I'm using JDO to connect to the datastore and wondering how I should design
my tables. I have users who sign up. Users have items. In the RDMS world
I'd have a User table and a Items table and the Items table would have a
field of user_id which would join with a primary key in the User table.
H
Hi,
See my answer to your question on Stack Overflow:
http://stackoverflow.com/questions/2662212/database-design-in-google-app-engine/2663049#2663049
In general, please refrain from cross-posting here and on SO, unless you've
posted to one and haven't received any satisfactory answers after a
rea
How about updating all ancestors on task status change? That way you
wouldn't need to find all the children.
On Sun, Apr 18, 2010 at 2:29 PM, gops wrote:
> hi , i am designing a simple project based to do list. the idea is to
> define tasks under project ( no workflow - just "task is completed"
hi , i am designing a simple project based to do list. the idea is to
define tasks under project ( no workflow - just "task is completed" or
not is required. ) in a hirarchial way. i.e. each task has multiple
task and that task may have other multiple task. a project can be said
to be completed if
I'm using the AppEnginePatch to get a fairly useful Django
implementation. The problem I've run into is that parent/child/
ancestor relationships aren't well supported. I've found a less than
pretty workaround for the moment.
The link to this discussion is
http://groups.google.com/group/app-eng
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
I'm looking for some high level ideas on how to design a datastore for
a Facebook application.
In this app a user can collect widgets.
I'd like to be able to show a user lists of the widgets owned by their
friends - something like:
q = db.GqlQuery("SELECT * FROM Widget WHERE owner IN ( )
and "
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