOUZGRjV8MjAxMDAxMDQwMTAzNTN8cHJvZF8wDA > > > > So the "Entitykey" here still seems to be generated by GAE. Why is > > > this needed? I do have a primarykeyalready. So does it get stored as > > > simply another indexed column? Does this impact storage space too? I > > > don't need the GAE entitykeyat all, and would prefer not having to > > > pay for its storage either :) > > > > Thanks, > > > Viktor
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