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On 10/29/2010 11:50 PM, zhangzhenggui wrote:
> If sqlite also provide SQL to do this, it will bring more convenience for 
> some 
> scenarios, 

The problem is that the backup process can return busy/locked errors.
With C code you can then decide what to do (eg sleep, retry, give up
after however many retries etc).  That is hard to express in SQL.

> such as pysqlite in python.

APSW has had the functionality since SQLite introduced it.  pysqlite had
it added to the development code this week.

  http://groups.google.com/group/python-sqlite

Roger
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