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On 03/02/12 09:26, Korey Calmettes wrote:
> I suppose some sort of power anomaly may have caused some miswriting on
> flash.

A bit could also have flipped without any writing happening.  While we
view our computer internals as a crisp collection of ones and zeroes they
are far more akin to a collection of leaky plumbing and it is impressive
that they do manage to keep the ones and zeroes straight so much of the time.

In any event I have been asking for per page checksums so that any bit
twiddling can be detected accurately and early, even if it comes at the
expense of performance and compatibility (hey, some data is that
important).  Finally expressed in the form of a feature request:

  http://www.sqlite.org/src/info/72b01a982a

Roger
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