If you're requesting logs, you can use this flag:
-n NUM_DAYS, --num_days=NUM_DAYS
Number of days worth of log data to get. The cut-off
point is midnight UTC. Use 0 to get all available
logs. Default is 1, unless --append is also given;
then the default is 0.
Type appcfg.py help request_logs for all the details.
Otherwise, there's no functionality for incremental data from the datastore.
The reason for this is that persisted entities are not immutable; we'd have
to keep track of everything that has changed. One way you can implement this
is to persist the entity twice in a different EntityType, then export and
clear.
On Tue, Nov 24, 2009 at 2:00 AM, hyun <[email protected]> wrote:
> Hi,
>
> I wonder if it is possible to download the added data (incremental
> download) using
>
> appcfg.py download_data ...
>
> The time log data of my service is very big now. So whenever I have
> to download the time log, it takes long because it downloads the full
> data every time. So I'd like to download just the data newly added.
>
> Thanks,
>
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>
>
--
Ikai Lan
Developer Programs Engineer, Google App Engine
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