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Uploading Data from the Datastore
The point is this. There is a java application that uses the datastore from GAE via remote_api. It is necessary to pull out data from the datastore in batches. JDO and JPA are not used. The problem with how to implement withOffset(5) is normal, because "withOffset(5)" just throws 5 elements out of the selection, but still drags those five elements.
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At first glance, there are two ideas:
1. If you can limit the query to some value, for example, WHERE id > 0 AND id <= 1000 ORDER BY id
2. Look at backup/restore , perhaps through it you can do
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