Thanks for the explanation Barry. Phil, it sounds like you are talking about
the local datastore. Can you clarify?

--
Ikai Lan
Developer Programs Engineer, Google App Engine
plus.ikailan.com | twitter.com/ikai



On Fri, Oct 28, 2011 at 3:29 AM, Barry Hunter <[email protected]>wrote:

> That doesn't even make sense
>
> The Datastore has no concept of 'table'.
>
> All Entities - regardless of their kind- are stored in one 'bigtable'
> - they are all intermingled. In fact all Entities from everyone's apps
> are stored in the same bigtable.
>
> So to delete a 'table' - which is really just all entities of a given
> kind for a given app - would need to loop though and delete each
> individual entity. Once there are no entities of a given kind/model
> left, the 'kind' has effectively been dropped.
>
>
> I would guess need to check you aren't somehow using the application
> version in the Kind name or even the key?. Then when the application
> is updated, the version changes and therefore the old entities become
> inaccessible.
>
>
>
>
>
> On Thu, Oct 27, 2011 at 10:17 PM, Phil McDonnell
> <[email protected]> wrote:
> > Twice now a deploy has cleared several of the data tables in my deployed
> > datastore.  Does anyone know what causes this?  The symptoms both times
> are
> > consistent.  I do a deploy and the datastore drops several of the tables.
> >  Strangely, one very old (and generally unused) table is not dropped and
> my
> > blob data is still there.  Is this dropping of data/tables  on deploy a
> > known "feature" that I'm somehow not understanding?  Note, this does not
> > happen on every deploy.
> > We are still pre-launch, but I'm extremely concerned that this could
> happen
> > when we are live.  If we drop our data when we are live it would cost us
> a
> > lot of money.
> > Thanks so much,
> > Phil
> >
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