Hello,

I hoped that somebody already tried to implement a nearest neighbor algorithm. 
Is the format of the shadow tables somewhere documented or do I have to analyze 
the source code?

Regards,
Hartwig

Am 22.08.2014 um 02:58 schrieb Richard Hipp <d...@sqlite.org>:

> On Thu, Aug 21, 2014 at 8:54 PM, Peter Aronson <pbaron...@att.net> wrote:
> 
>>        1. You would need to access SQLite's R-Tree "shadow" tables
>> (xx_node, xx_parent, xx_rowid) directly in to perform the traversals
>> required by all of the algorithms -- I don't know if this is officially
>> supported by SQLite's developers, or if these tables are guaranteed not to
>> change;
>> 
> 
> The format of the shadow tables will not change in ways that would break
> older versions of SQLite.
> 
> -- 
> D. Richard Hipp
> d...@sqlite.org
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> sqlite-users@sqlite.org
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