On Thu, Sep 17, 2009 at 9:27 PM, Blake HAN <[email protected]> wrote:

> My God~ I already had more than 2Million data in the datastore...

Set up a task queue to go tally them in batches.

> BTW, if I want to show the total number of a query with filter, how to get
> the total row number?

Slap .count() on the end of your query. That doesn't scale well,
either. You should add separate counters for these.


Dave.

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